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Author SHA1 Message Date
Andrew Gerrand
394b383a1e [release-branch.r60] doc: document release.r60.3
««« CL 5267049 / eeca0d4a91a3
doc: document release.r60.3

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/5267049
»»»

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/5296041
2011-10-18 10:55:12 +11:00
Russ Cox
b9e10a3217 [release-branch.r60] reflect: disallow Interface method on Value obtained via unexported name
exp/datafmt is incompatible with this change, so delete it.
It was scheduled for deletion soon anyway.

««« CL 5266054 / f798c2579fbd
reflect: disallow Interface method on Value obtained via unexported name

Had been allowing it for use by fmt, but it is too hard to lock down.
Fix other packages not to depend on it.

R=r, r
CC=golang-dev
https://golang.org/cl/5266054
»»»

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5286051
2011-10-17 19:01:28 -04:00
Andrew Gerrand
6c4e7f4b68 [release-branch.r60] doc: document r60.2
««« CL 5204041 / 1fb56f387a76
doc: document r60.2

R=rsc, dsymonds
CC=golang-dev
https://golang.org/cl/5204041
»»»

R=bradfitz
CC=golang-dev
https://golang.org/cl/5204043
2011-10-05 14:23:39 -07:00
Andrew Gerrand
609de85973 [release-branch.r60] doc: link to A Tour of Go
««« CL 5181045 / bc48691295c8
doc: link to A Tour of Go

R=golang-dev, rsc, r
CC=golang-dev
https://golang.org/cl/5181045
»»»

R=dsymonds
CC=golang-dev
https://golang.org/cl/5203041
2011-10-05 13:33:48 -07:00
Andrew Gerrand
60000444b8 [release-branch.r60] doc: update tutorial.
««« CL 5175052 / e144a6dec55e
doc: update tutorial.
Fix for new regexp library ($ isn't end of line any more).
Don't assume . is in PATH.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/5175052
»»»

R=dsymonds
CC=golang-dev
https://golang.org/cl/5199042
2011-10-05 13:29:59 -07:00
Andrew Gerrand
31c829af98 [release-branch.r60] documentation: Debugging Go code with GDB tutorial.
««« CL 5168046 / 320d83ed794a
documentation: Debugging Go code with GDB tutorial.

R=adg, cw, lvd
CC=golang-dev
https://golang.org/cl/5168046

»»»

R=dsymonds
CC=golang-dev
https://golang.org/cl/5172053
2011-10-05 13:28:08 -07:00
Andrew Gerrand
efcce1bedd [release-branch.r60] doc: link to image/draw blog post.
««« CL 5154046 / 087a4bd61f20
doc: link to image/draw blog post.

R=adg
TBR=adg
CC=golang-dev
https://golang.org/cl/5154046
»»»

R=dsymonds
CC=golang-dev
https://golang.org/cl/5202041
2011-10-05 13:25:52 -07:00
Andrew Gerrand
246c2fb736 [release-branch.r60] doc: link to image blog post
««« CL 5086048 / 09032e16d47c
doc: link to image blog post

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5086048
»»»

R=dsymonds
CC=golang-dev
https://golang.org/cl/5201041
2011-10-05 13:18:41 -07:00
Russ Cox
af68419ab2 [release-branch.r60] runtime: fix map memory leak
««« CL 5158045 / aaf8ddb0c780
runtime: fix map memory leak

The map implementation was using the C idiom of using
a pointer just past the end of its table as a limit pointer.
Unfortunately, the garbage collector sees that pointer as
pointing at the block adjacent to the map table, pinning
in memory a block that would otherwise be freed.

Fix by making limit pointer point at last valid entry, not
just past it.

Reviewed by Mike Burrows.

R=golang-dev, bradfitz, lvd, r
CC=golang-dev
https://golang.org/cl/5158045
»»»

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/5169047
2011-10-03 13:34:24 -04:00
Andrew Gerrand
4af7136fcf [release-branch.r60] doc: update release.r60.1 notes
««« CL 5045045 / d101b482f64e
doc: update release.r60.1 notes

R=dsymonds
CC=golang-dev
https://golang.org/cl/5045045
»»»

R=dsymonds
CC=golang-dev
https://golang.org/cl/5063041
2011-09-19 12:32:07 +10:00
Andrew Gerrand
88102c4d10 [release-branch.r60] json: add struct tag option to wrap literals in strings
««« CL 4918051 / ba6daf799367
json: add struct tag option to wrap literals in strings

Since JavaScript doesn't have [u]int64 types, some JSON APIs
encode such types as strings to avoid losing precision.

This adds a new struct tag option ",string" to cause
fields to be wrapped in JSON strings on encoding
and unwrapped from strings when decoding.

R=rsc, gustavo
CC=golang-dev
https://golang.org/cl/4918051
»»»

R=dsymonds
CC=golang-dev
https://golang.org/cl/5049043
2011-09-19 11:59:19 +10:00
Andrew Gerrand
ab046b2afa [release-branch.r60] json: fix decode bug with struct tag names with ,opts being ignored
««« CL 4965049 / f8e4df3c4048
json: fix decode bug with struct tag names with ,opts being ignored

When the encoder was updated to respect the ",omitempty"
struct tag options, the decoder half was never updated to know
about the new struct tag format. (the format is now an optional
name, followed by zero or more ",option" strings)

This only affected people who used ",omitempty" along with
a field name. In that case, the serialized JSON wouldn't
decode to the original value.

R=golang-dev, dvyukov
CC=golang-dev
https://golang.org/cl/4965049
»»»

R=dsymonds
CC=golang-dev
https://golang.org/cl/5029043
2011-09-19 11:54:29 +10:00
Andrew Gerrand
37a9064879 [release-branch.r60] doc: release.r60.1
««« CL 5002041 / d21944c38c39
doc: release.r60.1

R=r
CC=golang-dev
https://golang.org/cl/5002041
»»»

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/5019044
2011-09-15 21:32:34 +10:00
Andrew Gerrand
070fc85831 [release-branch.r60] doc: link to notable blog posts
««« CL 4996041 / f6fdb6a54203
doc: link to notable blog posts

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/4996041
»»»

R=dsymonds
CC=golang-dev
https://golang.org/cl/4969081
2011-09-13 14:52:58 +10:00
Andrew Gerrand
8b8e079462 [release-branch.r60] misc/goplay: another template fix
««« CL 4950063 / 775543b0795c
misc/goplay: another template fix

Fixes #2219.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4950063
»»»

R=dsymonds
CC=golang-dev
https://golang.org/cl/5000041
2011-09-13 14:45:37 +10:00
Andrew Gerrand
728eb92503 [release-branch.r60] misc/goplay: Fix template output
««« CL 4960052 / da491846e511
misc/goplay: Fix template output

Fixes #2219.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/4960052
»»»

R=dsymonds
CC=golang-dev
https://golang.org/cl/4960067
2011-09-13 14:43:18 +10:00
Andrew Gerrand
50026d415b [release-branch.r60] ld: grow dwarf includestack on demand.
««« CL 4988048 / c0abe3f34cec
ld: grow dwarf includestack on demand.

Fixes #2241
while not breaking issue 1878 again.

R=rsc
CC=golang-dev
https://golang.org/cl/4988048
»»»

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4973075
2011-09-12 10:20:04 +10:00
Andrew Gerrand
5464bfebe7 [release-branch.r60] doc: release.r60
««« CL 4981047 / c0fea223bc90
doc: release.r60

R=dsymonds, r, rsc
CC=golang-dev
https://golang.org/cl/4981047
»»»

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4961072
2011-09-08 12:16:42 +10:00
Andrew Gerrand
8b228654d0 [release-branch.r60] template: indirect or dereference function arguments if necessary to match the type of the formal.
««« CL 4967056 / a163a464ef59
template: indirect or dereference function arguments if necessary to match the type of the formal.
Fixes #2235

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4967056
»»»

R=dsymonds
CC=golang-dev
https://golang.org/cl/4992043
2011-09-08 11:15:38 +10:00
Andrew Gerrand
2800956682 [release-branch.r60] template: fix deadlock.
««« CL 4963054 / c581abafc917
template: fix deadlock.
No need for lexInsideAction to loop.
Fixes #2217.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/4963054
»»»

R=dsymonds
CC=golang-dev
https://golang.org/cl/4974068
2011-09-08 11:12:11 +10:00
Andrew Gerrand
1adba86fdd [release-branch.r60] template: range over channel
««« CL 4951046 / 379452c085ab
template: range over channel

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4951046
»»»

R=dsymonds
CC=golang-dev
https://golang.org/cl/4983052
2011-09-08 11:06:22 +10:00
Andrew Gerrand
dda8180c96 [release-branch.r60] template: Grammar fix for template documentation.
««« CL 4944043 / 6577cd4b870f
template: Grammar fix for template documentation.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4944043

»»»

R=dsymonds
CC=golang-dev
https://golang.org/cl/4978058
2011-09-08 11:02:39 +10:00
Andrew Gerrand
1fc3d23ca0 [release-branch.r60] exp/template: remove else and end nodes from public view.
««« CL 4905052 / 508513bbf607
exp/template: remove else and end nodes from public view.
They are used internally and do not appear in the final parse tree.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4905052
»»»

R=dsymonds
CC=golang-dev
https://golang.org/cl/4951069
2011-09-08 10:59:11 +10:00
Andrew Gerrand
b8f72d6110 [release-branch.r60] gc: fix pc/line table
««« CL 4938042 / 5671737303a0
gc: fix pc/line table

When a line directive was encountered we would push a new 'z' entry into
the history to indicate the start of new file attributation, and a 'Z'
entry to change line numbering.  However we didn't pop the 'z' entry, so
we were actually corrupting the history stack.  The most obvious
occurance of this was in the code that build the symbol tables for the
DWARF information - where an internal stack in the linker would overflow
when more than a few line directives were encountered in a single stack
(Issue 1878).  So now we pop the 'z' entry when we encounter the end of
the file that the directive was in, which maintains the history stack
integrity.

Also, although new 'z' entries for new files had relative paths
expanded, the same was not done for line directives.  Now we do it for
line directives also - so that the now correct DWARF information has the
full path available.

Fixes #1878.

R=rsc
CC=golang-dev
https://golang.org/cl/4938042

»»»

R=golang-dev
CC=golang-dev
https://golang.org/cl/4973069
2011-09-08 10:55:54 +10:00
Andrew Gerrand
616801951b [release-branch.r60] gofix: do not convert url in field names
««« CL 4972052 / 0f7a647510f9
gofix: do not convert url in field names

There's some ambiguity in the U{url: url} case as it could be
both a map or a struct literal, but given context it's more
likely a struct, so U{url: url_} rather than U{url_: url_}.
At least that was the case for me.

R=golang-dev, rsc, adg
CC=golang-dev
https://golang.org/cl/4972052
»»»

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4962058
2011-09-08 10:52:28 +10:00
Andrew Gerrand
e84d4effa1 [release-branch.r60] gofix: forgot to rename the URL type
««« CL 4952041 / c51a2f3f897a
gofix: forgot to rename the URL type
Fixes #2182

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/4952041
»»»

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4951068
2011-09-08 10:51:09 +10:00
Andrew Gerrand
d28f559503 [release-branch.r60] gofix: osopen: fixed=true when changing O_CREAT
««« CL 4921047 / 15cefddbe963
gofix: osopen: fixed=true when changing O_CREAT

R=rsc, r
CC=golang-dev
https://golang.org/cl/4921047

»»»

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4961071
2011-09-08 10:49:40 +10:00
Andrew Gerrand
f7e76c75f1 [release-branch.r60] goinstall: select the tag that is closest to runtime.Version
««« CL 4873057 / db63f3a1f992
goinstall: select the tag that is closest to runtime.Version

release.r50 looks for newest tag <= go.r50
weekly.2010-10-10 looks for newest tag <= go.2010-10-10

Implements behavior for hg, git, and bzr.

R=dsymonds, rsc, n13m3y3r
CC=golang-dev
https://golang.org/cl/4873057
»»»

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4974067
2011-09-08 10:48:19 +10:00
Andrew Gerrand
adc856a211 [release-branch.r60] goinstall: report lack of $GOPATH on errors
««« CL 4929047 / 7bfbbfb1ad42
goinstall: report lack of $GOPATH on errors

Fixes #2175.

R=alex.brainman, rsc, gustavo, adg
CC=golang-dev
https://golang.org/cl/4929047
»»»

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4964068
2011-09-08 10:45:04 +10:00
Andrew Gerrand
6a571c5191 [release-branch.r60] goinstall: error out with paths that end with '/'
««« CL 4807048 / ae3b2b092cf7
goinstall: error out with paths that end with '/'

R=adg, rsc, tarmigan+golang
CC=golang-dev
https://golang.org/cl/4807048

»»»

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4968077
2011-09-08 10:43:40 +10:00
Andrew Gerrand
808bb141a6 create release-branch.r60 2011-09-08 10:39:39 +10:00
8267 changed files with 549920 additions and 1512356 deletions

10
.gitattributes vendored
View File

@@ -1,10 +0,0 @@
# Treat all files in the Go repo as binary, with no git magic updating
# line endings. Windows users contributing to Go will need to use a
# modern version of git and editors capable of LF line endings.
#
# We'll prevent accidental CRLF line endings from entering the repo
# via the git-review gofmt checks.
#
# See golang.org/issue/9281
* -text

View File

@@ -1,20 +0,0 @@
Please answer these questions before submitting your issue. Thanks!
### What version of Go are you using (`go version`)?
### What operating system and processor architecture are you using (`go env`)?
### What did you do?
If possible, provide a recipe for reproducing the error.
A complete runnable program is good.
A link on play.golang.org is best.
### What did you expect to see?
### What did you see instead?

View File

@@ -1,7 +0,0 @@
Please do not send pull requests to the golang/* repositories.
We do, however, take contributions gladly.
See https://golang.org/doc/contribute.html
Thanks!

45
.gitignore vendored
View File

@@ -1,45 +0,0 @@
.DS_Store
*.[56789ao]
*.a[56789o]
*.so
*.pyc
._*
.nfs.*
[56789a].out
*~
*.orig
*.rej
*.exe
.*.swp
core
*.cgo*.go
*.cgo*.c
_cgo_*
_obj
_test
_testmain.go
/VERSION.cache
/bin/
/build.out
/doc/articles/wiki/*.bin
/goinstall.log
/last-change
/misc/cgo/life/run.out
/misc/cgo/stdio/run.out
/misc/cgo/testso/main
/pkg/
/src/*.*/
/src/cmd/cgo/zdefaultcc.go
/src/cmd/go/zdefaultcc.go
/src/cmd/go/zosarch.go
/src/cmd/internal/obj/zbootstrap.go
/src/go/build/zcgo.go
/src/go/doc/headscan
/src/runtime/internal/sys/zversion.go
/src/unicode/maketables
/test.out
/test/garbage/*.out
/test/pass.out
/test/run.out
/test/times.out

68
.hgignore Normal file
View File

@@ -0,0 +1,68 @@
syntax:glob
.DS_Store
.git
.gitignore
*.[568ao]
*.ao
*.so
*.pyc
._*
.nfs.*
[568a].out
*~
*.orig
*.rej
*.exe
.*.swp
core
*.cgo*.go
*.cgo*.c
_cgo_*
_obj
_test
_testmain.go
build.out
test.out
y.tab.[ch]
doc/htmlgen
doc/codelab/wiki/*.bin
misc/cgo/life/run.out
misc/dashboard/builder/gobuilder
misc/goplay/goplay
src/Make.inc
src/cmd/6a/6a
src/cmd/?l/enam.c
src/cmd/cc/y.output
src/cmd/gc/builtin.c
src/cmd/gc/mkbuiltin1
src/cmd/gc/opnames.h
src/cmd/gc/y.output
src/cmd/gc/y1.tab.c
src/cmd/gc/yerr.h
src/cmd/goinstall/syslist.go
src/pkg/Make.deps
src/pkg/exp/norm/maketables
src/pkg/exp/norm/maketesttables
src/pkg/exp/ogle/ogle
src/pkg/go/build/syslist.go
src/pkg/os/signal/unix.go
src/pkg/runtime/*/asm.h
src/pkg/runtime/goc2c
src/pkg/runtime/mkversion
src/pkg/runtime/runtime.acid.*
src/pkg/runtime/runtime_defs.go
src/pkg/runtime/version.go
src/pkg/runtime/version_*.go
src/pkg/unicode/maketables
src/pkg/*.*/
test/pass.out
test/run.out
test/times.out
test/garbage/*.out
goinstall.log
syntax:regexp
^bin/
^pkg/
^src/cmd/(.*)/6?\1$
^.*/core.[0-9]*$

78
.hgtags Normal file
View File

@@ -0,0 +1,78 @@
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AUTHORS
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@@ -2,889 +2,157 @@
# This file is distinct from the CONTRIBUTORS files.
# See the latter for an explanation.
# Names should be added to this file as one of
# Organization's name
# Individual's name <submission email address>
# Individual's name <submission email address> <email2> <emailN>
# See CONTRIBUTORS for the meaning of multiple email addresses.
# Names should be added to this file as
# Name or Organization <email address>
# The email address is not required for organizations.
# Please keep the list sorted.
A Medium Corporation
Aamir Khan <syst3m.w0rm@gmail.com>
Aaron France <aaron.l.france@gmail.com>
Aaron Torres <tcboox@gmail.com>
Abe Haskins <abeisgreat@abeisgreat.com>
Abhinav Gupta <abhinav.g90@gmail.com>
Adrian Nos <nos.adrian@gmail.com>
Adrian O'Grady <elpollouk@gmail.com>
Adrien Bustany <adrien-xx-google@bustany.org>
Aécio Júnior <aeciodantasjunior@gmail.com>
Ahmed Waheed Moanes <oneofone@gmail.com>
Ahmy Yulrizka <yulrizka@gmail.com>
Aiden Scandella <ai@uber.com>
Ainar Garipov <gugl.zadolbal@gmail.com>
Akihiro Suda <suda.kyoto@gmail.com>
Akshat Kumar <seed@mail.nanosouffle.net>
Alan Shreve <alan@inconshreveable.com>
Albert Nigmatzianov <albertnigma@gmail.com>
Albert Strasheim <fullung@gmail.com>
Albert Yu <yukinying@gmail.com>
Alberto Bertogli <albertito@blitiri.com.ar>
Alberto Donizetti <alb.donizetti@gmail.com>
Alberto García Hierro <alberto@garciahierro.com> <alberto.garcia.hierro@gmail.com>
Aleksandar Dezelin <dezelin@gmail.com>
Alessandro Arzilli <alessandro.arzilli@gmail.com>
Alessandro Baffa <alessandro.baffa@gmail.com>
Alex A Skinner <alex@lx.lc>
Alex Brainman <alex.brainman@gmail.com>
Alex Browne <stephenalexbrowne@gmail.com>
Alex Carol <alex.carol.c@gmail.com>
Alex Jin <toalexjin@gmail.com>
Alex Plugaru <alex@plugaru.org> <alexandru.plugaru@gmail.com>
Alex Schroeder <alex@gnu.org>
Alex Sergeyev <abc@alexsergeyev.com>
Alexander Demakin <alexander.demakin@gmail.com>
Alexander Döring <email@alexd.ch>
Alexander Larsson <alexander.larsson@gmail.com>
Alexander Menzhinsky <amenzhinsky@gmail.com>
Alexander Morozov <lk4d4math@gmail.com>
Alexander Neumann <alexander@bumpern.de>
Alexander Orlov <alexander.orlov@loxal.net>
Alexander Reece <awreece@gmail.com>
Alexander Surma <surma@surmair.de>
Alexander Zhavnerchik <alex.vizor@gmail.com>
Alexander Zolotov <goldifit@gmail.com>
Alexandre Cesaro <alexandre.cesaro@gmail.com>
Alexandre Fiori <fiorix@gmail.com>
Alexandre Normand <alexandre.normand@gmail.com>
Alexei Sholik <alcosholik@gmail.com>
Alexey Borzenkov <snaury@gmail.com>
Alexey Palazhchenko <alexey.palazhchenko@gmail.com>
Aliaksandr Valialkin <valyala@gmail.com>
Alif Rachmawadi <subosito@gmail.com>
Allan Simon <allan.simon@supinfo.com>
Alok Menghrajani <alok.menghrajani@gmail.com>
Amazon.com, Inc
Amir Mohammad Saied <amir@gluegadget.com>
Amrut Joshi <amrut.joshi@gmail.com>
Andre Nathan <andrenth@gmail.com>
Andreas Auernhammer <aead@mail.de>
Andreas Litt <andreas.litt@gmail.com>
Andrei Korzhevskii <a.korzhevskiy@gmail.com>
Andrei Vieru <euvieru@gmail.com>
Andrew Austin <andrewaclt@gmail.com>
Andrew Balholm <andybalholm@gmail.com>
Andrew Bonventre <andybons@chromium.org>
Andrew Bursavich <abursavich@gmail.com>
Andrew Ekstedt <andrew.ekstedt@gmail.com>
Andrew Etter <andrew.etter@gmail.com>
Andrew Harding <andrew@spacemonkey.com>
Andrew Lutomirski <andy@luto.us>
Andrew Pogrebnoy <absourd.noise@gmail.com>
Andrew Pritchard <awpritchard@gmail.com>
Andrew Radev <andrey.radev@gmail.com>
Andrew Skiba <skibaa@gmail.com>
Andrew Szeto <andrew@jabagawee.com>
Andrew Wilkins <axwalk@gmail.com>
Andrew Williams <williams.andrew@gmail.com>
Andrey Mirtchovski <mirtchovski@gmail.com>
Andrey Petrov <andrey.petrov@shazow.net>
Andriy Lytvynov <lytvynov.a.v@gmail.com>
Andy Balholm <andy@balholm.com>
Andy Davis <andy@bigandian.com>
Andy Finkenstadt <afinkenstadt@zynga.com>
Andy Maloney <asmaloney@gmail.com>
Anfernee Yongkun Gui <anfernee.gui@gmail.com>
Angelo Bulfone <mbulfone@gmail.com>
Anh Hai Trinh <anh.hai.trinh@gmail.com>
Anmol Sethi <anmol@aubble.com>
Anschel Schaffer-Cohen <anschelsc@gmail.com>
Anthony Canino <anthony.canino1@gmail.com>
Anthony Eufemio <anthony.eufemio@gmail.com>
Anthony Martin <ality@pbrane.org>
Anthony Starks <ajstarks@gmail.com>
Anthony Woods <awoods@raintank.io>
Antonio Bibiano <antbbn@gmail.com>
Apisak Darakananda <pongad@gmail.com>
Aram Hăvărneanu <aram@mgk.ro>
Areski Belaid <areski@gmail.com>
Arlo Breault <arlolra@gmail.com>
ARM Ltd.
Arnaud Ysmal <arnaud.ysmal@gmail.com>
Arne Hormann <arnehormann@gmail.com>
Arnout Engelen <arnout@bzzt.net>
Aron Nopanen <aron.nopanen@gmail.com>
Artyom Pervukhin <artyom.pervukhin@gmail.com>
Arvindh Rajesh Tamilmani <art@a-30.net>
Atin Malaviya <amalaviy@akamai.com>
Ato Araki <ato.araki@gmail.com>
Audrey Lim <audreylh@gmail.com>
Augusto Roman <aroman@gmail.com>
Aulus Egnatius Varialus <varialus@gmail.com>
awaw fumin <awawfumin@gmail.com>
Ayanamist Yang <ayanamist@gmail.com>
Aymerick Jéhanne <aymerick@jehanne.org>
Baiju Muthukadan <baiju.m.mail@gmail.com>
Ben Burkert <ben@benburkert.com>
Ben Lubar <ben.lubar@gmail.com>
Ben Olive <sionide21@gmail.com>
Benjamin Black <b@b3k.us>
Benny Siegert <bsiegert@gmail.com>
Benoit Sigoure <tsunanet@gmail.com>
Berengar Lehr <berengar.lehr@gmx.de>
Billie Harold Cleek <bhcleek@gmail.com>
Bjorn Tillenius <bjorn@tillenius.me>
Bjorn Tipling <bjorn.tipling@gmail.com>
Blake Gentry <blakesgentry@gmail.com>
Blake Mizerany <blake.mizerany@gmail.com>
Blixt <me@blixt.nyc>
Bobby Powers <bobbypowers@gmail.com>
Bolt
Brady Catherman <brady@gmail.com>
Brady Sullivan <brady@bsull.com>
Brendan Daniel Tracey <tracey.brendan@gmail.com>
Brett Cannon <bcannon@gmail.com>
Brian Dellisanti <briandellisanti@gmail.com>
Brian G. Merrell <bgmerrell@gmail.com>
Brian Gitonga Marete <marete@toshnix.com> <bgmarete@gmail.com>
Brian Kennedy <btkennedy@gmail.com>
Brian Ketelsen <bketelsen@gmail.com>
Brian Smith <ohohvi@gmail.com>
Bryan Alexander <Kozical@msn.com>
Bryan Ford <brynosaurus@gmail.com>
Caine Tighe <arctanofyourface@gmail.com>
Caleb Spare <cespare@gmail.com>
Carl Chatfield <carlchatfield@gmail.com>
Carl Johnson <me@carlmjohnson.net>
Carlos Castillo <cookieo9@gmail.com>
Carlos Cirello <uldericofilho@gmail.com>
Case Nelson <case.nelson@gmail.com>
Casey Marshall <casey.marshall@gmail.com>
Cezar Sá Espinola <cezarsa@gmail.com>
ChaiShushan <chaishushan@gmail.com>
Charles L. Dorian <cldorian@gmail.com>
Charles Lee <zombie.fml@gmail.com>
Chris Dollin <ehog.hedge@gmail.com>
Chris Farmiloe <chrisfarms@gmail.com>
Chris Hines <chris.cs.guy@gmail.com>
Chris Howey <howeyc@gmail.com>
Chris Jones <chris@cjones.org>
Chris Kastorff <encryptio@gmail.com>
Chris Lennert <calennert@gmail.com>
Chris McGee <sirnewton_01@yahoo.ca> <newton688@gmail.com>
Chris Stockton <chrisstocktonaz@gmail.com>
Christian Couder <chriscool@tuxfamily.org>
Christian Himpel <chressie@googlemail.com>
Christine Hansmann <chhansmann@gmail.com>
Christoffer Buchholz <christoffer.buchholz@gmail.com>
Christoph Hack <christoph@tux21b.org>
Christopher Cahoon <chris.cahoon@gmail.com>
Christopher Guiney <chris@guiney.net>
Christopher Nelson <nadiasvertex@gmail.com>
Christopher Nielsen <m4dh4tt3r@gmail.com>
Christopher Redden <christopher.redden@gmail.com>
Christopher Wedgwood <cw@f00f.org>
CL Sung <clsung@gmail.com> <cl_sung@htc.com>
Clement Skau <clementskau@gmail.com>
CloudFlare Inc.
Colin Edwards <colin@recursivepenguin.com>
Colin Kennedy <moshen.colin@gmail.com>
Conrad Irwin <conrad.irwin@gmail.com>
Conrad Meyer <cemeyer@cs.washington.edu>
CoreOS, Inc.
Corey Thomasson <cthom.lists@gmail.com>
Cristian Staretu <unclejacksons@gmail.com>
Currant
Cyrill Schumacher <cyrill@schumacher.fm>
Damian Gryski <dgryski@gmail.com>
Dan Caddigan <goldcaddy77@gmail.com>
Dan Callahan <dan.callahan@gmail.com>
Dan Peterson <dpiddy@gmail.com>
Dan Sinclair <dan.sinclair@gmail.com>
Daniel Fleischman <danielfleischman@gmail.com>
Daniel Johansson <dajo2002@gmail.com>
Daniel Kerwin <d.kerwin@gini.net>
Daniel Krech <eikeon@eikeon.com>
Daniel Lidén <daniel.liden.87@gmail.com>
Daniel Martí <mvdan@mvdan.cc>
Daniel Morsing <daniel.morsing@gmail.com>
Daniel Ortiz Pereira da Silva <daniel.particular@gmail.com>
Daniel Skinner <daniel@dasa.cc>
Daniel Speichert <daniel@speichert.pl>
Daniel Theophanes <kardianos@gmail.com>
Darren Elwood <darren@textnode.com>
Datong Sun <dndx@idndx.com>
Dave Cheney <dave@cheney.net>
David Brophy <dave@brophy.uk>
David Bürgin <676c7473@gmail.com>
David Calavera <david.calavera@gmail.com>
David du Colombier <0intro@gmail.com>
David Forsythe <dforsythe@gmail.com>
David G. Andersen <dave.andersen@gmail.com>
David Howden <dhowden@gmail.com>
David Jakob Fritz <david.jakob.fritz@gmail.com>
David Leon Gil <coruus@gmail.com>
David R. Jenni <david.r.jenni@gmail.com>
David Sansome <me@davidsansome.com>
David Stainton <dstainton415@gmail.com>
David Thomas <davidthomas426@gmail.com>
David Titarenco <david.titarenco@gmail.com>
Davies Liu <davies.liu@gmail.com>
Dean Prichard <dean.prichard@gmail.com>
Deepak Jois <deepak.jois@gmail.com>
Denis Bernard <db047h@gmail.com>
Denis Brandolini <denis.brandolini@gmail.com>
Denys Honsiorovskyi <honsiorovskyi@gmail.com>
Derek Buitenhuis <derek.buitenhuis@gmail.com>
Derek Parker <parkerderek86@gmail.com>
Derek Shockey <derek.shockey@gmail.com>
Develer SRL
Devon H. O'Dell <devon.odell@gmail.com>
Dhaivat Pandit <dhaivatpandit@gmail.com>
Dhiru Kholia <dhiru.kholia@gmail.com>
Didier Spezia <didier.06@gmail.com>
Dimitri Tcaciuc <dtcaciuc@gmail.com>
Dirk Gadsden <dirk@esherido.com>
Diwaker Gupta <diwakergupta@gmail.com>
Dmitri Popov <operator@cv.dp-net.com>
Dmitri Shuralyov <shurcooL@gmail.com>
Dmitriy Dudkin <dudkin.dmitriy@gmail.com>
Dmitriy Shelenin <deemok@googlemail.com> <deemok@gmail.com>
Dmitry Chestnykh <dchest@gmail.com>
Dmitry Savintsev <dsavints@gmail.com>
Dmitry Yakunin <nonamezeil@gmail.com>
Dominik Honnef <dominik.honnef@gmail.com>
Donald Huang <don.hcd@gmail.com>
Donovan Hide <donovanhide@gmail.com>
Dropbox, Inc.
Duncan Holm <mail@frou.org>
Dustin Herbison <djherbis@gmail.com>
Dustin Sallings <dsallings@gmail.com>
Dustin Shields-Cloues <dcloues@gmail.com>
Dvir Volk <dvir@everything.me> <dvirsky@gmail.com>
Eden Li <eden.li@gmail.com>
Edward Muller <edwardam@interlix.com>
Egon Elbre <egonelbre@gmail.com>
Ehren Kret <ehren.kret@gmail.com>
Eivind Uggedal <eivind@uggedal.com>
Elias Naur <elias.naur@gmail.com>
Elliot Morrison-Reed <elliotmr@gmail.com>
Emil Hessman <c.emil.hessman@gmail.com> <emil@hessman.se>
Emmanuel Odeke <emm.odeke@gmail.com> <odeke@ualberta.ca>
Empirical Interfaces Inc.
Eoghan Sherry <ejsherry@gmail.com>
Eric Clark <zerohp@gmail.com>
Eric Engestrom <eric@engestrom.ch>
Eric Lagergren <ericscottlagergren@gmail.com>
Eric Milliken <emilliken@gmail.com>
Eric Roshan-Eisner <eric.d.eisner@gmail.com>
Erik Aigner <aigner.erik@gmail.com>
Erik Dubbelboer <erik@dubbelboer.com>
Erik St. Martin <alakriti@gmail.com>
Erik Westrup <erik.westrup@gmail.com>
Ernest Chiang <ernest_chiang@htc.com>
Esko Luontola <esko.luontola@gmail.com>
Euan Kemp <euank@euank.com>
Evan Phoenix <evan@phx.io>
Eric Eisner <eric.d.eisner@gmail.com>
Evan Shaw <chickencha@gmail.com>
Ewan Chou <coocood@gmail.com>
Fabian Wickborn <fabian@wickborn.net>
Fabrizio Milo <mistobaan@gmail.com>
Faiyaz Ahmed <ahmedf@vmware.com>
Fan Hongjian <fan.howard@gmail.com>
Fastly, Inc.
Fatih Arslan <fatih@arslan.io>
Fazlul Shahriar <fshahriar@gmail.com>
Fedor Indutny <fedor@indutny.com>
Felix Geisendörfer <haimuiba@gmail.com>
Filippo Valsorda <hi@filippo.io>
Firmansyah Adiputra <frm.adiputra@gmail.com>
Florian Uekermann <florian@uekermann-online.de>
Florian Weimer <fw@deneb.enyo.de>
Florin Patan <florinpatan@gmail.com>
Ford Hurley <ford.hurley@gmail.com>
Francisco Claude <fclaude@recoded.cl>
Francisco Souza <franciscossouza@gmail.com>
Frederick Kelly Mayle III <frederickmayle@gmail.com>
Fredrik Enestad <fredrik.enestad@soundtrackyourbrand.com>
Frithjof Schulze <schulze@math.uni-hannover.de> <sfrithjof@gmail.com>
Frits van Bommel <fvbommel@gmail.com>
Gabriel Aszalos <gabriel.aszalos@gmail.com>
Gabriel Russell <gabriel.russell@gmail.com>
Gareth Paul Jones <gpj@foursquare.com>
Gary Burd <gary@beagledreams.com>
Gaurish Sharma <contact@gaurishsharma.com>
Gautham Thambidorai <gautham.dorai@gmail.com>
Geert-Johan Riemer <gjr19912@gmail.com>
Geoffroy Lorieux <lorieux.g@gmail.com>
Georg Reinke <guelfey@gmail.com>
George Shammas <george@shamm.as> <georgyo@gmail.com>
Gerasimos Dimitriadis <gedimitr@gmail.com>
Gideon Jan-Wessel Redelinghuys <gjredelinghuys@gmail.com>
Giles Lean <giles.lean@pobox.com>
Giulio Iotti <dullgiulio@gmail.com>
Gleb Stepanov <glebstepanov1992@gmail.com>
Google Inc.
Gordon Klaus <gordon.klaus@gmail.com>
Graham King <graham4king@gmail.com>
Graham Miller <graham.miller@gmail.com>
Greg Ward <greg@gerg.ca>
Guillaume J. Charmes <guillaume@charmes.net>
Guobiao Mei <meiguobiao@gmail.com>
Gustav Paul <gustav.paul@gmail.com>
Gustavo Niemeyer <gustavo@niemeyer.net>
Gwenael Treguier <gwenn.kahz@gmail.com>
Gyu-Ho Lee <gyuhox@gmail.com>
H. İbrahim Güngör <igungor@gmail.com>
Hajime Hoshi <hajimehoshi@gmail.com>
Hari haran <hariharan.uno@gmail.com>
Hariharan Srinath <srinathh@gmail.com>
Harley Laue <losinggeneration@gmail.com>
Harry Moreno <morenoh149@gmail.com>
Harshavardhana <hrshvardhana@gmail.com>
Håvard Haugen <havard.haugen@gmail.com>
Hector Chu <hectorchu@gmail.com>
Hector Martin Cantero <hector@marcansoft.com>
Henning Schmiedehausen <henning@schmiedehausen.org>
Henrik Edwards <henrik.edwards@gmail.com>
Henrik Hodne <henrik@hodne.io>
Herbert Georg Fischer <herbert.fischer@gmail.com>
Hironao OTSUBO <motemen@gmail.com>
Hiroshi Ioka <hirochachacha@gmail.com>
Hitoshi Mitake <mitake.hitoshi@gmail.com>
Holden Huang <ttyh061@gmail.com>
Hong Ruiqi <hongruiqi@gmail.com>
Hsin-Ho Yeh <yhh92u@gmail.com>
Hu Keping <hukeping@huawei.com>
Ian Gudger <ian@loosescre.ws>
IBM
Icarus Sparry <golang@icarus.freeuk.com>
Idora Shinatose <idora.shinatose@gmail.com>
Igneous Systems, Inc.
Igor Dolzhikov <bluesriverz@gmail.com>
INADA Naoki <songofacandy@gmail.com>
Ingo Krabbe <ikrabbe.ask@gmail.com>
Ingo Oeser <nightlyone@googlemail.com>
Intel Corporation
Irieda Noboru <irieda@gmail.com>
Isaac Wagner <ibw@isaacwagner.me>
Ivan Babrou <ivan@cloudflare.com>
Ivan Ukhov <ivan.ukhov@gmail.com>
Jacob Hoffman-Andrews <github@hoffman-andrews.com>
Jae Kwon <jae@tendermint.com>
Jakob Borg <jakob@nym.se>
Jakub Ryszard Czarnowicz <j.czarnowicz@gmail.com>
James Bardin <j.bardin@gmail.com>
James Clarke <jrtc27@jrtc27.com>
James David Chalfant <james.chalfant@gmail.com>
James Fysh <james.fysh@gmail.com>
James Gray <james@james4k.com>
James Meneghello <rawrz0r@gmail.com>
James P. Cooper <jamespcooper@gmail.com>
James Schofield <james@shoeboxapp.com>
James Sweet <james.sweet88@googlemail.com>
James Toy <nil@opensesame.st>
James Whitehead <jnwhiteh@gmail.com>
Jamie Beverly <jamie.r.beverly@gmail.com>
Jamil Djadala <djadala@gmail.com>
Jan H. Hosang <jan.hosang@gmail.com>
Jan Mercl <0xjnml@gmail.com>
Jan Mercl <befelemepeseveze@gmail.com>
Jan Newmarch <jan.newmarch@gmail.com>
Jan Ziak <0xe2.0x9a.0x9b@gmail.com>
Jani Monoses <jani.monoses@ubuntu.com>
Jaroslavas Počepko <jp@webmaster.ms>
Jason Barnett <jason.w.barnett@gmail.com>
Jason Del Ponte <delpontej@gmail.com>
Jason Smale <jsmale@zendesk.com>
Jason Travis <infomaniac7@gmail.com>
Jay Weisskopf <jay@jayschwa.net>
Jean-Nicolas Moal <jn.moal@gmail.com>
Jeff Hodges <jeff@somethingsimilar.com>
Jeff R. Allen <jra@nella.org>
Jeff Sickel <jas@corpus-callosum.com>
Jeff Wendling <jeff@spacemonkey.com>
Jens Frederich <jfrederich@gmail.com>
Jeremy Jackins <jeremyjackins@gmail.com>
Jeroen Bobbeldijk <jerbob92@gmail.com>
Jess Frazelle <me@jessfraz.com>
Jesse Szwedko <jesse.szwedko@gmail.com>
Jihyun Yu <yjh0502@gmail.com>
Jim McGrath <jimmc2@gmail.com>
Jimmy Zelinskie <jimmyzelinskie@gmail.com>
Jingcheng Zhang <diogin@gmail.com>
Jingguo Yao <yaojingguo@gmail.com>
Jiong Du <londevil@gmail.com>
Jirka Daněk <dnk@mail.muni.cz>
Joakim Sernbrant <serbaut@gmail.com>
Joe Farrell <joe2farrell@gmail.com>
Joe Harrison <joehazzers@gmail.com>
Joe Henke <joed.henke@gmail.com>
Joe Poirier <jdpoirier@gmail.com>
Joe Shaw <joe@joeshaw.org>
Joe Sylve <joe.sylve@gmail.com>
Joe Tsai <joetsai@digital-static.net>
Joel Stemmer <stemmertech@gmail.com>
Johan Sageryd <j@1616.se>
John Asmuth <jasmuth@gmail.com>
John C Barstow <jbowtie@amathaine.com>
John Graham-Cumming <jgc@jgc.org> <jgrahamc@gmail.com>
John Howard Palevich <jack.palevich@gmail.com>
John Jeffery <jjeffery@sp.com.au>
John Jenkins <twodopeshaggy@gmail.com>
John Potocny <johnp@vividcortex.com>
John Schnake <schnake.john@gmail.com>
John Shahid <jvshahid@gmail.com>
John Tuley <john@tuley.org>
Jonathan Boulle <jonathanboulle@gmail.com>
Jonathan Gold <jgold.bg@gmail.com>
Jonathan Mark <jhmark@xenops.com>
Jonathan Rudenberg <jonathan@titanous.com>
Jonathan Wills <runningwild@gmail.com>
Jongmin Kim <atomaths@gmail.com>
Joonas Kuorilehto <joneskoo@derbian.fi>
Joop Kiefte <ikojba@gmail.com> <joop@kiefte.net>
Jordan Lewis <jordanthelewis@gmail.com>
Jose Luis Vázquez González <josvazg@gmail.com>
Joseph Holsten <joseph@josephholsten.com>
Josh Bleecher Snyder <josharian@gmail.com>
Josh Chorlton <jchorlton@gmail.com>
Josh Goebel <dreamer3@gmail.com>
Josh Holland <jrh@joshh.co.uk>
Joshua Chase <jcjoshuachase@gmail.com>
Jostein Stuhaug <js@solidsystem.no>
JT Olds <jtolds@xnet5.com>
Jukka-Pekka Kekkonen <karatepekka@gmail.com>
Julian Kornberger <jk+github@digineo.de>
Julian Phillips <julian@quantumfyre.co.uk>
Julien Schmidt <google@julienschmidt.com>
Justin Nuß <nuss.justin@gmail.com>
Justyn Temme <justyntemme@gmail.com>
Kai Backman <kaib@golang.org>
Kale Blankenship <kale@lemnisys.com>
Kamil Kisiel <kamil@kamilkisiel.net> <kamil.kisiel@gmail.com>
Kang Hu <hukangustc@gmail.com>
Kato Kazuyoshi <kato.kazuyoshi@gmail.com>
Katrina Owen <katrina.owen@gmail.com>
Kaviraj Kanagaraj <kavirajkanagaraj@gmail.com>
Keegan Carruthers-Smith <keegan.csmith@gmail.com>
Kei Son <hey.calmdown@gmail.com>
Keith Ball <inflatablewoman@gmail.com>
Keith Rarick <kr@xph.us>
Kelsey Hightower <kelsey.hightower@gmail.com>
Kelvin Foo Chuan Lyi <vmirage@gmail.com>
Ken Friedenbach <kenliz@cruzio.com>
Ken Rockot <ken@oz.gs>
Ken Sedgwick <ken@bonsai.com>
Kenji Kaneda <kenji.kaneda@gmail.com>
Kenneth Shaw <kenshaw@gmail.com>
Kenny Grant <kennygrant@gmail.com>
Kevin Ballard <kevin@sb.org>
Kevin Burke <kev@inburke.com>
Kevin Kirsche <kev.kirsche@gmail.com>
Kevin Vu <kevin.m.vu@gmail.com>
Klaus Post <klauspost@gmail.com>
Konstantin Shaposhnikov <k.shaposhnikov@gmail.com>
KPCompass, Inc.
Kristopher Watts <traetox@gmail.com>
Kun Li <likunarmstrong@gmail.com>
Kyle Consalus <consalus@gmail.com>
Kyle Isom <kyle@gokyle.net>
Kyle Lemons <kyle@kylelemons.net>
L Campbell <unpantsu@gmail.com>
Lai Jiangshan <eag0628@gmail.com>
Larz Conwell <larzconwell@gmail.com>
LE Manh Cuong <cuong.manhle.vn@gmail.com>
Lee Hinman <hinman@gmail.com>
Lee Packham <lpackham@gmail.com>
Lewin Bormann <lewin.bormann@gmail.com>
Liberty Fund Inc
Linaro Limited
Lloyd Dewolf <foolswisdom@gmail.com>
Lorenzo Stoakes <lstoakes@gmail.com>
Luan Santos <cfcluan@gmail.com>
Luca Greco <luca.greco@alcacoop.it>
Lucien Stuker <lucien.stuker@gmail.com>
Lucio De Re <lucio.dere@gmail.com>
Luigi Riefolo <luigi.riefolo@gmail.com>
Luit van Drongelen <luitvd@gmail.com>
Luka Zakrajšek <tr00.g33k@gmail.com>
Luke Curley <qpingu@gmail.com>
Maksym Trykur <maksym.trykur@gmail.com>
Mal Curtis <mal@mal.co.nz>
Manfred Touron <m@42.am>
Manu S Ajith <neo@codingarena.in>
Manuel Mendez <mmendez534@gmail.com>
Marc Weistroff <marc@weistroff.net>
Marcel Edmund Franke <marcel.edmund.franke@gmail.com>
Marco Hennings <marco.hennings@freiheit.com>
Marin Bašić <marin.basic02@gmail.com>
Mark Bucciarelli <mkbucc@gmail.com>
Mark Severson <miquella@gmail.com>
Mark Theunissen <mark.theunissen@gmail.com>
Marko Juhani Silokunnas <marko.silokunnas@gmail.com>
Marko Tiikkaja <marko@joh.to>
Markover Inc. DBA Poptip
Markus Duft <markus.duft@salomon.at>
Markus Sonderegger <marraison@gmail.com>
Markus Zimmermann <zimmski@gmail.com>
Martin Bertschler <mbertschler@gmail.com>
Martin Garton <garton@gmail.com>
Martin Hamrle <martin.hamrle@gmail.com>
Martin Möhrmann <martisch@uos.de>
Martin Neubauer <m.ne@gmx.net>
Martin Olsson <martin@minimum.se>
Marvin Stenger <marvin.stenger94@gmail.com>
Mateusz Czapliński <czapkofan@gmail.com>
Mathias Beke <git@denbeke.be>
Mathias Leppich <mleppich@muhqu.de>
Mathieu Lonjaret <mathieu.lonjaret@gmail.com>
Mats Lidell <mats.lidell@cag.se>
Matt Aimonetti <mattaimonetti@gmail.com>
Matt Bostock <matt@mattbostock.com>
Matt Drollette <matt@drollette.com>
Matt Jibson <matt.jibson@gmail.com>
Matt Joiner <anacrolix@gmail.com>
Matt Layher <mdlayher@gmail.com>
Matt Reiferson <mreiferson@gmail.com>
Matt Robenolt <matt@ydekproductions.com>
Matt T. Proud <matt.proud@gmail.com>
Matt Williams <gh@mattyw.net>
Matthew Brennan <matty.brennan@gmail.com>
Matthew Cottingham <mattcottingham@gmail.com>
Matthew Denton <mdenton@skyportsystems.com>
Matthew Holt <Matthew.Holt+git@gmail.com>
Matthew Horsnell <matthew.horsnell@gmail.com>
Matthieu Hauglustaine <matt.hauglustaine@gmail.com>
Matthieu Olivier <olivier.matthieu@gmail.com>
Max Riveiro <kavu13@gmail.com>
Maxim Khitrov <max@mxcrypt.com>
Maxwell Krohn <themax@gmail.com>
MediaMath, Inc
Meir Fischer <meirfischer@gmail.com>
Meng Zhuo <mengzhuo1203@gmail.com>
Meteor Development Group
Mhd Sulhan <m.shulhan@gmail.com>
Micah Stetson <micah.stetson@gmail.com>
Michael Chaten <mchaten@gmail.com>
Michael Elkins <michael.elkins@gmail.com>
Michael Fraenkel <michael.fraenkel@gmail.com>
Michael Gehring <mg@ebfe.org> <gnirheg.leahcim@gmail.com>
Michael Hoisie <hoisie@gmail.com>
Michael Käufl <golang@c.michael-kaeufl.de>
Michael Lewis <mikelikespie@gmail.com>
Michael MacInnis <Michael.P.MacInnis@gmail.com>
Michael McConville <momcconville@gmail.com>
Michael Pearson <mipearson@gmail.com>
Michael Schaller <michael@5challer.de>
Michael Stapelberg <michael@stapelberg.de>
Michael Teichgräber <mteichgraeber@gmx.de>
Michael Vetter <g.bluehut@gmail.com>
Michal Bohuslávek <mbohuslavek@gmail.com>
Michał Derkacz <ziutek@lnet.pl>
Miek Gieben <miek@miek.nl>
Miguel Mendez <stxmendez@gmail.com>
Mihai Borobocea <MihaiBorobocea@gmail.com>
Mikael Tillenius <mikti42@gmail.com>
Mike Andrews <mra@xoba.com>
Mike Appleby <mike@app.leby.org>
Mike Houston <mike@kothar.net>
Mike Rosset <mike.rosset@gmail.com>
Mikhail Gusarov <dottedmag@dottedmag.net>
Mikhail Panchenko <m@mihasya.com>
Miki Tebeka <miki.tebeka@gmail.com>
Mikio Hara <mikioh.mikioh@gmail.com>
Mikkel Krautz <mikkel@krautz.dk>
Miquel Sabaté Solà <mikisabate@gmail.com>
Miroslav Genov <mgenov@gmail.com>
Mohit Agarwal <mohit@sdf.org>
Momchil Velikov <momchil.velikov@gmail.com>
Monty Taylor <mordred@inaugust.com>
Moov Corporation
Moriyoshi Koizumi <mozo@mozo.jp>
Morten Siebuhr <sbhr@sbhr.dk>
Môshe van der Sterre <moshevds@gmail.com>
Muhammed Uluyol <uluyol0@gmail.com>
Nan Deng <monnand@gmail.com>
Nathan John Youngman <nj@nathany.com>
Nathan Otterness <otternes@cs.unc.edu>
Nathan P Finch <nate.finch@gmail.com>
Nathan VanBenschoten <nvanbenschoten@gmail.com>
Nathan Youngman <git@nathany.com>
Neelesh Chandola <neelesh.c98@gmail.com>
Netflix, Inc.
Nevins Bartolomeo <nevins.bartolomeo@gmail.com>
ngmoco, LLC
Niall Sheridan <nsheridan@gmail.com>
Nic Day <nic.day@me.com>
Nicholas Katsaros <nick@nickkatsaros.com>
Nicholas Presta <nick@nickpresta.ca> <nick1presta@gmail.com>
Nicholas Sullivan <nicholas.sullivan@gmail.com>
Nicholas Waples <nwaples@gmail.com>
Nick Craig-Wood <nick@craig-wood.com> <nickcw@gmail.com>
Nick Leli <nicholasleli@gmail.com>
Nick Patavalis <nick.patavalis@gmail.com>
Nick Petroni <npetroni@cs.umd.edu>
Nicolas Kaiser <nikai@nikai.net>
Nicolas Owens <mischief@offblast.org>
Nicolas S. Dade <nic.dade@gmail.com>
Niels Widger <niels.widger@gmail.com>
Nigel Kerr <nigel.kerr@gmail.com>
Nik Nyby <nnyby@columbia.edu>
Niko Dziemba <niko@dziemba.com>
Nikolay Turpitko <nikolay@turpitko.com>
Noah Campbell <noahcampbell@gmail.com>
Norberto Lopes <nlopes.ml@gmail.com>
Odin Ugedal <odin@ugedal.com>
Oleg Vakheta <helginet@gmail.com>
Oleku Konko <oleku.konko@gmail.com>
Oling Cat <olingcat@gmail.com>
Oliver Hookins <ohookins@gmail.com>
Olivier Antoine <olivier.antoine@gmail.com>
Olivier Duperray <duperray.olivier@gmail.com>
Olivier Poitrey <rs@dailymotion.com>
Olivier Saingre <osaingre@gmail.com>
Oracle
Orange
Özgür Kesim <oec-go@kesim.org>
Padraig Kitterick <padraigkitterick@gmail.com>
Palm Stone Games
Paolo Giarrusso <p.giarrusso@gmail.com>
Paolo Martini <mrtnpaolo@gmail.com>
Parker Moore <parkrmoore@gmail.com>
Pascal S. de Kloe <pascal@quies.net>
Patrick Crosby <patrick@stathat.com>
Patrick Gavlin <pgavlin@gmail.com>
Patrick Higgins <patrick.allen.higgins@gmail.com>
Patrick Lee <pattyshack101@gmail.com>
Patrick Mézard <patrick@mezard.eu>
Patrick Mylund Nielsen <patrick@patrickmn.com>
Patrick Smith <pat42smith@gmail.com>
Paul A Querna <paul.querna@gmail.com>
Paul Hammond <paul@paulhammond.org>
Paul Lalonde <paul.a.lalonde@gmail.com>
Paul Meyer <paul.meyer@microsoft.com>
Paul Rosania <paul.rosania@gmail.com>
Paul Sbarra <Sbarra.Paul@gmail.com>
Paul Smith <paulsmith@pobox.com> <paulsmith@gmail.com>
Paul van Brouwershaven <paul@vanbrouwershaven.com>
Paulo Casaretto <pcasaretto@gmail.com>
Pavel Paulau <pavel.paulau@gmail.com>
Pavel Zinovkin <pavel.zinovkin@gmail.com>
Pawel Knap <pawelknap88@gmail.com>
Percy Wegmann <ox.to.a.cart@gmail.com>
Perry Abbott <perry.j.abbott@gmail.com>
Petar Maymounkov <petarm@gmail.com>
Peter Armitage <peter.armitage@gmail.com>
Peter Froehlich <peter.hans.froehlich@gmail.com>
Peter Kleiweg <pkleiweg@xs4all.nl>
Peter Moody <pmoody@uber.com>
Peter Mundy <go.peter.90@gmail.com>
Péter Surányi <speter.go1@gmail.com>
Péter Szilágyi <peterke@gmail.com>
Peter Waldschmidt <peter@waldschmidt.com>
Peter Waller <peter.waller@gmail.com>
Peter Williams <pwil3058@gmail.com>
Philip Børgesen <philip.borgesen@gmail.com>
Philip Hofer <phofer@umich.edu>
Philip K. Warren <pkwarren@gmail.com>
Pierre Durand <pierredurand@gmail.com>
Pierre Roullon <pierre.roullon@gmail.com>
Pieter Droogendijk <pieter@binky.org.uk>
Pietro Gagliardi <pietro10@mac.com>
Prashant Varanasi <prashant@prashantv.com>
Preetam Jinka <pj@preet.am>
Quan Tran <qeed.quan@gmail.com>
Quan Yong Zhai <qyzhai@gmail.com>
Quentin Perez <qperez@ocs.online.net>
Quoc-Viet Nguyen <afelion@gmail.com>
RackTop Systems Inc.
Radu Berinde <radu@cockroachlabs.com>
Rafal Jeczalik <rjeczalik@gmail.com>
Raif S. Naffah <go@naffah-raif.name>
Rajat Goel <rajat.goel2010@gmail.com>
Ralph Corderoy <ralph@inputplus.co.uk>
Raphael Geronimi <raphael.geronimi@gmail.com>
Red Hat, Inc.
Reinaldo de Souza Jr <juniorz@gmail.com>
Rémy Oudompheng <oudomphe@phare.normalesup.org>
Ricardo Padilha <ricardospadilha@gmail.com>
Richard Barnes <rlb@ipv.sx>
Richard Crowley <r@rcrowley.org>
Richard Eric Gavaletz <gavaletz@gmail.com>
Richard Gibson <richard.gibson@gmail.com>
Richard Miller <miller.research@gmail.com>
Richard Musiol <mail@richard-musiol.de>
Rick Arnold <rickarnoldjr@gmail.com>
Risto Jaakko Saarelma <rsaarelm@gmail.com>
Rob Norman <rob.norman@infinitycloud.com>
Robert Daniel Kortschak <dan.kortschak@adelaide.edu.au>
Robert Dinu <r@varp.se>
Robert Figueiredo <robfig@gmail.com>
Robert Hencke <robert.hencke@gmail.com>
Robert Obryk <robryk@gmail.com>
Robert Stepanek <robert.stepanek@gmail.com>
Robin Eklind <r.eklind.87@gmail.com>
Rodrigo Moraes de Oliveira <rodrigo.moraes@gmail.com>
Rodrigo Rafael Monti Kochenburger <divoxx@gmail.com>
Roger Pau Monné <royger@gmail.com>
Roger Peppe <rogpeppe@gmail.com>
Roland Shoemaker <rolandshoemaker@gmail.com>
Ron Hashimoto <mail@h2so5.net>
Ron Minnich <rminnich@gmail.com>
Ross Light <rlight2@gmail.com>
Rowan Worth <sqweek@gmail.com>
Russell Haering <russellhaering@gmail.com>
Ryan Bagwell <ryanbagwell@outlook.com>
Ryan Hitchman <hitchmanr@gmail.com>
Ryan Lower <rpjlower@gmail.com>
Ryan Seys <ryan@ryanseys.com>
Ryan Slade <ryanslade@gmail.com>
Ryuzo Yamamoto <ryuzo.yamamoto@gmail.com>
S.Çağlar Onur <caglar@10ur.org>
Salmān Aljammāz <s@0x65.net>
Sam Hug <samuel.b.hug@gmail.com>
Sam Whited <sam@samwhited.com>
Samuele Pedroni <pedronis@lucediurna.net>
Sanjay Menakuru <balasanjay@gmail.com>
Sasha Sobol <sasha@scaledinference.com>
Scott Barron <scott.barron@github.com>
Scott Bell <scott@sctsm.com>
Scott Ferguson <scottwferg@gmail.com>
Scott Lawrence <bytbox@gmail.com>
Sean Rees <sean@erifax.org>
Sebastien Binet <seb.binet@gmail.com>
Sébastien Paolacci <sebastien.paolacci@gmail.com>
Sebastien Binet <seb.binet@gmail.com>
Sergei Skorobogatov <skorobo@rambler.ru>
Sergey 'SnakE' Gromov <snake.scaly@gmail.com>
Sergio Luis O. B. Correia <sergio@correia.cc>
Seth Hoenig <seth.a.hoenig@gmail.com>
Seth Vargo <sethvargo@gmail.com>
Shahar Kohanim <skohanim@gmail.com>
Shane Hansen <shanemhansen@gmail.com>
Shaozhen Ding <dsz0111@gmail.com>
Shawn Smith <shawn.p.smith@gmail.com>
Shenghou Ma <minux.ma@gmail.com>
Shinji Tanaka <shinji.tanaka@gmail.com>
Shivakumar GN <shivakumar.gn@gmail.com>
Silvan Jegen <s.jegen@gmail.com>
Simon Jefford <simon.jefford@gmail.com>
Simon Rawet <simon@rawet.se>
Simon Thulbourn <simon+github@thulbourn.com>
Simon Whitehead <chemnova@gmail.com>
Sina Siadat <siadat@gmail.com>
Sokolov Yura <funny.falcon@gmail.com>
Song Gao <song@gao.io>
Sourcegraph Inc
Spencer Nelson <s@spenczar.com>
Sergio Luis O. B. Correia <sergio@larces.uece.br>
Spring Mc <heresy.mc@gmail.com>
Square, Inc.
Sridhar Venkatakrishnan <sridhar@laddoo.net>
StalkR <stalkr@stalkr.net>
Stan Schwertly <stan@schwertly.com>
Stefan Nilsson <snilsson@nada.kth.se> <trolleriprofessorn@gmail.com>
Stéphane Travostino <stephane.travostino@gmail.com>
Stephen McQuay <stephen@mcquay.me>
Stefan Nilsson <snilsson@nada.kth.se>
Stephen Weinberg <stephen@q5comm.com>
Steve McCoy <mccoyst@gmail.com>
Steve Phillips <elimisteve@gmail.com>
Steve Streeting <steve@stevestreeting.com>
Steven Elliot Harris <seharris@gmail.com>
Steven Hartland <steven.hartland@multiplay.co.uk>
Stripe, Inc.
Suyash <dextrous93@gmail.com>
Sven Almgren <sven@tras.se>
Syohei YOSHIDA <syohex@gmail.com>
Szabolcs Nagy <nsz@port70.net>
Tad Glines <tad.glines@gmail.com>
Taj Khattra <taj.khattra@gmail.com>
Takeshi YAMANASHI <9.nashi@gmail.com>
Takuya Ueda <uedatakuya@gmail.com>
Tal Shprecher <tshprecher@gmail.com>
Tamir Duberstein <tamird@gmail.com>
Tarmigan Casebolt <tarmigan@gmail.com>
Taru Karttunen <taruti@taruti.net>
Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Terrel Shumway <gopher@shumway.us>
Tetsuo Kiso <tetsuokiso9@gmail.com>
Thiago Fransosi Farina <thiago.farina@gmail.com>
Thomas Alan Copeland <talan.copeland@gmail.com>
Thomas de Zeeuw <thomasdezeeuw@gmail.com>
Thomas Desrosiers <thomasdesr@gmail.com>
Thomas Kappler <tkappler@gmail.com>
Thorben Krueger <thorben.krueger@gmail.com>
Thordur Bjornsson <thorduri@secnorth.net>
Tilman Dilo <tilman.dilo@gmail.com>
Tim Cooijmans <timcooijmans@gmail.com>
Tim Ebringer <tim.ebringer@gmail.com>
Tim Henderson <tim.tadh@gmail.com>
Timo Savola <timo.savola@gmail.com>
Timo Truyts <alkaloid.btx@gmail.com>
Timothy Studd <tim@timstudd.com>
Tobias Columbus <tobias.columbus@gmail.com>
Todd Neal <todd@tneal.org>
Tom Heng <zhm20070928@gmail.com>
Tom Linford <tomlinford@gmail.com>
Tommy Schaefer <tommy.schaefer@teecom.com>
Tor Andersson <tor.andersson@gmail.com>
Tormod Erevik Lea <tormodlea@gmail.com>
Totoro W <tw19881113@gmail.com>
Travis Cline <travis.cline@gmail.com>
Trey Lawrence <lawrence.trey@gmail.com>
Trey Tacon <ttacon@gmail.com>
Tristan Colgate <tcolgate@gmail.com>
Tristan Ooohry <ooohry@gmail.com>
Tudor Golubenco <tudor.g@gmail.com>
Tuo Shan <sturbo89@gmail.com>
Tyler Bunnell <tylerbunnell@gmail.com>
Tyler Treat <ttreat31@gmail.com>
Ugorji Nwoke <ugorji@gmail.com>
Ulf Holm Nielsen <doktor@dyregod.dk>
Ulrich Kunitz <uli.kunitz@gmail.com>
Upthere, Inc.
Uriel Mangado <uriel@berlinblue.org>
Vadim Grek <vadimprog@gmail.com>
Vadim Vygonets <unixdj@gmail.com>
Vendasta
Vincent Ambo <tazjin@googlemail.com>
Vincent Batts <vbatts@hashbangbash.com> <vbatts@gmail.com>
Vincent Vanackere <vincent.vanackere@gmail.com>
Vinu Rajashekhar <vinutheraj@gmail.com>
Vishvananda Ishaya <vishvananda@gmail.com>
Vitor De Mario <vitordemario@gmail.com>
Vladimir Mihailenco <vladimir.webdev@gmail.com>
Vladimir Nikishenko <vova616@gmail.com>
Vladimir Stefanovic <vladimir.stefanovic@imgtec.com>
Volker Dobler <dr.volker.dobler@gmail.com>
Weaveworks
Wei Guangjing <vcc.163@gmail.com>
Willem van der Schyff <willemvds@gmail.com>
William Josephson <wjosephson@gmail.com>
William Orr <will@worrbase.com> <ay1244@gmail.com>
Wisdom Omuya <deafgoat@gmail.com>
Xia Bin <snyh@snyh.org>
Xing Xing <mikespook@gmail.com>
Xudong Zhang <felixmelon@gmail.com>
Xuyang Kang <xuyangkang@gmail.com>
Yahoo Inc.
Yann Kerhervé <yann.kerherve@gmail.com>
Yao Zhang <lunaria21@gmail.com>
Yasuharu Goto <matope.ono@gmail.com>
Yasuhiro Matsumoto <mattn.jp@gmail.com>
Yesudeep Mangalapilly <yesudeep@google.com>
Yissakhar Z. Beck <yissakhar.beck@gmail.com>
Yo-An Lin <yoanlin93@gmail.com>
Yongjian Xu <i3dmaster@gmail.com>
Yorman Arias <cixtords@gmail.com>
Yoshiyuki Kanno <nekotaroh@gmail.com> <yoshiyuki.kanno@stoic.co.jp>
Yusuke Kagiwada <block.rxckin.beats@gmail.com>
Yuusei Kuwana <kuwana@kumama.org>
Yuval Pavel Zholkover <paulzhol@gmail.com>
Zac Bergquist <zbergquist99@gmail.com>
Zemanta d.o.o.
Zev Goldstein <zev.goldstein@gmail.com>
Ziad Hatahet <hatahet@gmail.com>
Zorion Arrizabalaga <zorionk@gmail.com>
Фахриддин Балтаев <faxriddinjon@gmail.com>
申习之 <bronze1man@gmail.com>

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# Contributing to Go
Go is an open source project.
It is the work of hundreds of contributors. We appreciate your help!
## Filing issues
General questions should go to the
[golang-nuts mailing list](https://groups.google.com/group/golang-nuts) or
[other forum](https://golang.org/wiki/Questions) instead of the issue tracker.
The gophers there will answer or ask you to file an issue if you've tripped over a bug.
When filing an issue, make sure to answer these five questions:
1. What version of Go are you using (`go version`)?
2. What operating system and processor architecture are you using?
3. What did you do?
4. What did you expect to see?
5. What did you see instead?
For change proposals, see [Proposing Changes To Go](https://github.com/golang/proposal/).
Sensitive security-related issues should be reported to [security@golang.org](mailto:security@golang.org).
## Contributing code
Please read the [Contribution Guidelines](https://golang.org/doc/contribute.html)
before sending patches.
**We do not accept GitHub pull requests**
(we use [an instance](https://go-review.googlesource.com/) of the
[Gerrit](https://www.gerritcodereview.com/) code review system instead).
Also, please do not post patches on the issue tracker.
Unless otherwise noted, the Go source files are distributed under
the BSD-style license found in the LICENSE file.

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This is the source code repository for the Go programming language.
For documentation about how to install and use Go,
visit http://golang.org/ or load doc/install.html in your web browser.
After installing Go, you can view a nicely formatted
doc/install.html by running godoc --http=:6060
and then visiting http://localhost:6060/doc/install.html.
Unless otherwise noted, the Go source files are distributed
under the BSD-style license found in the LICENSE file.
--
Binary Distribution Notes
If you have just untarred a binary Go distribution, you need to set
the environment variable $GOROOT to the full path of the go
directory (the one containing this README). You can omit the
variable if you unpack it into /usr/local/go, or if you rebuild
from sources by running all.bash (see doc/install.html).
You should also add the Go binary directory $GOROOT/bin
to your shell's path.
For example, if you extracted the tar file into $HOME/go, you might
put the following in your .profile:
export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin
See doc/install.html for more details.

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@@ -1,41 +0,0 @@
# The Go Programming Language
Go is an open source programming language that makes it easy to build simple,
reliable, and efficient software.
![Gopher image](doc/gopher/fiveyears.jpg)
Our canonical Git repository is located at https://go.googlesource.com/go.
There is a mirror of the repository at https://github.com/golang/go.
Unless otherwise noted, the Go source files are distributed under the
BSD-style license found in the LICENSE file.
### Download and Install
#### Binary Distributions
Official binary distributions are available at https://golang.org/dl/.
After downloading a binary release, visit https://golang.org/doc/install
or load doc/install.html in your web browser for installation
instructions.
#### Install From Source
If a binary distribution is not available for your combination of
operating system and architecture, visit
https://golang.org/doc/install/source or load doc/install-source.html
in your web browser for source installation instructions.
### Contributing
Go is the work of hundreds of contributors. We appreciate your help!
To contribute, please read the contribution guidelines:
https://golang.org/doc/contribute.html
Note that the Go project does not use GitHub pull requests, and that
we use the issue tracker for bug reports and proposals only. See
https://golang.org/wiki/Questions for a list of places to ask
questions about the Go language.

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go1.8.3.typealias

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Files in this directory are data for Go's API checker ("go tool api", in src/cmd/api).
Each file is a list of API features, one per line.
go1.txt (and similarly named files) are frozen once a version has been
shipped. Each file adds new lines but does not remove any.
except.txt lists features that may disappear without breaking true
compatibility.
next.txt is the only file intended to be mutated. It's a list of
features that may be added to the next version. It only affects
warning output from the go api tool.

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@@ -1,344 +0,0 @@
pkg encoding/json, method (*RawMessage) MarshalJSON() ([]uint8, error)
pkg net, func ListenUnixgram(string, *UnixAddr) (*UDPConn, error)
pkg os (linux-arm), const O_SYNC = 4096
pkg os (linux-arm-cgo), const O_SYNC = 4096
pkg syscall (darwin-386), const ImplementsGetwd = false
pkg syscall (darwin-386), func Fchflags(string, int) error
pkg syscall (darwin-386-cgo), const ImplementsGetwd = false
pkg syscall (darwin-386-cgo), func Fchflags(string, int) error
pkg syscall (darwin-amd64), const ImplementsGetwd = false
pkg syscall (darwin-amd64), func Fchflags(string, int) error
pkg syscall (darwin-amd64-cgo), const ImplementsGetwd = false
pkg syscall (darwin-amd64-cgo), func Fchflags(string, int) error
pkg syscall (freebsd-386), const AF_MAX = 38
pkg syscall (freebsd-386), const DLT_MATCHING_MAX = 242
pkg syscall (freebsd-386), const ELAST = 94
pkg syscall (freebsd-386), const O_CLOEXEC = 0
pkg syscall (freebsd-386), func Fchflags(string, int) error
pkg syscall (freebsd-386-cgo), const AF_MAX = 38
pkg syscall (freebsd-386-cgo), const DLT_MATCHING_MAX = 242
pkg syscall (freebsd-386-cgo), const ELAST = 94
pkg syscall (freebsd-386-cgo), const O_CLOEXEC = 0
pkg syscall (freebsd-amd64), const AF_MAX = 38
pkg syscall (freebsd-amd64), const DLT_MATCHING_MAX = 242
pkg syscall (freebsd-amd64), const ELAST = 94
pkg syscall (freebsd-amd64), const O_CLOEXEC = 0
pkg syscall (freebsd-amd64), func Fchflags(string, int) error
pkg syscall (freebsd-amd64-cgo), const AF_MAX = 38
pkg syscall (freebsd-amd64-cgo), const DLT_MATCHING_MAX = 242
pkg syscall (freebsd-amd64-cgo), const ELAST = 94
pkg syscall (freebsd-amd64-cgo), const O_CLOEXEC = 0
pkg syscall (freebsd-arm), const AF_MAX = 38
pkg syscall (freebsd-arm), const BIOCGRTIMEOUT = 1074545262
pkg syscall (freebsd-arm), const BIOCSRTIMEOUT = 2148287085
pkg syscall (freebsd-arm), const ELAST = 94
pkg syscall (freebsd-arm), const O_CLOEXEC = 0
pkg syscall (freebsd-arm), const SIOCAIFADDR = 2151967019
pkg syscall (freebsd-arm), const SIOCGIFSTATUS = 3274991931
pkg syscall (freebsd-arm), const SIOCSIFPHYADDR = 2151967046
pkg syscall (freebsd-arm), const SYS_CAP_FCNTLS_GET = 537
pkg syscall (freebsd-arm), const SYS_CAP_FCNTLS_GET ideal-int
pkg syscall (freebsd-arm), const SYS_CAP_FCNTLS_LIMIT = 536
pkg syscall (freebsd-arm), const SYS_CAP_FCNTLS_LIMIT ideal-int
pkg syscall (freebsd-arm), const SYS_CAP_IOCTLS_GET = 535
pkg syscall (freebsd-arm), const SYS_CAP_IOCTLS_GET ideal-int
pkg syscall (freebsd-arm), const SYS_CAP_IOCTLS_LIMIT = 534
pkg syscall (freebsd-arm), const SYS_CAP_IOCTLS_LIMIT ideal-int
pkg syscall (freebsd-arm), const SYS_CAP_RIGHTS_GET = 515
pkg syscall (freebsd-arm), const SYS_CAP_RIGHTS_GET ideal-int
pkg syscall (freebsd-arm), const SYS_CAP_RIGHTS_LIMIT = 533
pkg syscall (freebsd-arm), const SYS_CAP_RIGHTS_LIMIT ideal-int
pkg syscall (freebsd-arm), const SizeofBpfHdr = 24
pkg syscall (freebsd-arm), const SizeofIfData = 88
pkg syscall (freebsd-arm), const SizeofIfMsghdr = 104
pkg syscall (freebsd-arm), const SizeofSockaddrDatalink = 56
pkg syscall (freebsd-arm), const SizeofSockaddrUnix = 108
pkg syscall (freebsd-arm), const TIOCTIMESTAMP = 1074558041
pkg syscall (freebsd-arm), func Fchflags(string, int) error
pkg syscall (freebsd-arm), type BpfHdr struct, Pad_cgo_0 [2]uint8
pkg syscall (freebsd-arm), type RawSockaddrDatalink struct, Pad_cgo_0 [2]uint8
pkg syscall (freebsd-arm), type RawSockaddrUnix struct, Pad_cgo_0 [2]uint8
pkg syscall (freebsd-arm), type Stat_t struct, Pad_cgo_0 [4]uint8
pkg syscall (freebsd-arm-cgo), const AF_MAX = 38
pkg syscall (freebsd-arm-cgo), const BIOCGRTIMEOUT = 1074545262
pkg syscall (freebsd-arm-cgo), const BIOCSRTIMEOUT = 2148287085
pkg syscall (freebsd-arm-cgo), const ELAST = 94
pkg syscall (freebsd-arm-cgo), const O_CLOEXEC = 0
pkg syscall (freebsd-arm-cgo), const SIOCAIFADDR = 2151967019
pkg syscall (freebsd-arm-cgo), const SIOCGIFSTATUS = 3274991931
pkg syscall (freebsd-arm-cgo), const SIOCSIFPHYADDR = 2151967046
pkg syscall (freebsd-arm-cgo), const SYS_CAP_FCNTLS_GET = 537
pkg syscall (freebsd-arm-cgo), const SYS_CAP_FCNTLS_GET ideal-int
pkg syscall (freebsd-arm-cgo), const SYS_CAP_FCNTLS_LIMIT = 536
pkg syscall (freebsd-arm-cgo), const SYS_CAP_FCNTLS_LIMIT ideal-int
pkg syscall (freebsd-arm-cgo), const SYS_CAP_IOCTLS_GET = 535
pkg syscall (freebsd-arm-cgo), const SYS_CAP_IOCTLS_GET ideal-int
pkg syscall (freebsd-arm-cgo), const SYS_CAP_IOCTLS_LIMIT = 534
pkg syscall (freebsd-arm-cgo), const SYS_CAP_IOCTLS_LIMIT ideal-int
pkg syscall (freebsd-arm-cgo), const SYS_CAP_RIGHTS_GET = 515
pkg syscall (freebsd-arm-cgo), const SYS_CAP_RIGHTS_GET ideal-int
pkg syscall (freebsd-arm-cgo), const SYS_CAP_RIGHTS_LIMIT = 533
pkg syscall (freebsd-arm-cgo), const SYS_CAP_RIGHTS_LIMIT ideal-int
pkg syscall (freebsd-arm-cgo), const SizeofBpfHdr = 24
pkg syscall (freebsd-arm-cgo), const SizeofIfData = 88
pkg syscall (freebsd-arm-cgo), const SizeofIfMsghdr = 104
pkg syscall (freebsd-arm-cgo), const SizeofSockaddrDatalink = 56
pkg syscall (freebsd-arm-cgo), const SizeofSockaddrUnix = 108
pkg syscall (freebsd-arm-cgo), const TIOCTIMESTAMP = 1074558041
pkg syscall (freebsd-arm-cgo), func Fchflags(string, int) error
pkg syscall (freebsd-arm-cgo), type BpfHdr struct, Pad_cgo_0 [2]uint8
pkg syscall (freebsd-arm-cgo), type RawSockaddrDatalink struct, Pad_cgo_0 [2]uint8
pkg syscall (freebsd-arm-cgo), type RawSockaddrUnix struct, Pad_cgo_0 [2]uint8
pkg syscall (freebsd-arm-cgo), type Stat_t struct, Pad_cgo_0 [4]uint8
pkg syscall (linux-386), type Cmsghdr struct, X__cmsg_data [0]uint8
pkg syscall (linux-386-cgo), type Cmsghdr struct, X__cmsg_data [0]uint8
pkg syscall (linux-amd64), type Cmsghdr struct, X__cmsg_data [0]uint8
pkg syscall (linux-amd64-cgo), type Cmsghdr struct, X__cmsg_data [0]uint8
pkg syscall (linux-arm), type Cmsghdr struct, X__cmsg_data [0]uint8
pkg syscall (linux-arm-cgo), type Cmsghdr struct, X__cmsg_data [0]uint8
pkg syscall (netbsd-arm), const SizeofIfData = 132
pkg syscall (netbsd-arm), func Fchflags(string, int) error
pkg syscall (netbsd-arm), type IfMsghdr struct, Pad_cgo_1 [4]uint8
pkg syscall (netbsd-arm-cgo), const SizeofIfData = 132
pkg syscall (netbsd-arm-cgo), func Fchflags(string, int) error
pkg syscall (netbsd-arm-cgo), type IfMsghdr struct, Pad_cgo_1 [4]uint8
pkg syscall (openbsd-386), const BIOCGRTIMEOUT = 1074283118
pkg syscall (openbsd-386), const BIOCSRTIMEOUT = 2148024941
pkg syscall (openbsd-386), const RTF_FMASK = 63496
pkg syscall (openbsd-386), const RTM_VERSION = 4
pkg syscall (openbsd-386), const SIOCBRDGDADDR = 2150132039
pkg syscall (openbsd-386), const SIOCBRDGGPARAM = 3224922456
pkg syscall (openbsd-386), const SIOCBRDGSADDR = 3223873860
pkg syscall (openbsd-386), const SYS_CLOCK_GETRES = 234
pkg syscall (openbsd-386), const SYS_CLOCK_GETTIME = 232
pkg syscall (openbsd-386), const SYS_CLOCK_SETTIME = 233
pkg syscall (openbsd-386), const SYS_FHSTATFS = 309
pkg syscall (openbsd-386), const SYS_FSTAT = 292
pkg syscall (openbsd-386), const SYS_FSTATAT = 316
pkg syscall (openbsd-386), const SYS_FSTATFS = 308
pkg syscall (openbsd-386), const SYS_FUTIMENS = 327
pkg syscall (openbsd-386), const SYS_FUTIMES = 206
pkg syscall (openbsd-386), const SYS_GETDIRENTRIES = 312
pkg syscall (openbsd-386), const SYS_GETDIRENTRIES ideal-int
pkg syscall (openbsd-386), const SYS_GETFSSTAT = 306
pkg syscall (openbsd-386), const SYS_GETITIMER = 86
pkg syscall (openbsd-386), const SYS_GETRUSAGE = 117
pkg syscall (openbsd-386), const SYS_GETTIMEOFDAY = 116
pkg syscall (openbsd-386), const SYS_KEVENT = 270
pkg syscall (openbsd-386), const SYS_LSTAT = 293
pkg syscall (openbsd-386), const SYS_NANOSLEEP = 240
pkg syscall (openbsd-386), const SYS_SELECT = 93
pkg syscall (openbsd-386), const SYS_SETITIMER = 83
pkg syscall (openbsd-386), const SYS_SETTIMEOFDAY = 122
pkg syscall (openbsd-386), const SYS_STAT = 291
pkg syscall (openbsd-386), const SYS_STATFS = 307
pkg syscall (openbsd-386), const SYS_UTIMENSAT = 326
pkg syscall (openbsd-386), const SYS_UTIMES = 138
pkg syscall (openbsd-386), const SYS_WAIT4 = 7
pkg syscall (openbsd-386), const SYS___THRSLEEP = 300
pkg syscall (openbsd-386), const SizeofIfData = 208
pkg syscall (openbsd-386), const SizeofIfMsghdr = 232
pkg syscall (openbsd-386), const SizeofRtMetrics = 48
pkg syscall (openbsd-386), const SizeofRtMsghdr = 88
pkg syscall (openbsd-386), const TIOCGTSTAMP = 1074295899
pkg syscall (openbsd-386), type Dirent struct, Fileno uint32
pkg syscall (openbsd-386), type FdSet struct, Bits [32]int32
pkg syscall (openbsd-386), type Kevent_t struct, Data int32
pkg syscall (openbsd-386), type Mclpool struct, Grown uint32
pkg syscall (openbsd-386), type RtMetrics struct, Expire uint32
pkg syscall (openbsd-386), type Stat_t struct, Ino uint32
pkg syscall (openbsd-386), type Stat_t struct, Lspare0 int32
pkg syscall (openbsd-386), type Stat_t struct, Lspare1 int32
pkg syscall (openbsd-386), type Stat_t struct, Qspare [2]int64
pkg syscall (openbsd-386), type Statfs_t struct, F_ctime uint32
pkg syscall (openbsd-386), type Statfs_t struct, F_spare [3]uint32
pkg syscall (openbsd-386), type Timespec struct, Sec int32
pkg syscall (openbsd-386), type Timeval struct, Sec int32
pkg syscall (openbsd-386-cgo), const BIOCGRTIMEOUT = 1074283118
pkg syscall (openbsd-386-cgo), const BIOCSRTIMEOUT = 2148024941
pkg syscall (openbsd-386-cgo), const RTF_FMASK = 63496
pkg syscall (openbsd-386-cgo), const RTM_VERSION = 4
pkg syscall (openbsd-386-cgo), const SIOCBRDGDADDR = 2150132039
pkg syscall (openbsd-386-cgo), const SIOCBRDGGPARAM = 3224922456
pkg syscall (openbsd-386-cgo), const SIOCBRDGSADDR = 3223873860
pkg syscall (openbsd-386-cgo), const SYS_CLOCK_GETRES = 234
pkg syscall (openbsd-386-cgo), const SYS_CLOCK_GETTIME = 232
pkg syscall (openbsd-386-cgo), const SYS_CLOCK_SETTIME = 233
pkg syscall (openbsd-386-cgo), const SYS_FHSTATFS = 309
pkg syscall (openbsd-386-cgo), const SYS_FSTAT = 292
pkg syscall (openbsd-386-cgo), const SYS_FSTATAT = 316
pkg syscall (openbsd-386-cgo), const SYS_FSTATFS = 308
pkg syscall (openbsd-386-cgo), const SYS_FUTIMENS = 327
pkg syscall (openbsd-386-cgo), const SYS_FUTIMES = 206
pkg syscall (openbsd-386-cgo), const SYS_GETDIRENTRIES = 312
pkg syscall (openbsd-386-cgo), const SYS_GETDIRENTRIES ideal-int
pkg syscall (openbsd-386-cgo), const SYS_GETFSSTAT = 306
pkg syscall (openbsd-386-cgo), const SYS_GETITIMER = 86
pkg syscall (openbsd-386-cgo), const SYS_GETRUSAGE = 117
pkg syscall (openbsd-386-cgo), const SYS_GETTIMEOFDAY = 116
pkg syscall (openbsd-386-cgo), const SYS_KEVENT = 270
pkg syscall (openbsd-386-cgo), const SYS_LSTAT = 293
pkg syscall (openbsd-386-cgo), const SYS_NANOSLEEP = 240
pkg syscall (openbsd-386-cgo), const SYS_SELECT = 93
pkg syscall (openbsd-386-cgo), const SYS_SETITIMER = 83
pkg syscall (openbsd-386-cgo), const SYS_SETTIMEOFDAY = 122
pkg syscall (openbsd-386-cgo), const SYS_STAT = 291
pkg syscall (openbsd-386-cgo), const SYS_STATFS = 307
pkg syscall (openbsd-386-cgo), const SYS_UTIMENSAT = 326
pkg syscall (openbsd-386-cgo), const SYS_UTIMES = 138
pkg syscall (openbsd-386-cgo), const SYS_WAIT4 = 7
pkg syscall (openbsd-386-cgo), const SYS___THRSLEEP = 300
pkg syscall (openbsd-386-cgo), const SizeofIfData = 208
pkg syscall (openbsd-386-cgo), const SizeofIfMsghdr = 232
pkg syscall (openbsd-386-cgo), const SizeofRtMetrics = 48
pkg syscall (openbsd-386-cgo), const SizeofRtMsghdr = 88
pkg syscall (openbsd-386-cgo), const TIOCGTSTAMP = 1074295899
pkg syscall (openbsd-386-cgo), type Dirent struct, Fileno uint32
pkg syscall (openbsd-386-cgo), type FdSet struct, Bits [32]int32
pkg syscall (openbsd-386-cgo), type Kevent_t struct, Data int32
pkg syscall (openbsd-386-cgo), type Mclpool struct, Grown uint32
pkg syscall (openbsd-386-cgo), type RtMetrics struct, Expire uint32
pkg syscall (openbsd-386-cgo), type Stat_t struct, Ino uint32
pkg syscall (openbsd-386-cgo), type Stat_t struct, Lspare0 int32
pkg syscall (openbsd-386-cgo), type Stat_t struct, Lspare1 int32
pkg syscall (openbsd-386-cgo), type Stat_t struct, Qspare [2]int64
pkg syscall (openbsd-386-cgo), type Statfs_t struct, F_ctime uint32
pkg syscall (openbsd-386-cgo), type Statfs_t struct, F_spare [3]uint32
pkg syscall (openbsd-386-cgo), type Timespec struct, Sec int32
pkg syscall (openbsd-386-cgo), type Timeval struct, Sec int32
pkg syscall (openbsd-amd64), const CCR0_FLUSH = 16
pkg syscall (openbsd-amd64), const CCR0_FLUSH ideal-int
pkg syscall (openbsd-amd64), const CPUID_CFLUSH = 524288
pkg syscall (openbsd-amd64), const CPUID_CFLUSH ideal-int
pkg syscall (openbsd-amd64), const EFER_LMA = 1024
pkg syscall (openbsd-amd64), const EFER_LMA ideal-int
pkg syscall (openbsd-amd64), const EFER_LME = 256
pkg syscall (openbsd-amd64), const EFER_LME ideal-int
pkg syscall (openbsd-amd64), const EFER_NXE = 2048
pkg syscall (openbsd-amd64), const EFER_NXE ideal-int
pkg syscall (openbsd-amd64), const EFER_SCE = 1
pkg syscall (openbsd-amd64), const EFER_SCE ideal-int
pkg syscall (openbsd-amd64), const PMC5_PIPELINE_FLUSH = 21
pkg syscall (openbsd-amd64), const PMC5_PIPELINE_FLUSH ideal-int
pkg syscall (openbsd-amd64), const RTF_FMASK = 63496
pkg syscall (openbsd-amd64), const RTM_VERSION = 4
pkg syscall (openbsd-amd64), const SIOCBRDGDADDR = 2150132039
pkg syscall (openbsd-amd64), const SIOCBRDGSADDR = 3223873860
pkg syscall (openbsd-amd64), const SYS_CLOCK_GETRES = 234
pkg syscall (openbsd-amd64), const SYS_CLOCK_GETTIME = 232
pkg syscall (openbsd-amd64), const SYS_CLOCK_SETTIME = 233
pkg syscall (openbsd-amd64), const SYS_FHSTATFS = 309
pkg syscall (openbsd-amd64), const SYS_FSTAT = 292
pkg syscall (openbsd-amd64), const SYS_FSTATAT = 316
pkg syscall (openbsd-amd64), const SYS_FSTATFS = 308
pkg syscall (openbsd-amd64), const SYS_FUTIMENS = 327
pkg syscall (openbsd-amd64), const SYS_FUTIMES = 206
pkg syscall (openbsd-amd64), const SYS_GETDIRENTRIES = 312
pkg syscall (openbsd-amd64), const SYS_GETDIRENTRIES ideal-int
pkg syscall (openbsd-amd64), const SYS_GETFSSTAT = 306
pkg syscall (openbsd-amd64), const SYS_GETITIMER = 86
pkg syscall (openbsd-amd64), const SYS_GETRUSAGE = 117
pkg syscall (openbsd-amd64), const SYS_GETTIMEOFDAY = 116
pkg syscall (openbsd-amd64), const SYS_KEVENT = 270
pkg syscall (openbsd-amd64), const SYS_LSTAT = 293
pkg syscall (openbsd-amd64), const SYS_NANOSLEEP = 240
pkg syscall (openbsd-amd64), const SYS_SELECT = 93
pkg syscall (openbsd-amd64), const SYS_SETITIMER = 83
pkg syscall (openbsd-amd64), const SYS_SETTIMEOFDAY = 122
pkg syscall (openbsd-amd64), const SYS_STAT = 291
pkg syscall (openbsd-amd64), const SYS_STATFS = 307
pkg syscall (openbsd-amd64), const SYS_UTIMENSAT = 326
pkg syscall (openbsd-amd64), const SYS_UTIMES = 138
pkg syscall (openbsd-amd64), const SYS_WAIT4 = 7
pkg syscall (openbsd-amd64), const SYS___THRSLEEP = 300
pkg syscall (openbsd-amd64), const SizeofRtMetrics = 48
pkg syscall (openbsd-amd64), const SizeofRtMsghdr = 88
pkg syscall (openbsd-amd64), type Dirent struct, Fileno uint32
pkg syscall (openbsd-amd64), type FdSet struct, Bits [32]int32
pkg syscall (openbsd-amd64), type Kevent_t struct, Data int32
pkg syscall (openbsd-amd64), type Kevent_t struct, Ident uint32
pkg syscall (openbsd-amd64), type Mclpool struct, Grown uint32
pkg syscall (openbsd-amd64), type RtMetrics struct, Expire uint32
pkg syscall (openbsd-amd64), type Stat_t struct, Ino uint32
pkg syscall (openbsd-amd64), type Stat_t struct, Lspare0 int32
pkg syscall (openbsd-amd64), type Stat_t struct, Lspare1 int32
pkg syscall (openbsd-amd64), type Stat_t struct, Qspare [2]int64
pkg syscall (openbsd-amd64), type Statfs_t struct, F_ctime uint32
pkg syscall (openbsd-amd64), type Statfs_t struct, F_spare [3]uint32
pkg syscall (openbsd-amd64), type Statfs_t struct, Pad_cgo_1 [4]uint8
pkg syscall (openbsd-amd64), type Timespec struct, Pad_cgo_0 [4]uint8
pkg syscall (openbsd-amd64), type Timespec struct, Sec int32
pkg syscall (openbsd-amd64-cgo), const CCR0_FLUSH = 16
pkg syscall (openbsd-amd64-cgo), const CCR0_FLUSH ideal-int
pkg syscall (openbsd-amd64-cgo), const CPUID_CFLUSH = 524288
pkg syscall (openbsd-amd64-cgo), const CPUID_CFLUSH ideal-int
pkg syscall (openbsd-amd64-cgo), const EFER_LMA = 1024
pkg syscall (openbsd-amd64-cgo), const EFER_LMA ideal-int
pkg syscall (openbsd-amd64-cgo), const EFER_LME = 256
pkg syscall (openbsd-amd64-cgo), const EFER_LME ideal-int
pkg syscall (openbsd-amd64-cgo), const EFER_NXE = 2048
pkg syscall (openbsd-amd64-cgo), const EFER_NXE ideal-int
pkg syscall (openbsd-amd64-cgo), const EFER_SCE = 1
pkg syscall (openbsd-amd64-cgo), const EFER_SCE ideal-int
pkg syscall (openbsd-amd64-cgo), const PMC5_PIPELINE_FLUSH = 21
pkg syscall (openbsd-amd64-cgo), const PMC5_PIPELINE_FLUSH ideal-int
pkg syscall (openbsd-amd64-cgo), const RTF_FMASK = 63496
pkg syscall (openbsd-amd64-cgo), const RTM_VERSION = 4
pkg syscall (openbsd-amd64-cgo), const SIOCBRDGDADDR = 2150132039
pkg syscall (openbsd-amd64-cgo), const SIOCBRDGSADDR = 3223873860
pkg syscall (openbsd-amd64-cgo), const SYS_CLOCK_GETRES = 234
pkg syscall (openbsd-amd64-cgo), const SYS_CLOCK_GETTIME = 232
pkg syscall (openbsd-amd64-cgo), const SYS_CLOCK_SETTIME = 233
pkg syscall (openbsd-amd64-cgo), const SYS_FHSTATFS = 309
pkg syscall (openbsd-amd64-cgo), const SYS_FSTAT = 292
pkg syscall (openbsd-amd64-cgo), const SYS_FSTATAT = 316
pkg syscall (openbsd-amd64-cgo), const SYS_FSTATFS = 308
pkg syscall (openbsd-amd64-cgo), const SYS_FUTIMENS = 327
pkg syscall (openbsd-amd64-cgo), const SYS_FUTIMES = 206
pkg syscall (openbsd-amd64-cgo), const SYS_GETDIRENTRIES = 312
pkg syscall (openbsd-amd64-cgo), const SYS_GETDIRENTRIES ideal-int
pkg syscall (openbsd-amd64-cgo), const SYS_GETFSSTAT = 306
pkg syscall (openbsd-amd64-cgo), const SYS_GETITIMER = 86
pkg syscall (openbsd-amd64-cgo), const SYS_GETRUSAGE = 117
pkg syscall (openbsd-amd64-cgo), const SYS_GETTIMEOFDAY = 116
pkg syscall (openbsd-amd64-cgo), const SYS_KEVENT = 270
pkg syscall (openbsd-amd64-cgo), const SYS_LSTAT = 293
pkg syscall (openbsd-amd64-cgo), const SYS_NANOSLEEP = 240
pkg syscall (openbsd-amd64-cgo), const SYS_SELECT = 93
pkg syscall (openbsd-amd64-cgo), const SYS_SETITIMER = 83
pkg syscall (openbsd-amd64-cgo), const SYS_SETTIMEOFDAY = 122
pkg syscall (openbsd-amd64-cgo), const SYS_STAT = 291
pkg syscall (openbsd-amd64-cgo), const SYS_STATFS = 307
pkg syscall (openbsd-amd64-cgo), const SYS_UTIMENSAT = 326
pkg syscall (openbsd-amd64-cgo), const SYS_UTIMES = 138
pkg syscall (openbsd-amd64-cgo), const SYS_WAIT4 = 7
pkg syscall (openbsd-amd64-cgo), const SYS___THRSLEEP = 300
pkg syscall (openbsd-amd64-cgo), const SizeofRtMetrics = 48
pkg syscall (openbsd-amd64-cgo), const SizeofRtMsghdr = 88
pkg syscall (openbsd-amd64-cgo), type Dirent struct, Fileno uint32
pkg syscall (openbsd-amd64-cgo), type FdSet struct, Bits [32]int32
pkg syscall (openbsd-amd64-cgo), type Kevent_t struct, Data int32
pkg syscall (openbsd-amd64-cgo), type Kevent_t struct, Ident uint32
pkg syscall (openbsd-amd64-cgo), type Mclpool struct, Grown uint32
pkg syscall (openbsd-amd64-cgo), type RtMetrics struct, Expire uint32
pkg syscall (openbsd-amd64-cgo), type Stat_t struct, Ino uint32
pkg syscall (openbsd-amd64-cgo), type Stat_t struct, Lspare0 int32
pkg syscall (openbsd-amd64-cgo), type Stat_t struct, Lspare1 int32
pkg syscall (openbsd-amd64-cgo), type Stat_t struct, Qspare [2]int64
pkg syscall (openbsd-amd64-cgo), type Statfs_t struct, F_ctime uint32
pkg syscall (openbsd-amd64-cgo), type Statfs_t struct, F_spare [3]uint32
pkg syscall (openbsd-amd64-cgo), type Statfs_t struct, Pad_cgo_1 [4]uint8
pkg syscall (openbsd-amd64-cgo), type Timespec struct, Pad_cgo_0 [4]uint8
pkg syscall (openbsd-amd64-cgo), type Timespec struct, Sec int32
pkg testing, func RegisterCover(Cover)
pkg testing, func MainStart(func(string, string) (bool, error), []InternalTest, []InternalBenchmark, []InternalExample) *M
pkg text/template/parse, type DotNode bool
pkg text/template/parse, type Node interface { Copy, String, Type }
pkg unicode, const Version = "6.2.0"
pkg unicode, const Version = "6.3.0"
pkg unicode, const Version = "7.0.0"
pkg unicode, const Version = "8.0.0"
pkg syscall (openbsd-386), const SYS_KILL = 37
pkg syscall (openbsd-386-cgo), const SYS_KILL = 37
pkg syscall (openbsd-amd64), const SYS_KILL = 37
pkg syscall (openbsd-amd64-cgo), const SYS_KILL = 37

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@@ -1,604 +0,0 @@
# CL 134210043 archive/zip: add Writer.Flush, Brad Fitzpatrick <bradfitz@golang.org>
pkg archive/zip, method (*Writer) Flush() error
# CL 97140043 compress/flate: add Reset() to allow reusing large buffers to compress multiple buffers, James Robinson <jamesr@google.com>
pkg compress/flate, type Resetter interface { Reset }
pkg compress/flate, type Resetter interface, Reset(io.Reader, []uint8) error
pkg compress/zlib, type Resetter interface { Reset }
pkg compress/zlib, type Resetter interface, Reset(io.Reader, []uint8) error
# CL 159120044 compress/gzip: allow stopping at end of first stream, Russ Cox <rsc@golang.org>
pkg compress/gzip, method (*Reader) Multistream(bool)
# CL 138800043 crypto: Add SHA3 functions in go.crypto/sha3 to the Hash enum., David Leon Gil <coruus@gmail.com>
pkg crypto, const SHA3_224 = 10
pkg crypto, const SHA3_224 Hash
pkg crypto, const SHA3_256 = 11
pkg crypto, const SHA3_256 Hash
pkg crypto, const SHA3_384 = 12
pkg crypto, const SHA3_384 Hash
pkg crypto, const SHA3_512 = 13
pkg crypto, const SHA3_512 Hash
# CL 114680043 crypto: add Signer, Adam Langley <agl@golang.org>
pkg crypto, method (Hash) HashFunc() Hash
pkg crypto, type Signer interface { Public, Sign }
pkg crypto, type Signer interface, Public() PublicKey
pkg crypto, type Signer interface, Sign(io.Reader, []uint8, SignerOpts) ([]uint8, error)
pkg crypto, type SignerOpts interface { HashFunc }
pkg crypto, type SignerOpts interface, HashFunc() Hash
pkg crypto/ecdsa, method (*PrivateKey) Public() crypto.PublicKey
pkg crypto/ecdsa, method (*PrivateKey) Sign(io.Reader, []uint8, crypto.SignerOpts) ([]uint8, error)
pkg crypto/rsa, method (*PSSOptions) HashFunc() crypto.Hash
pkg crypto/rsa, method (*PrivateKey) Public() crypto.PublicKey
pkg crypto/rsa, method (*PrivateKey) Sign(io.Reader, []uint8, crypto.SignerOpts) ([]uint8, error)
pkg crypto/rsa, type PSSOptions struct, Hash crypto.Hash
# CL 157090043 crypto/tls: support TLS_FALLBACK_SCSV as a server., Adam Langley <agl@golang.org>
pkg crypto/tls, const TLS_FALLBACK_SCSV = 22016
pkg crypto/tls, const TLS_FALLBACK_SCSV uint16
# CL 107400043 crypto/tls: Added dynamic alternative to NameToCertificate map for SNI, Percy Wegmann <ox.to.a.cart@gmail.com>
pkg crypto/tls, type ClientHelloInfo struct
pkg crypto/tls, type ClientHelloInfo struct, CipherSuites []uint16
pkg crypto/tls, type ClientHelloInfo struct, ServerName string
pkg crypto/tls, type ClientHelloInfo struct, SupportedCurves []CurveID
pkg crypto/tls, type ClientHelloInfo struct, SupportedPoints []uint8
pkg crypto/tls, type Config struct, GetCertificate func(*ClientHelloInfo) (*Certificate, error)
pkg crypto/tls, type ConnectionState struct, TLSUnique []uint8
# CL 153420045 crypto/x509: continue to recognise MaxPathLen of zero as "no value"., Adam Langley <agl@golang.org>
pkg crypto/x509, type Certificate struct, MaxPathLenZero bool
# CL 158950043 database/sql: add Drivers, returning list of registered drivers, Russ Cox <rsc@golang.org>
pkg database/sql, func Drivers() []string
# CL 117280043 debug/dwarf: fix Reader panic on DW_TAG_unspecified_type, Derek Parker <parkerderek86@gmail.com>
pkg debug/dwarf, method (*UnspecifiedType) Basic() *BasicType
pkg debug/dwarf, method (*UnspecifiedType) Common() *CommonType
pkg debug/dwarf, method (*UnspecifiedType) Size() int64
pkg debug/dwarf, method (*UnspecifiedType) String() string
pkg debug/dwarf, type UnspecifiedType struct
pkg debug/dwarf, type UnspecifiedType struct, embedded BasicType
# CL 132000043 debug/elf: support arm64 relocations, Michael Hudson-Doyle <michael.hudson@linaro.org>
pkg debug/elf, const EM_AARCH64 = 183
pkg debug/elf, const EM_AARCH64 Machine
pkg debug/elf, const R_AARCH64_ABS16 = 259
pkg debug/elf, const R_AARCH64_ABS16 R_AARCH64
pkg debug/elf, const R_AARCH64_ABS32 = 258
pkg debug/elf, const R_AARCH64_ABS32 R_AARCH64
pkg debug/elf, const R_AARCH64_ABS64 = 257
pkg debug/elf, const R_AARCH64_ABS64 R_AARCH64
pkg debug/elf, const R_AARCH64_ADD_ABS_LO12_NC = 277
pkg debug/elf, const R_AARCH64_ADD_ABS_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_ADR_GOT_PAGE = 311
pkg debug/elf, const R_AARCH64_ADR_GOT_PAGE R_AARCH64
pkg debug/elf, const R_AARCH64_ADR_PREL_LO21 = 274
pkg debug/elf, const R_AARCH64_ADR_PREL_LO21 R_AARCH64
pkg debug/elf, const R_AARCH64_ADR_PREL_PG_HI21 = 275
pkg debug/elf, const R_AARCH64_ADR_PREL_PG_HI21 R_AARCH64
pkg debug/elf, const R_AARCH64_ADR_PREL_PG_HI21_NC = 276
pkg debug/elf, const R_AARCH64_ADR_PREL_PG_HI21_NC R_AARCH64
pkg debug/elf, const R_AARCH64_CALL26 = 283
pkg debug/elf, const R_AARCH64_CALL26 R_AARCH64
pkg debug/elf, const R_AARCH64_CONDBR19 = 280
pkg debug/elf, const R_AARCH64_CONDBR19 R_AARCH64
pkg debug/elf, const R_AARCH64_COPY = 1024
pkg debug/elf, const R_AARCH64_COPY R_AARCH64
pkg debug/elf, const R_AARCH64_GLOB_DAT = 1025
pkg debug/elf, const R_AARCH64_GLOB_DAT R_AARCH64
pkg debug/elf, const R_AARCH64_GOT_LD_PREL19 = 309
pkg debug/elf, const R_AARCH64_GOT_LD_PREL19 R_AARCH64
pkg debug/elf, const R_AARCH64_IRELATIVE = 1032
pkg debug/elf, const R_AARCH64_IRELATIVE R_AARCH64
pkg debug/elf, const R_AARCH64_JUMP26 = 282
pkg debug/elf, const R_AARCH64_JUMP26 R_AARCH64
pkg debug/elf, const R_AARCH64_JUMP_SLOT = 1026
pkg debug/elf, const R_AARCH64_JUMP_SLOT R_AARCH64
pkg debug/elf, const R_AARCH64_LD64_GOT_LO12_NC = 312
pkg debug/elf, const R_AARCH64_LD64_GOT_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_LDST128_ABS_LO12_NC = 299
pkg debug/elf, const R_AARCH64_LDST128_ABS_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_LDST16_ABS_LO12_NC = 284
pkg debug/elf, const R_AARCH64_LDST16_ABS_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_LDST32_ABS_LO12_NC = 285
pkg debug/elf, const R_AARCH64_LDST32_ABS_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_LDST64_ABS_LO12_NC = 286
pkg debug/elf, const R_AARCH64_LDST64_ABS_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_LDST8_ABS_LO12_NC = 278
pkg debug/elf, const R_AARCH64_LDST8_ABS_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_LD_PREL_LO19 = 273
pkg debug/elf, const R_AARCH64_LD_PREL_LO19 R_AARCH64
pkg debug/elf, const R_AARCH64_MOVW_SABS_G0 = 270
pkg debug/elf, const R_AARCH64_MOVW_SABS_G0 R_AARCH64
pkg debug/elf, const R_AARCH64_MOVW_SABS_G1 = 271
pkg debug/elf, const R_AARCH64_MOVW_SABS_G1 R_AARCH64
pkg debug/elf, const R_AARCH64_MOVW_SABS_G2 = 272
pkg debug/elf, const R_AARCH64_MOVW_SABS_G2 R_AARCH64
pkg debug/elf, const R_AARCH64_MOVW_UABS_G0 = 263
pkg debug/elf, const R_AARCH64_MOVW_UABS_G0 R_AARCH64
pkg debug/elf, const R_AARCH64_MOVW_UABS_G0_NC = 264
pkg debug/elf, const R_AARCH64_MOVW_UABS_G0_NC R_AARCH64
pkg debug/elf, const R_AARCH64_MOVW_UABS_G1 = 265
pkg debug/elf, const R_AARCH64_MOVW_UABS_G1 R_AARCH64
pkg debug/elf, const R_AARCH64_MOVW_UABS_G1_NC = 266
pkg debug/elf, const R_AARCH64_MOVW_UABS_G1_NC R_AARCH64
pkg debug/elf, const R_AARCH64_MOVW_UABS_G2 = 267
pkg debug/elf, const R_AARCH64_MOVW_UABS_G2 R_AARCH64
pkg debug/elf, const R_AARCH64_MOVW_UABS_G2_NC = 268
pkg debug/elf, const R_AARCH64_MOVW_UABS_G2_NC R_AARCH64
pkg debug/elf, const R_AARCH64_MOVW_UABS_G3 = 269
pkg debug/elf, const R_AARCH64_MOVW_UABS_G3 R_AARCH64
pkg debug/elf, const R_AARCH64_NONE = 0
pkg debug/elf, const R_AARCH64_NONE R_AARCH64
pkg debug/elf, const R_AARCH64_NULL = 256
pkg debug/elf, const R_AARCH64_NULL R_AARCH64
pkg debug/elf, const R_AARCH64_P32_ABS16 = 2
pkg debug/elf, const R_AARCH64_P32_ABS16 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_ABS32 = 1
pkg debug/elf, const R_AARCH64_P32_ABS32 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_ADD_ABS_LO12_NC = 12
pkg debug/elf, const R_AARCH64_P32_ADD_ABS_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_P32_ADR_GOT_PAGE = 26
pkg debug/elf, const R_AARCH64_P32_ADR_GOT_PAGE R_AARCH64
pkg debug/elf, const R_AARCH64_P32_ADR_PREL_LO21 = 10
pkg debug/elf, const R_AARCH64_P32_ADR_PREL_LO21 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_ADR_PREL_PG_HI21 = 11
pkg debug/elf, const R_AARCH64_P32_ADR_PREL_PG_HI21 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_CALL26 = 21
pkg debug/elf, const R_AARCH64_P32_CALL26 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_CONDBR19 = 19
pkg debug/elf, const R_AARCH64_P32_CONDBR19 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_COPY = 180
pkg debug/elf, const R_AARCH64_P32_COPY R_AARCH64
pkg debug/elf, const R_AARCH64_P32_GLOB_DAT = 181
pkg debug/elf, const R_AARCH64_P32_GLOB_DAT R_AARCH64
pkg debug/elf, const R_AARCH64_P32_GOT_LD_PREL19 = 25
pkg debug/elf, const R_AARCH64_P32_GOT_LD_PREL19 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_IRELATIVE = 188
pkg debug/elf, const R_AARCH64_P32_IRELATIVE R_AARCH64
pkg debug/elf, const R_AARCH64_P32_JUMP26 = 20
pkg debug/elf, const R_AARCH64_P32_JUMP26 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_JUMP_SLOT = 182
pkg debug/elf, const R_AARCH64_P32_JUMP_SLOT R_AARCH64
pkg debug/elf, const R_AARCH64_P32_LD32_GOT_LO12_NC = 27
pkg debug/elf, const R_AARCH64_P32_LD32_GOT_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_P32_LDST128_ABS_LO12_NC = 17
pkg debug/elf, const R_AARCH64_P32_LDST128_ABS_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_P32_LDST16_ABS_LO12_NC = 14
pkg debug/elf, const R_AARCH64_P32_LDST16_ABS_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_P32_LDST32_ABS_LO12_NC = 15
pkg debug/elf, const R_AARCH64_P32_LDST32_ABS_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_P32_LDST64_ABS_LO12_NC = 16
pkg debug/elf, const R_AARCH64_P32_LDST64_ABS_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_P32_LDST8_ABS_LO12_NC = 13
pkg debug/elf, const R_AARCH64_P32_LDST8_ABS_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_P32_LD_PREL_LO19 = 9
pkg debug/elf, const R_AARCH64_P32_LD_PREL_LO19 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_MOVW_SABS_G0 = 8
pkg debug/elf, const R_AARCH64_P32_MOVW_SABS_G0 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_MOVW_UABS_G0 = 5
pkg debug/elf, const R_AARCH64_P32_MOVW_UABS_G0 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_MOVW_UABS_G0_NC = 6
pkg debug/elf, const R_AARCH64_P32_MOVW_UABS_G0_NC R_AARCH64
pkg debug/elf, const R_AARCH64_P32_MOVW_UABS_G1 = 7
pkg debug/elf, const R_AARCH64_P32_MOVW_UABS_G1 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_PREL16 = 4
pkg debug/elf, const R_AARCH64_P32_PREL16 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_PREL32 = 3
pkg debug/elf, const R_AARCH64_P32_PREL32 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_RELATIVE = 183
pkg debug/elf, const R_AARCH64_P32_RELATIVE R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLSDESC = 187
pkg debug/elf, const R_AARCH64_P32_TLSDESC R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLSDESC_ADD_LO12_NC = 126
pkg debug/elf, const R_AARCH64_P32_TLSDESC_ADD_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLSDESC_ADR_PAGE21 = 124
pkg debug/elf, const R_AARCH64_P32_TLSDESC_ADR_PAGE21 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLSDESC_ADR_PREL21 = 123
pkg debug/elf, const R_AARCH64_P32_TLSDESC_ADR_PREL21 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLSDESC_CALL = 127
pkg debug/elf, const R_AARCH64_P32_TLSDESC_CALL R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLSDESC_LD32_LO12_NC = 125
pkg debug/elf, const R_AARCH64_P32_TLSDESC_LD32_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLSDESC_LD_PREL19 = 122
pkg debug/elf, const R_AARCH64_P32_TLSDESC_LD_PREL19 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLSGD_ADD_LO12_NC = 82
pkg debug/elf, const R_AARCH64_P32_TLSGD_ADD_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLSGD_ADR_PAGE21 = 81
pkg debug/elf, const R_AARCH64_P32_TLSGD_ADR_PAGE21 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLSIE_ADR_GOTTPREL_PAGE21 = 103
pkg debug/elf, const R_AARCH64_P32_TLSIE_ADR_GOTTPREL_PAGE21 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLSIE_LD32_GOTTPREL_LO12_NC = 104
pkg debug/elf, const R_AARCH64_P32_TLSIE_LD32_GOTTPREL_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLSIE_LD_GOTTPREL_PREL19 = 105
pkg debug/elf, const R_AARCH64_P32_TLSIE_LD_GOTTPREL_PREL19 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLSLE_ADD_TPREL_HI12 = 109
pkg debug/elf, const R_AARCH64_P32_TLSLE_ADD_TPREL_HI12 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLSLE_ADD_TPREL_LO12 = 110
pkg debug/elf, const R_AARCH64_P32_TLSLE_ADD_TPREL_LO12 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLSLE_ADD_TPREL_LO12_NC = 111
pkg debug/elf, const R_AARCH64_P32_TLSLE_ADD_TPREL_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLSLE_MOVW_TPREL_G0 = 107
pkg debug/elf, const R_AARCH64_P32_TLSLE_MOVW_TPREL_G0 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLSLE_MOVW_TPREL_G0_NC = 108
pkg debug/elf, const R_AARCH64_P32_TLSLE_MOVW_TPREL_G0_NC R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLSLE_MOVW_TPREL_G1 = 106
pkg debug/elf, const R_AARCH64_P32_TLSLE_MOVW_TPREL_G1 R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLS_DTPMOD = 184
pkg debug/elf, const R_AARCH64_P32_TLS_DTPMOD R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLS_DTPREL = 185
pkg debug/elf, const R_AARCH64_P32_TLS_DTPREL R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TLS_TPREL = 186
pkg debug/elf, const R_AARCH64_P32_TLS_TPREL R_AARCH64
pkg debug/elf, const R_AARCH64_P32_TSTBR14 = 18
pkg debug/elf, const R_AARCH64_P32_TSTBR14 R_AARCH64
pkg debug/elf, const R_AARCH64_PREL16 = 262
pkg debug/elf, const R_AARCH64_PREL16 R_AARCH64
pkg debug/elf, const R_AARCH64_PREL32 = 261
pkg debug/elf, const R_AARCH64_PREL32 R_AARCH64
pkg debug/elf, const R_AARCH64_PREL64 = 260
pkg debug/elf, const R_AARCH64_PREL64 R_AARCH64
pkg debug/elf, const R_AARCH64_RELATIVE = 1027
pkg debug/elf, const R_AARCH64_RELATIVE R_AARCH64
pkg debug/elf, const R_AARCH64_TLSDESC = 1031
pkg debug/elf, const R_AARCH64_TLSDESC R_AARCH64
pkg debug/elf, const R_AARCH64_TLSDESC_ADD = 568
pkg debug/elf, const R_AARCH64_TLSDESC_ADD R_AARCH64
pkg debug/elf, const R_AARCH64_TLSDESC_ADD_LO12_NC = 564
pkg debug/elf, const R_AARCH64_TLSDESC_ADD_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_TLSDESC_ADR_PAGE21 = 562
pkg debug/elf, const R_AARCH64_TLSDESC_ADR_PAGE21 R_AARCH64
pkg debug/elf, const R_AARCH64_TLSDESC_ADR_PREL21 = 561
pkg debug/elf, const R_AARCH64_TLSDESC_ADR_PREL21 R_AARCH64
pkg debug/elf, const R_AARCH64_TLSDESC_CALL = 569
pkg debug/elf, const R_AARCH64_TLSDESC_CALL R_AARCH64
pkg debug/elf, const R_AARCH64_TLSDESC_LD64_LO12_NC = 563
pkg debug/elf, const R_AARCH64_TLSDESC_LD64_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_TLSDESC_LDR = 567
pkg debug/elf, const R_AARCH64_TLSDESC_LDR R_AARCH64
pkg debug/elf, const R_AARCH64_TLSDESC_LD_PREL19 = 560
pkg debug/elf, const R_AARCH64_TLSDESC_LD_PREL19 R_AARCH64
pkg debug/elf, const R_AARCH64_TLSDESC_OFF_G0_NC = 566
pkg debug/elf, const R_AARCH64_TLSDESC_OFF_G0_NC R_AARCH64
pkg debug/elf, const R_AARCH64_TLSDESC_OFF_G1 = 565
pkg debug/elf, const R_AARCH64_TLSDESC_OFF_G1 R_AARCH64
pkg debug/elf, const R_AARCH64_TLSGD_ADD_LO12_NC = 514
pkg debug/elf, const R_AARCH64_TLSGD_ADD_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_TLSGD_ADR_PAGE21 = 513
pkg debug/elf, const R_AARCH64_TLSGD_ADR_PAGE21 R_AARCH64
pkg debug/elf, const R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 = 541
pkg debug/elf, const R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 R_AARCH64
pkg debug/elf, const R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC = 542
pkg debug/elf, const R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_TLSIE_LD_GOTTPREL_PREL19 = 543
pkg debug/elf, const R_AARCH64_TLSIE_LD_GOTTPREL_PREL19 R_AARCH64
pkg debug/elf, const R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC = 540
pkg debug/elf, const R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC R_AARCH64
pkg debug/elf, const R_AARCH64_TLSIE_MOVW_GOTTPREL_G1 = 539
pkg debug/elf, const R_AARCH64_TLSIE_MOVW_GOTTPREL_G1 R_AARCH64
pkg debug/elf, const R_AARCH64_TLSLE_ADD_TPREL_HI12 = 549
pkg debug/elf, const R_AARCH64_TLSLE_ADD_TPREL_HI12 R_AARCH64
pkg debug/elf, const R_AARCH64_TLSLE_ADD_TPREL_LO12 = 550
pkg debug/elf, const R_AARCH64_TLSLE_ADD_TPREL_LO12 R_AARCH64
pkg debug/elf, const R_AARCH64_TLSLE_ADD_TPREL_LO12_NC = 551
pkg debug/elf, const R_AARCH64_TLSLE_ADD_TPREL_LO12_NC R_AARCH64
pkg debug/elf, const R_AARCH64_TLSLE_MOVW_TPREL_G0 = 547
pkg debug/elf, const R_AARCH64_TLSLE_MOVW_TPREL_G0 R_AARCH64
pkg debug/elf, const R_AARCH64_TLSLE_MOVW_TPREL_G0_NC = 548
pkg debug/elf, const R_AARCH64_TLSLE_MOVW_TPREL_G0_NC R_AARCH64
pkg debug/elf, const R_AARCH64_TLSLE_MOVW_TPREL_G1 = 545
pkg debug/elf, const R_AARCH64_TLSLE_MOVW_TPREL_G1 R_AARCH64
pkg debug/elf, const R_AARCH64_TLSLE_MOVW_TPREL_G1_NC = 546
pkg debug/elf, const R_AARCH64_TLSLE_MOVW_TPREL_G1_NC R_AARCH64
pkg debug/elf, const R_AARCH64_TLSLE_MOVW_TPREL_G2 = 544
pkg debug/elf, const R_AARCH64_TLSLE_MOVW_TPREL_G2 R_AARCH64
pkg debug/elf, const R_AARCH64_TLS_DTPMOD64 = 1028
pkg debug/elf, const R_AARCH64_TLS_DTPMOD64 R_AARCH64
pkg debug/elf, const R_AARCH64_TLS_DTPREL64 = 1029
pkg debug/elf, const R_AARCH64_TLS_DTPREL64 R_AARCH64
pkg debug/elf, const R_AARCH64_TLS_TPREL64 = 1030
pkg debug/elf, const R_AARCH64_TLS_TPREL64 R_AARCH64
pkg debug/elf, const R_AARCH64_TSTBR14 = 279
pkg debug/elf, const R_AARCH64_TSTBR14 R_AARCH64
pkg debug/elf, method (R_AARCH64) GoString() string
pkg debug/elf, method (R_AARCH64) String() string
pkg debug/elf, type R_AARCH64 int
# CL 107530043 debug/elf: add (*File).DynamicSymbols, ErrNoSymbols, and tests for (*File).Symbols and (*File).DynamicSymbols, and formalize symbol order., Pietro Gagliardi <pietro10@mac.com>
pkg debug/elf, method (*File) DynamicSymbols() ([]Symbol, error)
pkg debug/elf, var ErrNoSymbols error
# CL 106460044 debug/plan9obj, cmd/addr2line: on Plan 9 use a.out header, Aram Hăvărneanu <aram@mgk.ro>
pkg debug/plan9obj, type FileHeader struct, HdrSize uint64
pkg debug/plan9obj, type FileHeader struct, LoadAddress uint64
# CL 122960043 encoding/xml: add InputOffset method to Decoder, Russ Cox <rsc@golang.org>
pkg encoding/xml, method (*Decoder) InputOffset() int64
# CL 124940043 cmd/go, go/build: implement import comment checking, Russ Cox <rsc@golang.org>
pkg go/build, const ImportComment = 4
pkg go/build, const ImportComment ImportMode
pkg go/build, type Package struct, ImportComment string
# CL 155050043 go/build: Return MultiplePackageError on importing a dir containing multiple packages, Jens Frederich <jfrederich@gmail.com>
pkg go/build, method (*MultiplePackageError) Error() string
pkg go/build, type MultiplePackageError struct
pkg go/build, type MultiplePackageError struct, Dir string
pkg go/build, type MultiplePackageError struct, Files []string
pkg go/build, type MultiplePackageError struct, Packages []string
# CL 135110044 go/token: implement PositionFor accessors, Robert Griesemer <gri@golang.org>
pkg go/token, method (*File) PositionFor(Pos, bool) Position
pkg go/token, method (*FileSet) PositionFor(Pos, bool) Position
# CL 109000049 image: add RGBAAt, Gray16At, etc., ChaiShushan <chaishushan@gmail.com>
pkg image, method (*Alpha) AlphaAt(int, int) color.Alpha
pkg image, method (*Alpha16) Alpha16At(int, int) color.Alpha16
pkg image, method (*Gray) GrayAt(int, int) color.Gray
pkg image, method (*Gray16) Gray16At(int, int) color.Gray16
pkg image, method (*NRGBA) NRGBAAt(int, int) color.NRGBA
pkg image, method (*NRGBA64) NRGBA64At(int, int) color.NRGBA64
pkg image, method (*RGBA) RGBAAt(int, int) color.RGBA
pkg image, method (*RGBA64) RGBA64At(int, int) color.RGBA64
pkg image, method (*YCbCr) YCbCrAt(int, int) color.YCbCr
# CL 129190043 png: make the encoder configurable, Jeff R. Allen <jra@nella.org>
pkg image/png, const BestCompression = -3
pkg image/png, const BestCompression CompressionLevel
pkg image/png, const BestSpeed = -2
pkg image/png, const BestSpeed CompressionLevel
pkg image/png, const DefaultCompression = 0
pkg image/png, const DefaultCompression CompressionLevel
pkg image/png, const NoCompression = -1
pkg image/png, const NoCompression CompressionLevel
pkg image/png, method (*Encoder) Encode(io.Writer, image.Image) error
pkg image/png, type CompressionLevel int
pkg image/png, type Encoder struct
pkg image/png, type Encoder struct, CompressionLevel CompressionLevel
# CL 101750048 math: implement Nextafter32, Robert Griesemer <gri@golang.org>
pkg math, func Nextafter32(float32, float32) float32
# CL 93550043 math/big: implement Rat.Float32, Robert Griesemer <gri@golang.org>
pkg math/big, method (*Rat) Float32() (float32, bool)
# CL 76540043 net/http: add BasicAuth method to *http.Request, Kelsey Hightower <kelsey.hightower@gmail.com>
pkg net/http, method (*Request) BasicAuth() (string, string, bool)
# CL 137940043 net/http: add Transport.DialTLS hook, Brad Fitzpatrick <bradfitz@golang.org>
pkg net/http, type Transport struct, DialTLS func(string, string) (net.Conn, error)
# CL 132750043 net/http/httputil: Pass a Logger to ReverseProxy, allowing the user to control logging., Mark Theunissen <mark.theunissen@gmail.com>
pkg net/http/httputil, type ReverseProxy struct, ErrorLog *log.Logger
# CL 148370043 os, syscall: add Unsetenv, Brad Fitzpatrick <bradfitz@golang.org>
pkg os, func Unsetenv(string) error
pkg syscall, func Unsetenv(string) error
# CL 144020043 reflect: add Type.Comparable, Russ Cox <rsc@golang.org>
pkg reflect, type Type interface, Comparable() bool
# CL 153670043 runtime: add PauseEnd array to MemStats and GCStats, Jens Frederich <jfrederich@gmail.com>
pkg runtime, type MemStats struct, PauseEnd [256]uint64
pkg runtime/debug, type GCStats struct, PauseEnd []time.Time
# CL 136710045 sync/atomic: add Value, Dmitriy Vyukov <dvyukov@google.com>
pkg sync/atomic, method (*Value) Load() interface{}
pkg sync/atomic, method (*Value) Store(interface{})
pkg sync/atomic, type Value struct
# CL 126190043 syscall: support UID/GID map files for Linux user namespaces, Mrunal Patel <mrunalp@gmail.com>
pkg syscall (linux-386), type SysProcAttr struct, GidMappings []SysProcIDMap
pkg syscall (linux-386), type SysProcAttr struct, UidMappings []SysProcIDMap
pkg syscall (linux-386), type SysProcIDMap struct
pkg syscall (linux-386), type SysProcIDMap struct, ContainerID int
pkg syscall (linux-386), type SysProcIDMap struct, HostID int
pkg syscall (linux-386), type SysProcIDMap struct, Size int
pkg syscall (linux-386-cgo), type SysProcAttr struct, GidMappings []SysProcIDMap
pkg syscall (linux-386-cgo), type SysProcAttr struct, UidMappings []SysProcIDMap
pkg syscall (linux-386-cgo), type SysProcIDMap struct
pkg syscall (linux-386-cgo), type SysProcIDMap struct, ContainerID int
pkg syscall (linux-386-cgo), type SysProcIDMap struct, HostID int
pkg syscall (linux-386-cgo), type SysProcIDMap struct, Size int
pkg syscall (linux-amd64), type SysProcAttr struct, GidMappings []SysProcIDMap
pkg syscall (linux-amd64), type SysProcAttr struct, UidMappings []SysProcIDMap
pkg syscall (linux-amd64), type SysProcIDMap struct
pkg syscall (linux-amd64), type SysProcIDMap struct, ContainerID int
pkg syscall (linux-amd64), type SysProcIDMap struct, HostID int
pkg syscall (linux-amd64), type SysProcIDMap struct, Size int
pkg syscall (linux-amd64-cgo), type SysProcAttr struct, GidMappings []SysProcIDMap
pkg syscall (linux-amd64-cgo), type SysProcAttr struct, UidMappings []SysProcIDMap
pkg syscall (linux-amd64-cgo), type SysProcIDMap struct
pkg syscall (linux-amd64-cgo), type SysProcIDMap struct, ContainerID int
pkg syscall (linux-amd64-cgo), type SysProcIDMap struct, HostID int
pkg syscall (linux-amd64-cgo), type SysProcIDMap struct, Size int
pkg syscall (linux-arm), type SysProcAttr struct, GidMappings []SysProcIDMap
pkg syscall (linux-arm), type SysProcAttr struct, UidMappings []SysProcIDMap
pkg syscall (linux-arm), type SysProcIDMap struct
pkg syscall (linux-arm), type SysProcIDMap struct, ContainerID int
pkg syscall (linux-arm), type SysProcIDMap struct, HostID int
pkg syscall (linux-arm), type SysProcIDMap struct, Size int
pkg syscall (linux-arm-cgo), type SysProcAttr struct, GidMappings []SysProcIDMap
pkg syscall (linux-arm-cgo), type SysProcAttr struct, UidMappings []SysProcIDMap
pkg syscall (linux-arm-cgo), type SysProcIDMap struct
pkg syscall (linux-arm-cgo), type SysProcIDMap struct, ContainerID int
pkg syscall (linux-arm-cgo), type SysProcIDMap struct, HostID int
pkg syscall (linux-arm-cgo), type SysProcIDMap struct, Size int
# CL 122200043 net: fix CNAME resolving on Windows, Egon Elbre <egonelbre@gmail.com>
pkg syscall (windows-386), const DNS_INFO_NO_RECORDS = 9501
pkg syscall (windows-386), const DNS_INFO_NO_RECORDS ideal-int
pkg syscall (windows-386), const DnsSectionAdditional = 3
pkg syscall (windows-386), const DnsSectionAdditional ideal-int
pkg syscall (windows-386), const DnsSectionAnswer = 1
pkg syscall (windows-386), const DnsSectionAnswer ideal-int
pkg syscall (windows-386), const DnsSectionAuthority = 2
pkg syscall (windows-386), const DnsSectionAuthority ideal-int
pkg syscall (windows-386), const DnsSectionQuestion = 0
pkg syscall (windows-386), const DnsSectionQuestion ideal-int
pkg syscall (windows-386), func DnsNameCompare(*uint16, *uint16) bool
pkg syscall (windows-amd64), const DNS_INFO_NO_RECORDS = 9501
pkg syscall (windows-amd64), const DNS_INFO_NO_RECORDS ideal-int
pkg syscall (windows-amd64), const DnsSectionAdditional = 3
pkg syscall (windows-amd64), const DnsSectionAdditional ideal-int
pkg syscall (windows-amd64), const DnsSectionAnswer = 1
pkg syscall (windows-amd64), const DnsSectionAnswer ideal-int
pkg syscall (windows-amd64), const DnsSectionAuthority = 2
pkg syscall (windows-amd64), const DnsSectionAuthority ideal-int
pkg syscall (windows-amd64), const DnsSectionQuestion = 0
pkg syscall (windows-amd64), const DnsSectionQuestion ideal-int
pkg syscall (windows-amd64), func DnsNameCompare(*uint16, *uint16) bool
# CL 86160044 os: Implement symlink support for Windows, Michael Fraenkel <michael.fraenkel@gmail.com>
pkg syscall (windows-386), const ERROR_PRIVILEGE_NOT_HELD = 1314
pkg syscall (windows-386), const ERROR_PRIVILEGE_NOT_HELD Errno
pkg syscall (windows-amd64), const ERROR_PRIVILEGE_NOT_HELD = 1314
pkg syscall (windows-amd64), const ERROR_PRIVILEGE_NOT_HELD Errno
# CL 86160044 os: Implement symlink support for Windows, Michael Fraenkel <michael.fraenkel@gmail.com>
pkg syscall (windows-386), const FILE_ATTRIBUTE_REPARSE_POINT = 1024
pkg syscall (windows-386), const FILE_ATTRIBUTE_REPARSE_POINT ideal-int
pkg syscall (windows-386), const FILE_FLAG_OPEN_REPARSE_POINT = 2097152
pkg syscall (windows-386), const FILE_FLAG_OPEN_REPARSE_POINT ideal-int
pkg syscall (windows-386), const FSCTL_GET_REPARSE_POINT = 589992
pkg syscall (windows-386), const FSCTL_GET_REPARSE_POINT ideal-int
pkg syscall (windows-386), const IO_REPARSE_TAG_SYMLINK = 2684354572
pkg syscall (windows-386), const IO_REPARSE_TAG_SYMLINK ideal-int
pkg syscall (windows-386), const MAXIMUM_REPARSE_DATA_BUFFER_SIZE = 16384
pkg syscall (windows-386), const MAXIMUM_REPARSE_DATA_BUFFER_SIZE ideal-int
pkg syscall (windows-386), const SYMBOLIC_LINK_FLAG_DIRECTORY = 1
pkg syscall (windows-386), const SYMBOLIC_LINK_FLAG_DIRECTORY ideal-int
pkg syscall (windows-386), func CreateHardLink(*uint16, *uint16, uintptr) error
pkg syscall (windows-386), func CreateSymbolicLink(*uint16, *uint16, uint32) error
pkg syscall (windows-386), func DeviceIoControl(Handle, uint32, *uint8, uint32, *uint8, uint32, *uint32, *Overlapped) error
pkg syscall (windows-386), func LoadCreateSymbolicLink() error
pkg syscall (windows-amd64), const FILE_ATTRIBUTE_REPARSE_POINT = 1024
pkg syscall (windows-amd64), const FILE_ATTRIBUTE_REPARSE_POINT ideal-int
pkg syscall (windows-amd64), const FILE_FLAG_OPEN_REPARSE_POINT = 2097152
pkg syscall (windows-amd64), const FILE_FLAG_OPEN_REPARSE_POINT ideal-int
pkg syscall (windows-amd64), const FSCTL_GET_REPARSE_POINT = 589992
pkg syscall (windows-amd64), const FSCTL_GET_REPARSE_POINT ideal-int
pkg syscall (windows-amd64), const IO_REPARSE_TAG_SYMLINK = 2684354572
pkg syscall (windows-amd64), const IO_REPARSE_TAG_SYMLINK ideal-int
pkg syscall (windows-amd64), const MAXIMUM_REPARSE_DATA_BUFFER_SIZE = 16384
pkg syscall (windows-amd64), const MAXIMUM_REPARSE_DATA_BUFFER_SIZE ideal-int
pkg syscall (windows-amd64), const SYMBOLIC_LINK_FLAG_DIRECTORY = 1
pkg syscall (windows-amd64), const SYMBOLIC_LINK_FLAG_DIRECTORY ideal-int
pkg syscall (windows-amd64), func CreateHardLink(*uint16, *uint16, uintptr) error
pkg syscall (windows-amd64), func CreateSymbolicLink(*uint16, *uint16, uint32) error
pkg syscall (windows-amd64), func DeviceIoControl(Handle, uint32, *uint8, uint32, *uint8, uint32, *uint32, *Overlapped) error
pkg syscall (windows-amd64), func LoadCreateSymbolicLink() error
# CL 149510043 net: disable SIO_UDP_CONNRESET behavior on windows., Ron Hashimoto <mail@h2so5.net>
pkg syscall (windows-386), const SIO_UDP_CONNRESET = 2550136844
pkg syscall (windows-386), const SIO_UDP_CONNRESET ideal-int
pkg syscall (windows-amd64), const SIO_UDP_CONNRESET = 2550136844
pkg syscall (windows-amd64), const SIO_UDP_CONNRESET ideal-int
# CL 102320044 syscall: implement syscall.Getppid() on Windows, Alan Shreve <alan@inconshreveable.com>
pkg syscall (windows-386), const TH32CS_INHERIT = 2147483648
pkg syscall (windows-386), const TH32CS_INHERIT ideal-int
pkg syscall (windows-386), const TH32CS_SNAPALL = 15
pkg syscall (windows-386), const TH32CS_SNAPALL ideal-int
pkg syscall (windows-386), const TH32CS_SNAPHEAPLIST = 1
pkg syscall (windows-386), const TH32CS_SNAPHEAPLIST ideal-int
pkg syscall (windows-386), const TH32CS_SNAPMODULE = 8
pkg syscall (windows-386), const TH32CS_SNAPMODULE ideal-int
pkg syscall (windows-386), const TH32CS_SNAPMODULE32 = 16
pkg syscall (windows-386), const TH32CS_SNAPMODULE32 ideal-int
pkg syscall (windows-386), const TH32CS_SNAPPROCESS = 2
pkg syscall (windows-386), const TH32CS_SNAPPROCESS ideal-int
pkg syscall (windows-386), const TH32CS_SNAPTHREAD = 4
pkg syscall (windows-386), const TH32CS_SNAPTHREAD ideal-int
pkg syscall (windows-386), func CreateToolhelp32Snapshot(uint32, uint32) (Handle, error)
pkg syscall (windows-386), func Process32First(Handle, *ProcessEntry32) error
pkg syscall (windows-386), func Process32Next(Handle, *ProcessEntry32) error
pkg syscall (windows-386), type ProcessEntry32 struct
pkg syscall (windows-386), type ProcessEntry32 struct, DefaultHeapID uintptr
pkg syscall (windows-386), type ProcessEntry32 struct, ExeFile [260]uint16
pkg syscall (windows-386), type ProcessEntry32 struct, Flags uint32
pkg syscall (windows-386), type ProcessEntry32 struct, ModuleID uint32
pkg syscall (windows-386), type ProcessEntry32 struct, ParentProcessID uint32
pkg syscall (windows-386), type ProcessEntry32 struct, PriClassBase int32
pkg syscall (windows-386), type ProcessEntry32 struct, ProcessID uint32
pkg syscall (windows-386), type ProcessEntry32 struct, Size uint32
pkg syscall (windows-386), type ProcessEntry32 struct, Threads uint32
pkg syscall (windows-386), type ProcessEntry32 struct, Usage uint32
pkg syscall (windows-amd64), const TH32CS_INHERIT = 2147483648
pkg syscall (windows-amd64), const TH32CS_INHERIT ideal-int
pkg syscall (windows-amd64), const TH32CS_SNAPALL = 15
pkg syscall (windows-amd64), const TH32CS_SNAPALL ideal-int
pkg syscall (windows-amd64), const TH32CS_SNAPHEAPLIST = 1
pkg syscall (windows-amd64), const TH32CS_SNAPHEAPLIST ideal-int
pkg syscall (windows-amd64), const TH32CS_SNAPMODULE = 8
pkg syscall (windows-amd64), const TH32CS_SNAPMODULE ideal-int
pkg syscall (windows-amd64), const TH32CS_SNAPMODULE32 = 16
pkg syscall (windows-amd64), const TH32CS_SNAPMODULE32 ideal-int
pkg syscall (windows-amd64), const TH32CS_SNAPPROCESS = 2
pkg syscall (windows-amd64), const TH32CS_SNAPPROCESS ideal-int
pkg syscall (windows-amd64), const TH32CS_SNAPTHREAD = 4
pkg syscall (windows-amd64), const TH32CS_SNAPTHREAD ideal-int
pkg syscall (windows-amd64), func CreateToolhelp32Snapshot(uint32, uint32) (Handle, error)
pkg syscall (windows-amd64), func Process32First(Handle, *ProcessEntry32) error
pkg syscall (windows-amd64), func Process32Next(Handle, *ProcessEntry32) error
pkg syscall (windows-amd64), type ProcessEntry32 struct
pkg syscall (windows-amd64), type ProcessEntry32 struct, DefaultHeapID uintptr
pkg syscall (windows-amd64), type ProcessEntry32 struct, ExeFile [260]uint16
pkg syscall (windows-amd64), type ProcessEntry32 struct, Flags uint32
pkg syscall (windows-amd64), type ProcessEntry32 struct, ModuleID uint32
pkg syscall (windows-amd64), type ProcessEntry32 struct, ParentProcessID uint32
pkg syscall (windows-amd64), type ProcessEntry32 struct, PriClassBase int32
pkg syscall (windows-amd64), type ProcessEntry32 struct, ProcessID uint32
pkg syscall (windows-amd64), type ProcessEntry32 struct, Size uint32
pkg syscall (windows-amd64), type ProcessEntry32 struct, Threads uint32
pkg syscall (windows-amd64), type ProcessEntry32 struct, Usage uint32
# CL 127740043 os: make SameFile handle paths like c:a.txt properly, Alex Brainman <alex.brainman@gmail.com>
pkg syscall (windows-386), func FullPath(string) (string, error)
pkg syscall (windows-amd64), func FullPath(string) (string, error)
# CL 98150043 testing: add Coverage function, Russ Cox <rsc@golang.org>
pkg testing, func Coverage() float64
# CL 148770043 cmd/go, testing: add TestMain support, Russ Cox <rsc@golang.org>
pkg testing, func MainStart(func(string, string) (bool, error), []InternalTest, []InternalBenchmark, []InternalExample) *M
pkg testing, method (*M) Run() int
pkg testing, type M struct
# CL 108030044 text/scanner: provide facility for custom identifiers, Robert Griesemer <gri@golang.org>
pkg text/scanner, type Scanner struct, IsIdentRune func(int32, int) bool
# CL 130620043 text/template: add back pointer to Nodes for better error generation, Rob Pike <r@golang.org>
pkg text/template/parse, type DotNode struct, embedded NodeType
pkg text/template/parse, type NilNode struct, embedded NodeType
pkg text/template/parse, method (*BranchNode) Copy() Node
pkg text/template/parse, method (*IdentifierNode) SetTree(*Tree) *IdentifierNode
pkg html/template, type Error struct, Node parse.Node
# CL 127470043 unicode: strconv: regexp: Upgrade to Unicode 7.0.0., Marcel van Lohuizen <mpvl@golang.org>
pkg unicode, const Version = "7.0.0"
pkg unicode, var Bassa_Vah *RangeTable
pkg unicode, var Caucasian_Albanian *RangeTable
pkg unicode, var Duployan *RangeTable
pkg unicode, var Elbasan *RangeTable
pkg unicode, var Grantha *RangeTable
pkg unicode, var Khojki *RangeTable
pkg unicode, var Khudawadi *RangeTable
pkg unicode, var Linear_A *RangeTable
pkg unicode, var Mahajani *RangeTable
pkg unicode, var Manichaean *RangeTable
pkg unicode, var Mende_Kikakui *RangeTable
pkg unicode, var Modi *RangeTable
pkg unicode, var Mro *RangeTable
pkg unicode, var Nabataean *RangeTable
pkg unicode, var Old_North_Arabian *RangeTable
pkg unicode, var Old_Permic *RangeTable
pkg unicode, var Pahawh_Hmong *RangeTable
pkg unicode, var Palmyrene *RangeTable
pkg unicode, var Pau_Cin_Hau *RangeTable
pkg unicode, var Psalter_Pahlavi *RangeTable
pkg unicode, var Siddham *RangeTable
pkg unicode, var Tirhuta *RangeTable
pkg unicode, var Warang_Citi *RangeTable

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@@ -1,975 +0,0 @@
pkg archive/zip, method (*Writer) SetOffset(int64)
pkg bufio, method (*Reader) Discard(int) (int, error)
pkg bufio, method (ReadWriter) Discard(int) (int, error)
pkg bytes, func LastIndexByte([]uint8, uint8) int
pkg bytes, method (*Buffer) Cap() int
pkg bytes, method (*Reader) Size() int64
pkg crypto, const SHA512_224 = 14
pkg crypto, const SHA512_224 Hash
pkg crypto, const SHA512_256 = 15
pkg crypto, const SHA512_256 Hash
pkg crypto, type Decrypter interface { Decrypt, Public }
pkg crypto, type Decrypter interface, Decrypt(io.Reader, []uint8, DecrypterOpts) ([]uint8, error)
pkg crypto, type Decrypter interface, Public() PublicKey
pkg crypto, type DecrypterOpts interface {}
pkg crypto/cipher, func NewGCMWithNonceSize(Block, int) (AEAD, error)
pkg crypto/elliptic, type CurveParams struct, Name string
pkg crypto/rsa, method (*PrivateKey) Decrypt(io.Reader, []uint8, crypto.DecrypterOpts) ([]uint8, error)
pkg crypto/rsa, type OAEPOptions struct
pkg crypto/rsa, type OAEPOptions struct, Hash crypto.Hash
pkg crypto/rsa, type OAEPOptions struct, Label []uint8
pkg crypto/rsa, type PKCS1v15DecryptOptions struct
pkg crypto/rsa, type PKCS1v15DecryptOptions struct, SessionKeyLen int
pkg crypto/sha512, const Size224 = 28
pkg crypto/sha512, const Size224 ideal-int
pkg crypto/sha512, const Size256 = 32
pkg crypto/sha512, const Size256 ideal-int
pkg crypto/sha512, func New512_224() hash.Hash
pkg crypto/sha512, func New512_256() hash.Hash
pkg crypto/sha512, func Sum512_224([]uint8) [28]uint8
pkg crypto/sha512, func Sum512_256([]uint8) [32]uint8
pkg crypto/tls, const TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 = 49196
pkg crypto/tls, const TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 uint16
pkg crypto/tls, const TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 = 49200
pkg crypto/tls, const TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 uint16
pkg crypto/tls, method (*Config) SetSessionTicketKeys([][32]uint8)
pkg crypto/tls, type Certificate struct, SignedCertificateTimestamps [][]uint8
pkg crypto/tls, type ConnectionState struct, OCSPResponse []uint8
pkg crypto/tls, type ConnectionState struct, SignedCertificateTimestamps [][]uint8
pkg crypto/x509, method (*CertificateRequest) CheckSignature() error
pkg crypto/x509, type Certificate struct, UnhandledCriticalExtensions []asn1.ObjectIdentifier
pkg crypto/x509/pkix, type Name struct, ExtraNames []AttributeTypeAndValue
pkg database/sql, method (*DB) Stats() DBStats
pkg database/sql, type DBStats struct
pkg database/sql, type DBStats struct, OpenConnections int
pkg debug/dwarf, const ClassAddress = 1
pkg debug/dwarf, const ClassAddress Class
pkg debug/dwarf, const ClassBlock = 2
pkg debug/dwarf, const ClassBlock Class
pkg debug/dwarf, const ClassConstant = 3
pkg debug/dwarf, const ClassConstant Class
pkg debug/dwarf, const ClassExprLoc = 4
pkg debug/dwarf, const ClassExprLoc Class
pkg debug/dwarf, const ClassFlag = 5
pkg debug/dwarf, const ClassFlag Class
pkg debug/dwarf, const ClassLinePtr = 6
pkg debug/dwarf, const ClassLinePtr Class
pkg debug/dwarf, const ClassLocListPtr = 7
pkg debug/dwarf, const ClassLocListPtr Class
pkg debug/dwarf, const ClassMacPtr = 8
pkg debug/dwarf, const ClassMacPtr Class
pkg debug/dwarf, const ClassRangeListPtr = 9
pkg debug/dwarf, const ClassRangeListPtr Class
pkg debug/dwarf, const ClassReference = 10
pkg debug/dwarf, const ClassReference Class
pkg debug/dwarf, const ClassReferenceAlt = 13
pkg debug/dwarf, const ClassReferenceAlt Class
pkg debug/dwarf, const ClassReferenceSig = 11
pkg debug/dwarf, const ClassReferenceSig Class
pkg debug/dwarf, const ClassString = 12
pkg debug/dwarf, const ClassString Class
pkg debug/dwarf, const ClassStringAlt = 14
pkg debug/dwarf, const ClassStringAlt Class
pkg debug/dwarf, method (*Data) LineReader(*Entry) (*LineReader, error)
pkg debug/dwarf, method (*Entry) AttrField(Attr) *Field
pkg debug/dwarf, method (*LineReader) Next(*LineEntry) error
pkg debug/dwarf, method (*LineReader) Reset()
pkg debug/dwarf, method (*LineReader) Seek(LineReaderPos)
pkg debug/dwarf, method (*LineReader) SeekPC(uint64, *LineEntry) error
pkg debug/dwarf, method (*LineReader) Tell() LineReaderPos
pkg debug/dwarf, method (*Reader) AddressSize() int
pkg debug/dwarf, method (Class) GoString() string
pkg debug/dwarf, method (Class) String() string
pkg debug/dwarf, type Class int
pkg debug/dwarf, type Field struct, Class Class
pkg debug/dwarf, type LineEntry struct
pkg debug/dwarf, type LineEntry struct, Address uint64
pkg debug/dwarf, type LineEntry struct, BasicBlock bool
pkg debug/dwarf, type LineEntry struct, Column int
pkg debug/dwarf, type LineEntry struct, Discriminator int
pkg debug/dwarf, type LineEntry struct, EndSequence bool
pkg debug/dwarf, type LineEntry struct, EpilogueBegin bool
pkg debug/dwarf, type LineEntry struct, File *LineFile
pkg debug/dwarf, type LineEntry struct, ISA int
pkg debug/dwarf, type LineEntry struct, IsStmt bool
pkg debug/dwarf, type LineEntry struct, Line int
pkg debug/dwarf, type LineEntry struct, OpIndex int
pkg debug/dwarf, type LineEntry struct, PrologueEnd bool
pkg debug/dwarf, type LineFile struct
pkg debug/dwarf, type LineFile struct, Length int
pkg debug/dwarf, type LineFile struct, Mtime uint64
pkg debug/dwarf, type LineFile struct, Name string
pkg debug/dwarf, type LineReader struct
pkg debug/dwarf, type LineReaderPos struct
pkg debug/dwarf, var ErrUnknownPC error
pkg debug/elf, const R_PPC64_ADDR14 = 7
pkg debug/elf, const R_PPC64_ADDR14 R_PPC64
pkg debug/elf, const R_PPC64_ADDR14_BRNTAKEN = 9
pkg debug/elf, const R_PPC64_ADDR14_BRNTAKEN R_PPC64
pkg debug/elf, const R_PPC64_ADDR14_BRTAKEN = 8
pkg debug/elf, const R_PPC64_ADDR14_BRTAKEN R_PPC64
pkg debug/elf, const R_PPC64_ADDR16 = 3
pkg debug/elf, const R_PPC64_ADDR16 R_PPC64
pkg debug/elf, const R_PPC64_ADDR16_DS = 56
pkg debug/elf, const R_PPC64_ADDR16_DS R_PPC64
pkg debug/elf, const R_PPC64_ADDR16_HA = 6
pkg debug/elf, const R_PPC64_ADDR16_HA R_PPC64
pkg debug/elf, const R_PPC64_ADDR16_HI = 5
pkg debug/elf, const R_PPC64_ADDR16_HI R_PPC64
pkg debug/elf, const R_PPC64_ADDR16_HIGHER = 39
pkg debug/elf, const R_PPC64_ADDR16_HIGHER R_PPC64
pkg debug/elf, const R_PPC64_ADDR16_HIGHERA = 40
pkg debug/elf, const R_PPC64_ADDR16_HIGHERA R_PPC64
pkg debug/elf, const R_PPC64_ADDR16_HIGHEST = 41
pkg debug/elf, const R_PPC64_ADDR16_HIGHEST R_PPC64
pkg debug/elf, const R_PPC64_ADDR16_HIGHESTA = 42
pkg debug/elf, const R_PPC64_ADDR16_HIGHESTA R_PPC64
pkg debug/elf, const R_PPC64_ADDR16_LO = 4
pkg debug/elf, const R_PPC64_ADDR16_LO R_PPC64
pkg debug/elf, const R_PPC64_ADDR16_LO_DS = 57
pkg debug/elf, const R_PPC64_ADDR16_LO_DS R_PPC64
pkg debug/elf, const R_PPC64_ADDR24 = 2
pkg debug/elf, const R_PPC64_ADDR24 R_PPC64
pkg debug/elf, const R_PPC64_ADDR32 = 1
pkg debug/elf, const R_PPC64_ADDR32 R_PPC64
pkg debug/elf, const R_PPC64_ADDR64 = 38
pkg debug/elf, const R_PPC64_ADDR64 R_PPC64
pkg debug/elf, const R_PPC64_DTPMOD64 = 68
pkg debug/elf, const R_PPC64_DTPMOD64 R_PPC64
pkg debug/elf, const R_PPC64_DTPREL16 = 74
pkg debug/elf, const R_PPC64_DTPREL16 R_PPC64
pkg debug/elf, const R_PPC64_DTPREL16_DS = 101
pkg debug/elf, const R_PPC64_DTPREL16_DS R_PPC64
pkg debug/elf, const R_PPC64_DTPREL16_HA = 77
pkg debug/elf, const R_PPC64_DTPREL16_HA R_PPC64
pkg debug/elf, const R_PPC64_DTPREL16_HI = 76
pkg debug/elf, const R_PPC64_DTPREL16_HI R_PPC64
pkg debug/elf, const R_PPC64_DTPREL16_HIGHER = 103
pkg debug/elf, const R_PPC64_DTPREL16_HIGHER R_PPC64
pkg debug/elf, const R_PPC64_DTPREL16_HIGHERA = 104
pkg debug/elf, const R_PPC64_DTPREL16_HIGHERA R_PPC64
pkg debug/elf, const R_PPC64_DTPREL16_HIGHEST = 105
pkg debug/elf, const R_PPC64_DTPREL16_HIGHEST R_PPC64
pkg debug/elf, const R_PPC64_DTPREL16_HIGHESTA = 106
pkg debug/elf, const R_PPC64_DTPREL16_HIGHESTA R_PPC64
pkg debug/elf, const R_PPC64_DTPREL16_LO = 75
pkg debug/elf, const R_PPC64_DTPREL16_LO R_PPC64
pkg debug/elf, const R_PPC64_DTPREL16_LO_DS = 102
pkg debug/elf, const R_PPC64_DTPREL16_LO_DS R_PPC64
pkg debug/elf, const R_PPC64_DTPREL64 = 78
pkg debug/elf, const R_PPC64_DTPREL64 R_PPC64
pkg debug/elf, const R_PPC64_GOT16 = 14
pkg debug/elf, const R_PPC64_GOT16 R_PPC64
pkg debug/elf, const R_PPC64_GOT16_DS = 58
pkg debug/elf, const R_PPC64_GOT16_DS R_PPC64
pkg debug/elf, const R_PPC64_GOT16_HA = 17
pkg debug/elf, const R_PPC64_GOT16_HA R_PPC64
pkg debug/elf, const R_PPC64_GOT16_HI = 16
pkg debug/elf, const R_PPC64_GOT16_HI R_PPC64
pkg debug/elf, const R_PPC64_GOT16_LO = 15
pkg debug/elf, const R_PPC64_GOT16_LO R_PPC64
pkg debug/elf, const R_PPC64_GOT16_LO_DS = 59
pkg debug/elf, const R_PPC64_GOT16_LO_DS R_PPC64
pkg debug/elf, const R_PPC64_GOT_DTPREL16_DS = 91
pkg debug/elf, const R_PPC64_GOT_DTPREL16_DS R_PPC64
pkg debug/elf, const R_PPC64_GOT_DTPREL16_HA = 94
pkg debug/elf, const R_PPC64_GOT_DTPREL16_HA R_PPC64
pkg debug/elf, const R_PPC64_GOT_DTPREL16_HI = 93
pkg debug/elf, const R_PPC64_GOT_DTPREL16_HI R_PPC64
pkg debug/elf, const R_PPC64_GOT_DTPREL16_LO_DS = 92
pkg debug/elf, const R_PPC64_GOT_DTPREL16_LO_DS R_PPC64
pkg debug/elf, const R_PPC64_GOT_TLSGD16 = 79
pkg debug/elf, const R_PPC64_GOT_TLSGD16 R_PPC64
pkg debug/elf, const R_PPC64_GOT_TLSGD16_HA = 82
pkg debug/elf, const R_PPC64_GOT_TLSGD16_HA R_PPC64
pkg debug/elf, const R_PPC64_GOT_TLSGD16_HI = 81
pkg debug/elf, const R_PPC64_GOT_TLSGD16_HI R_PPC64
pkg debug/elf, const R_PPC64_GOT_TLSGD16_LO = 80
pkg debug/elf, const R_PPC64_GOT_TLSGD16_LO R_PPC64
pkg debug/elf, const R_PPC64_GOT_TLSLD16 = 83
pkg debug/elf, const R_PPC64_GOT_TLSLD16 R_PPC64
pkg debug/elf, const R_PPC64_GOT_TLSLD16_HA = 86
pkg debug/elf, const R_PPC64_GOT_TLSLD16_HA R_PPC64
pkg debug/elf, const R_PPC64_GOT_TLSLD16_HI = 85
pkg debug/elf, const R_PPC64_GOT_TLSLD16_HI R_PPC64
pkg debug/elf, const R_PPC64_GOT_TLSLD16_LO = 84
pkg debug/elf, const R_PPC64_GOT_TLSLD16_LO R_PPC64
pkg debug/elf, const R_PPC64_GOT_TPREL16_DS = 87
pkg debug/elf, const R_PPC64_GOT_TPREL16_DS R_PPC64
pkg debug/elf, const R_PPC64_GOT_TPREL16_HA = 90
pkg debug/elf, const R_PPC64_GOT_TPREL16_HA R_PPC64
pkg debug/elf, const R_PPC64_GOT_TPREL16_HI = 89
pkg debug/elf, const R_PPC64_GOT_TPREL16_HI R_PPC64
pkg debug/elf, const R_PPC64_GOT_TPREL16_LO_DS = 88
pkg debug/elf, const R_PPC64_GOT_TPREL16_LO_DS R_PPC64
pkg debug/elf, const R_PPC64_JMP_SLOT = 21
pkg debug/elf, const R_PPC64_JMP_SLOT R_PPC64
pkg debug/elf, const R_PPC64_NONE = 0
pkg debug/elf, const R_PPC64_NONE R_PPC64
pkg debug/elf, const R_PPC64_REL14 = 11
pkg debug/elf, const R_PPC64_REL14 R_PPC64
pkg debug/elf, const R_PPC64_REL14_BRNTAKEN = 13
pkg debug/elf, const R_PPC64_REL14_BRNTAKEN R_PPC64
pkg debug/elf, const R_PPC64_REL14_BRTAKEN = 12
pkg debug/elf, const R_PPC64_REL14_BRTAKEN R_PPC64
pkg debug/elf, const R_PPC64_REL16 = 249
pkg debug/elf, const R_PPC64_REL16 R_PPC64
pkg debug/elf, const R_PPC64_REL16_HA = 252
pkg debug/elf, const R_PPC64_REL16_HA R_PPC64
pkg debug/elf, const R_PPC64_REL16_HI = 251
pkg debug/elf, const R_PPC64_REL16_HI R_PPC64
pkg debug/elf, const R_PPC64_REL16_LO = 250
pkg debug/elf, const R_PPC64_REL16_LO R_PPC64
pkg debug/elf, const R_PPC64_REL24 = 10
pkg debug/elf, const R_PPC64_REL24 R_PPC64
pkg debug/elf, const R_PPC64_REL32 = 26
pkg debug/elf, const R_PPC64_REL32 R_PPC64
pkg debug/elf, const R_PPC64_REL64 = 44
pkg debug/elf, const R_PPC64_REL64 R_PPC64
pkg debug/elf, const R_PPC64_TLS = 67
pkg debug/elf, const R_PPC64_TLS R_PPC64
pkg debug/elf, const R_PPC64_TLSGD = 107
pkg debug/elf, const R_PPC64_TLSGD R_PPC64
pkg debug/elf, const R_PPC64_TLSLD = 108
pkg debug/elf, const R_PPC64_TLSLD R_PPC64
pkg debug/elf, const R_PPC64_TOC = 51
pkg debug/elf, const R_PPC64_TOC R_PPC64
pkg debug/elf, const R_PPC64_TOC16 = 47
pkg debug/elf, const R_PPC64_TOC16 R_PPC64
pkg debug/elf, const R_PPC64_TOC16_DS = 63
pkg debug/elf, const R_PPC64_TOC16_DS R_PPC64
pkg debug/elf, const R_PPC64_TOC16_HA = 50
pkg debug/elf, const R_PPC64_TOC16_HA R_PPC64
pkg debug/elf, const R_PPC64_TOC16_HI = 49
pkg debug/elf, const R_PPC64_TOC16_HI R_PPC64
pkg debug/elf, const R_PPC64_TOC16_LO = 48
pkg debug/elf, const R_PPC64_TOC16_LO R_PPC64
pkg debug/elf, const R_PPC64_TOC16_LO_DS = 64
pkg debug/elf, const R_PPC64_TOC16_LO_DS R_PPC64
pkg debug/elf, const R_PPC64_TPREL16 = 69
pkg debug/elf, const R_PPC64_TPREL16 R_PPC64
pkg debug/elf, const R_PPC64_TPREL16_DS = 95
pkg debug/elf, const R_PPC64_TPREL16_DS R_PPC64
pkg debug/elf, const R_PPC64_TPREL16_HA = 72
pkg debug/elf, const R_PPC64_TPREL16_HA R_PPC64
pkg debug/elf, const R_PPC64_TPREL16_HI = 71
pkg debug/elf, const R_PPC64_TPREL16_HI R_PPC64
pkg debug/elf, const R_PPC64_TPREL16_HIGHER = 97
pkg debug/elf, const R_PPC64_TPREL16_HIGHER R_PPC64
pkg debug/elf, const R_PPC64_TPREL16_HIGHERA = 98
pkg debug/elf, const R_PPC64_TPREL16_HIGHERA R_PPC64
pkg debug/elf, const R_PPC64_TPREL16_HIGHEST = 99
pkg debug/elf, const R_PPC64_TPREL16_HIGHEST R_PPC64
pkg debug/elf, const R_PPC64_TPREL16_HIGHESTA = 100
pkg debug/elf, const R_PPC64_TPREL16_HIGHESTA R_PPC64
pkg debug/elf, const R_PPC64_TPREL16_LO = 70
pkg debug/elf, const R_PPC64_TPREL16_LO R_PPC64
pkg debug/elf, const R_PPC64_TPREL16_LO_DS = 96
pkg debug/elf, const R_PPC64_TPREL16_LO_DS R_PPC64
pkg debug/elf, const R_PPC64_TPREL64 = 73
pkg debug/elf, const R_PPC64_TPREL64 R_PPC64
pkg debug/elf, method (R_PPC64) GoString() string
pkg debug/elf, method (R_PPC64) String() string
pkg debug/elf, type R_PPC64 int
pkg encoding/base64, const NoPadding = -1
pkg encoding/base64, const NoPadding int32
pkg encoding/base64, const StdPadding = 61
pkg encoding/base64, const StdPadding int32
pkg encoding/base64, method (Encoding) WithPadding(int32) *Encoding
pkg encoding/base64, var RawStdEncoding *Encoding
pkg encoding/base64, var RawURLEncoding *Encoding
pkg encoding/json, method (*Decoder) More() bool
pkg encoding/json, method (*Decoder) Token() (Token, error)
pkg encoding/json, method (Delim) String() string
pkg encoding/json, type Delim int32
pkg encoding/json, type Token interface {}
pkg encoding/json, type UnmarshalTypeError struct, Offset int64
pkg flag, func UnquoteUsage(*Flag) (string, string)
pkg go/ast, type EmptyStmt struct, Implicit bool
pkg go/build, type Package struct, PkgTargetRoot string
pkg go/constant, const Bool = 1
pkg go/constant, const Bool Kind
pkg go/constant, const Complex = 5
pkg go/constant, const Complex Kind
pkg go/constant, const Float = 4
pkg go/constant, const Float Kind
pkg go/constant, const Int = 3
pkg go/constant, const Int Kind
pkg go/constant, const String = 2
pkg go/constant, const String Kind
pkg go/constant, const Unknown = 0
pkg go/constant, const Unknown Kind
pkg go/constant, func BinaryOp(Value, token.Token, Value) Value
pkg go/constant, func BitLen(Value) int
pkg go/constant, func BoolVal(Value) bool
pkg go/constant, func Bytes(Value) []uint8
pkg go/constant, func Compare(Value, token.Token, Value) bool
pkg go/constant, func Denom(Value) Value
pkg go/constant, func Float32Val(Value) (float32, bool)
pkg go/constant, func Float64Val(Value) (float64, bool)
pkg go/constant, func Imag(Value) Value
pkg go/constant, func Int64Val(Value) (int64, bool)
pkg go/constant, func MakeBool(bool) Value
pkg go/constant, func MakeFloat64(float64) Value
pkg go/constant, func MakeFromBytes([]uint8) Value
pkg go/constant, func MakeFromLiteral(string, token.Token, uint) Value
pkg go/constant, func MakeImag(Value) Value
pkg go/constant, func MakeInt64(int64) Value
pkg go/constant, func MakeString(string) Value
pkg go/constant, func MakeUint64(uint64) Value
pkg go/constant, func MakeUnknown() Value
pkg go/constant, func Num(Value) Value
pkg go/constant, func Real(Value) Value
pkg go/constant, func Shift(Value, token.Token, uint) Value
pkg go/constant, func Sign(Value) int
pkg go/constant, func StringVal(Value) string
pkg go/constant, func Uint64Val(Value) (uint64, bool)
pkg go/constant, func UnaryOp(token.Token, Value, uint) Value
pkg go/constant, type Kind int
pkg go/constant, type Value interface, Kind() Kind
pkg go/constant, type Value interface, String() string
pkg go/constant, type Value interface, unexported methods
pkg go/importer, func Default() types.Importer
pkg go/importer, func For(string, Lookup) types.Importer
pkg go/importer, type Lookup func(string) (io.ReadCloser, error)
pkg go/parser, func ParseExprFrom(*token.FileSet, string, interface{}, Mode) (ast.Expr, error)
pkg go/types, const Bool = 1
pkg go/types, const Bool BasicKind
pkg go/types, const Byte = 8
pkg go/types, const Byte BasicKind
pkg go/types, const Complex128 = 16
pkg go/types, const Complex128 BasicKind
pkg go/types, const Complex64 = 15
pkg go/types, const Complex64 BasicKind
pkg go/types, const FieldVal = 0
pkg go/types, const FieldVal SelectionKind
pkg go/types, const Float32 = 13
pkg go/types, const Float32 BasicKind
pkg go/types, const Float64 = 14
pkg go/types, const Float64 BasicKind
pkg go/types, const Int = 2
pkg go/types, const Int BasicKind
pkg go/types, const Int16 = 4
pkg go/types, const Int16 BasicKind
pkg go/types, const Int32 = 5
pkg go/types, const Int32 BasicKind
pkg go/types, const Int64 = 6
pkg go/types, const Int64 BasicKind
pkg go/types, const Int8 = 3
pkg go/types, const Int8 BasicKind
pkg go/types, const Invalid = 0
pkg go/types, const Invalid BasicKind
pkg go/types, const IsBoolean = 1
pkg go/types, const IsBoolean BasicInfo
pkg go/types, const IsComplex = 16
pkg go/types, const IsComplex BasicInfo
pkg go/types, const IsConstType = 59
pkg go/types, const IsConstType BasicInfo
pkg go/types, const IsFloat = 8
pkg go/types, const IsFloat BasicInfo
pkg go/types, const IsInteger = 2
pkg go/types, const IsInteger BasicInfo
pkg go/types, const IsNumeric = 26
pkg go/types, const IsNumeric BasicInfo
pkg go/types, const IsOrdered = 42
pkg go/types, const IsOrdered BasicInfo
pkg go/types, const IsString = 32
pkg go/types, const IsString BasicInfo
pkg go/types, const IsUnsigned = 4
pkg go/types, const IsUnsigned BasicInfo
pkg go/types, const IsUntyped = 64
pkg go/types, const IsUntyped BasicInfo
pkg go/types, const MethodExpr = 2
pkg go/types, const MethodExpr SelectionKind
pkg go/types, const MethodVal = 1
pkg go/types, const MethodVal SelectionKind
pkg go/types, const RecvOnly = 2
pkg go/types, const RecvOnly ChanDir
pkg go/types, const Rune = 5
pkg go/types, const Rune BasicKind
pkg go/types, const SendOnly = 1
pkg go/types, const SendOnly ChanDir
pkg go/types, const SendRecv = 0
pkg go/types, const SendRecv ChanDir
pkg go/types, const String = 17
pkg go/types, const String BasicKind
pkg go/types, const Uint = 7
pkg go/types, const Uint BasicKind
pkg go/types, const Uint16 = 9
pkg go/types, const Uint16 BasicKind
pkg go/types, const Uint32 = 10
pkg go/types, const Uint32 BasicKind
pkg go/types, const Uint64 = 11
pkg go/types, const Uint64 BasicKind
pkg go/types, const Uint8 = 8
pkg go/types, const Uint8 BasicKind
pkg go/types, const Uintptr = 12
pkg go/types, const Uintptr BasicKind
pkg go/types, const UnsafePointer = 18
pkg go/types, const UnsafePointer BasicKind
pkg go/types, const UntypedBool = 19
pkg go/types, const UntypedBool BasicKind
pkg go/types, const UntypedComplex = 23
pkg go/types, const UntypedComplex BasicKind
pkg go/types, const UntypedFloat = 22
pkg go/types, const UntypedFloat BasicKind
pkg go/types, const UntypedInt = 20
pkg go/types, const UntypedInt BasicKind
pkg go/types, const UntypedNil = 25
pkg go/types, const UntypedNil BasicKind
pkg go/types, const UntypedRune = 21
pkg go/types, const UntypedRune BasicKind
pkg go/types, const UntypedString = 24
pkg go/types, const UntypedString BasicKind
pkg go/types, func AssertableTo(*Interface, Type) bool
pkg go/types, func AssignableTo(Type, Type) bool
pkg go/types, func Comparable(Type) bool
pkg go/types, func ConvertibleTo(Type, Type) bool
pkg go/types, func DefPredeclaredTestFuncs()
pkg go/types, func Eval(*token.FileSet, *Package, token.Pos, string) (TypeAndValue, error)
pkg go/types, func ExprString(ast.Expr) string
pkg go/types, func Id(*Package, string) string
pkg go/types, func Identical(Type, Type) bool
pkg go/types, func Implements(Type, *Interface) bool
pkg go/types, func IsInterface(Type) bool
pkg go/types, func LookupFieldOrMethod(Type, bool, *Package, string) (Object, []int, bool)
pkg go/types, func MissingMethod(Type, *Interface, bool) (*Func, bool)
pkg go/types, func NewArray(Type, int64) *Array
pkg go/types, func NewChan(ChanDir, Type) *Chan
pkg go/types, func NewChecker(*Config, *token.FileSet, *Package, *Info) *Checker
pkg go/types, func NewConst(token.Pos, *Package, string, Type, constant.Value) *Const
pkg go/types, func NewField(token.Pos, *Package, string, Type, bool) *Var
pkg go/types, func NewFunc(token.Pos, *Package, string, *Signature) *Func
pkg go/types, func NewInterface([]*Func, []*Named) *Interface
pkg go/types, func NewLabel(token.Pos, *Package, string) *Label
pkg go/types, func NewMap(Type, Type) *Map
pkg go/types, func NewMethodSet(Type) *MethodSet
pkg go/types, func NewNamed(*TypeName, Type, []*Func) *Named
pkg go/types, func NewPackage(string, string) *Package
pkg go/types, func NewParam(token.Pos, *Package, string, Type) *Var
pkg go/types, func NewPkgName(token.Pos, *Package, string, *Package) *PkgName
pkg go/types, func NewPointer(Type) *Pointer
pkg go/types, func NewScope(*Scope, token.Pos, token.Pos, string) *Scope
pkg go/types, func NewSignature(*Var, *Tuple, *Tuple, bool) *Signature
pkg go/types, func NewSlice(Type) *Slice
pkg go/types, func NewStruct([]*Var, []string) *Struct
pkg go/types, func NewTuple(...*Var) *Tuple
pkg go/types, func NewTypeName(token.Pos, *Package, string, Type) *TypeName
pkg go/types, func NewVar(token.Pos, *Package, string, Type) *Var
pkg go/types, func ObjectString(Object, Qualifier) string
pkg go/types, func RelativeTo(*Package) Qualifier
pkg go/types, func SelectionString(*Selection, Qualifier) string
pkg go/types, func TypeString(Type, Qualifier) string
pkg go/types, func WriteExpr(*bytes.Buffer, ast.Expr)
pkg go/types, func WriteSignature(*bytes.Buffer, *Signature, Qualifier)
pkg go/types, func WriteType(*bytes.Buffer, Type, Qualifier)
pkg go/types, method (*Array) Elem() Type
pkg go/types, method (*Array) Len() int64
pkg go/types, method (*Array) String() string
pkg go/types, method (*Array) Underlying() Type
pkg go/types, method (*Basic) Info() BasicInfo
pkg go/types, method (*Basic) Kind() BasicKind
pkg go/types, method (*Basic) Name() string
pkg go/types, method (*Basic) String() string
pkg go/types, method (*Basic) Underlying() Type
pkg go/types, method (*Builtin) Exported() bool
pkg go/types, method (*Builtin) Id() string
pkg go/types, method (*Builtin) Name() string
pkg go/types, method (*Builtin) Parent() *Scope
pkg go/types, method (*Builtin) Pkg() *Package
pkg go/types, method (*Builtin) Pos() token.Pos
pkg go/types, method (*Builtin) String() string
pkg go/types, method (*Builtin) Type() Type
pkg go/types, method (*Chan) Dir() ChanDir
pkg go/types, method (*Chan) Elem() Type
pkg go/types, method (*Chan) String() string
pkg go/types, method (*Chan) Underlying() Type
pkg go/types, method (*Checker) Files([]*ast.File) error
pkg go/types, method (*Config) Check(string, *token.FileSet, []*ast.File, *Info) (*Package, error)
pkg go/types, method (*Const) Exported() bool
pkg go/types, method (*Const) Id() string
pkg go/types, method (*Const) Name() string
pkg go/types, method (*Const) Parent() *Scope
pkg go/types, method (*Const) Pkg() *Package
pkg go/types, method (*Const) Pos() token.Pos
pkg go/types, method (*Const) String() string
pkg go/types, method (*Const) Type() Type
pkg go/types, method (*Const) Val() constant.Value
pkg go/types, method (*Func) Exported() bool
pkg go/types, method (*Func) FullName() string
pkg go/types, method (*Func) Id() string
pkg go/types, method (*Func) Name() string
pkg go/types, method (*Func) Parent() *Scope
pkg go/types, method (*Func) Pkg() *Package
pkg go/types, method (*Func) Pos() token.Pos
pkg go/types, method (*Func) Scope() *Scope
pkg go/types, method (*Func) String() string
pkg go/types, method (*Func) Type() Type
pkg go/types, method (*Info) ObjectOf(*ast.Ident) Object
pkg go/types, method (*Info) TypeOf(ast.Expr) Type
pkg go/types, method (*Initializer) String() string
pkg go/types, method (*Interface) Complete() *Interface
pkg go/types, method (*Interface) Embedded(int) *Named
pkg go/types, method (*Interface) Empty() bool
pkg go/types, method (*Interface) ExplicitMethod(int) *Func
pkg go/types, method (*Interface) Method(int) *Func
pkg go/types, method (*Interface) NumEmbeddeds() int
pkg go/types, method (*Interface) NumExplicitMethods() int
pkg go/types, method (*Interface) NumMethods() int
pkg go/types, method (*Interface) String() string
pkg go/types, method (*Interface) Underlying() Type
pkg go/types, method (*Label) Exported() bool
pkg go/types, method (*Label) Id() string
pkg go/types, method (*Label) Name() string
pkg go/types, method (*Label) Parent() *Scope
pkg go/types, method (*Label) Pkg() *Package
pkg go/types, method (*Label) Pos() token.Pos
pkg go/types, method (*Label) String() string
pkg go/types, method (*Label) Type() Type
pkg go/types, method (*Map) Elem() Type
pkg go/types, method (*Map) Key() Type
pkg go/types, method (*Map) String() string
pkg go/types, method (*Map) Underlying() Type
pkg go/types, method (*MethodSet) At(int) *Selection
pkg go/types, method (*MethodSet) Len() int
pkg go/types, method (*MethodSet) Lookup(*Package, string) *Selection
pkg go/types, method (*MethodSet) String() string
pkg go/types, method (*Named) AddMethod(*Func)
pkg go/types, method (*Named) Method(int) *Func
pkg go/types, method (*Named) NumMethods() int
pkg go/types, method (*Named) Obj() *TypeName
pkg go/types, method (*Named) SetUnderlying(Type)
pkg go/types, method (*Named) String() string
pkg go/types, method (*Named) Underlying() Type
pkg go/types, method (*Nil) Exported() bool
pkg go/types, method (*Nil) Id() string
pkg go/types, method (*Nil) Name() string
pkg go/types, method (*Nil) Parent() *Scope
pkg go/types, method (*Nil) Pkg() *Package
pkg go/types, method (*Nil) Pos() token.Pos
pkg go/types, method (*Nil) String() string
pkg go/types, method (*Nil) Type() Type
pkg go/types, method (*Package) Complete() bool
pkg go/types, method (*Package) Imports() []*Package
pkg go/types, method (*Package) MarkComplete()
pkg go/types, method (*Package) Name() string
pkg go/types, method (*Package) Path() string
pkg go/types, method (*Package) Scope() *Scope
pkg go/types, method (*Package) SetImports([]*Package)
pkg go/types, method (*Package) String() string
pkg go/types, method (*PkgName) Exported() bool
pkg go/types, method (*PkgName) Id() string
pkg go/types, method (*PkgName) Imported() *Package
pkg go/types, method (*PkgName) Name() string
pkg go/types, method (*PkgName) Parent() *Scope
pkg go/types, method (*PkgName) Pkg() *Package
pkg go/types, method (*PkgName) Pos() token.Pos
pkg go/types, method (*PkgName) String() string
pkg go/types, method (*PkgName) Type() Type
pkg go/types, method (*Pointer) Elem() Type
pkg go/types, method (*Pointer) String() string
pkg go/types, method (*Pointer) Underlying() Type
pkg go/types, method (*Scope) Child(int) *Scope
pkg go/types, method (*Scope) Contains(token.Pos) bool
pkg go/types, method (*Scope) End() token.Pos
pkg go/types, method (*Scope) Innermost(token.Pos) *Scope
pkg go/types, method (*Scope) Insert(Object) Object
pkg go/types, method (*Scope) Len() int
pkg go/types, method (*Scope) Lookup(string) Object
pkg go/types, method (*Scope) LookupParent(string, token.Pos) (*Scope, Object)
pkg go/types, method (*Scope) Names() []string
pkg go/types, method (*Scope) NumChildren() int
pkg go/types, method (*Scope) Parent() *Scope
pkg go/types, method (*Scope) Pos() token.Pos
pkg go/types, method (*Scope) String() string
pkg go/types, method (*Scope) WriteTo(io.Writer, int, bool)
pkg go/types, method (*Selection) Index() []int
pkg go/types, method (*Selection) Indirect() bool
pkg go/types, method (*Selection) Kind() SelectionKind
pkg go/types, method (*Selection) Obj() Object
pkg go/types, method (*Selection) Recv() Type
pkg go/types, method (*Selection) String() string
pkg go/types, method (*Selection) Type() Type
pkg go/types, method (*Signature) Params() *Tuple
pkg go/types, method (*Signature) Recv() *Var
pkg go/types, method (*Signature) Results() *Tuple
pkg go/types, method (*Signature) String() string
pkg go/types, method (*Signature) Underlying() Type
pkg go/types, method (*Signature) Variadic() bool
pkg go/types, method (*Slice) Elem() Type
pkg go/types, method (*Slice) String() string
pkg go/types, method (*Slice) Underlying() Type
pkg go/types, method (*StdSizes) Alignof(Type) int64
pkg go/types, method (*StdSizes) Offsetsof([]*Var) []int64
pkg go/types, method (*StdSizes) Sizeof(Type) int64
pkg go/types, method (*Struct) Field(int) *Var
pkg go/types, method (*Struct) NumFields() int
pkg go/types, method (*Struct) String() string
pkg go/types, method (*Struct) Tag(int) string
pkg go/types, method (*Struct) Underlying() Type
pkg go/types, method (*Tuple) At(int) *Var
pkg go/types, method (*Tuple) Len() int
pkg go/types, method (*Tuple) String() string
pkg go/types, method (*Tuple) Underlying() Type
pkg go/types, method (*TypeName) Exported() bool
pkg go/types, method (*TypeName) Id() string
pkg go/types, method (*TypeName) Name() string
pkg go/types, method (*TypeName) Parent() *Scope
pkg go/types, method (*TypeName) Pkg() *Package
pkg go/types, method (*TypeName) Pos() token.Pos
pkg go/types, method (*TypeName) String() string
pkg go/types, method (*TypeName) Type() Type
pkg go/types, method (*Var) Anonymous() bool
pkg go/types, method (*Var) Exported() bool
pkg go/types, method (*Var) Id() string
pkg go/types, method (*Var) IsField() bool
pkg go/types, method (*Var) Name() string
pkg go/types, method (*Var) Parent() *Scope
pkg go/types, method (*Var) Pkg() *Package
pkg go/types, method (*Var) Pos() token.Pos
pkg go/types, method (*Var) String() string
pkg go/types, method (*Var) Type() Type
pkg go/types, method (Checker) ObjectOf(*ast.Ident) Object
pkg go/types, method (Checker) TypeOf(ast.Expr) Type
pkg go/types, method (Error) Error() string
pkg go/types, method (TypeAndValue) Addressable() bool
pkg go/types, method (TypeAndValue) Assignable() bool
pkg go/types, method (TypeAndValue) HasOk() bool
pkg go/types, method (TypeAndValue) IsBuiltin() bool
pkg go/types, method (TypeAndValue) IsNil() bool
pkg go/types, method (TypeAndValue) IsType() bool
pkg go/types, method (TypeAndValue) IsValue() bool
pkg go/types, method (TypeAndValue) IsVoid() bool
pkg go/types, type Array struct
pkg go/types, type Basic struct
pkg go/types, type BasicInfo int
pkg go/types, type BasicKind int
pkg go/types, type Builtin struct
pkg go/types, type Chan struct
pkg go/types, type ChanDir int
pkg go/types, type Checker struct
pkg go/types, type Checker struct, embedded *Info
pkg go/types, type Config struct
pkg go/types, type Config struct, DisableUnusedImportCheck bool
pkg go/types, type Config struct, Error func(error)
pkg go/types, type Config struct, FakeImportC bool
pkg go/types, type Config struct, IgnoreFuncBodies bool
pkg go/types, type Config struct, Importer Importer
pkg go/types, type Config struct, Sizes Sizes
pkg go/types, type Const struct
pkg go/types, type Error struct
pkg go/types, type Error struct, Fset *token.FileSet
pkg go/types, type Error struct, Msg string
pkg go/types, type Error struct, Pos token.Pos
pkg go/types, type Error struct, Soft bool
pkg go/types, type Func struct
pkg go/types, type Importer interface { Import }
pkg go/types, type Importer interface, Import(string) (*Package, error)
pkg go/types, type Info struct
pkg go/types, type Info struct, Defs map[*ast.Ident]Object
pkg go/types, type Info struct, Implicits map[ast.Node]Object
pkg go/types, type Info struct, InitOrder []*Initializer
pkg go/types, type Info struct, Scopes map[ast.Node]*Scope
pkg go/types, type Info struct, Selections map[*ast.SelectorExpr]*Selection
pkg go/types, type Info struct, Types map[ast.Expr]TypeAndValue
pkg go/types, type Info struct, Uses map[*ast.Ident]Object
pkg go/types, type Initializer struct
pkg go/types, type Initializer struct, Lhs []*Var
pkg go/types, type Initializer struct, Rhs ast.Expr
pkg go/types, type Interface struct
pkg go/types, type Label struct
pkg go/types, type Map struct
pkg go/types, type MethodSet struct
pkg go/types, type Named struct
pkg go/types, type Nil struct
pkg go/types, type Object interface, Exported() bool
pkg go/types, type Object interface, Id() string
pkg go/types, type Object interface, Name() string
pkg go/types, type Object interface, Parent() *Scope
pkg go/types, type Object interface, Pkg() *Package
pkg go/types, type Object interface, Pos() token.Pos
pkg go/types, type Object interface, String() string
pkg go/types, type Object interface, Type() Type
pkg go/types, type Object interface, unexported methods
pkg go/types, type Package struct
pkg go/types, type PkgName struct
pkg go/types, type Pointer struct
pkg go/types, type Qualifier func(*Package) string
pkg go/types, type Scope struct
pkg go/types, type Selection struct
pkg go/types, type SelectionKind int
pkg go/types, type Signature struct
pkg go/types, type Sizes interface { Alignof, Offsetsof, Sizeof }
pkg go/types, type Sizes interface, Alignof(Type) int64
pkg go/types, type Sizes interface, Offsetsof([]*Var) []int64
pkg go/types, type Sizes interface, Sizeof(Type) int64
pkg go/types, type Slice struct
pkg go/types, type StdSizes struct
pkg go/types, type StdSizes struct, MaxAlign int64
pkg go/types, type StdSizes struct, WordSize int64
pkg go/types, type Struct struct
pkg go/types, type Tuple struct
pkg go/types, type Type interface { String, Underlying }
pkg go/types, type Type interface, String() string
pkg go/types, type Type interface, Underlying() Type
pkg go/types, type TypeAndValue struct
pkg go/types, type TypeAndValue struct, Type Type
pkg go/types, type TypeAndValue struct, Value constant.Value
pkg go/types, type TypeName struct
pkg go/types, type Var struct
pkg go/types, var Typ []*Basic
pkg go/types, var Universe *Scope
pkg go/types, var Unsafe *Package
pkg html/template, method (*Template) Option(...string) *Template
pkg image, const YCbCrSubsampleRatio410 = 5
pkg image, const YCbCrSubsampleRatio410 YCbCrSubsampleRatio
pkg image, const YCbCrSubsampleRatio411 = 4
pkg image, const YCbCrSubsampleRatio411 YCbCrSubsampleRatio
pkg image, func NewCMYK(Rectangle) *CMYK
pkg image, method (*CMYK) At(int, int) color.Color
pkg image, method (*CMYK) Bounds() Rectangle
pkg image, method (*CMYK) CMYKAt(int, int) color.CMYK
pkg image, method (*CMYK) ColorModel() color.Model
pkg image, method (*CMYK) Opaque() bool
pkg image, method (*CMYK) PixOffset(int, int) int
pkg image, method (*CMYK) Set(int, int, color.Color)
pkg image, method (*CMYK) SetCMYK(int, int, color.CMYK)
pkg image, method (*CMYK) SubImage(Rectangle) Image
pkg image, method (Rectangle) At(int, int) color.Color
pkg image, method (Rectangle) Bounds() Rectangle
pkg image, method (Rectangle) ColorModel() color.Model
pkg image, type CMYK struct
pkg image, type CMYK struct, Pix []uint8
pkg image, type CMYK struct, Rect Rectangle
pkg image, type CMYK struct, Stride int
pkg image/color, func CMYKToRGB(uint8, uint8, uint8, uint8) (uint8, uint8, uint8)
pkg image/color, func RGBToCMYK(uint8, uint8, uint8) (uint8, uint8, uint8, uint8)
pkg image/color, method (CMYK) RGBA() (uint32, uint32, uint32, uint32)
pkg image/color, type CMYK struct
pkg image/color, type CMYK struct, C uint8
pkg image/color, type CMYK struct, K uint8
pkg image/color, type CMYK struct, M uint8
pkg image/color, type CMYK struct, Y uint8
pkg image/color, var CMYKModel Model
pkg image/gif, const DisposalBackground = 2
pkg image/gif, const DisposalBackground ideal-int
pkg image/gif, const DisposalNone = 1
pkg image/gif, const DisposalNone ideal-int
pkg image/gif, const DisposalPrevious = 3
pkg image/gif, const DisposalPrevious ideal-int
pkg image/gif, type GIF struct, BackgroundIndex uint8
pkg image/gif, type GIF struct, Config image.Config
pkg image/gif, type GIF struct, Disposal []uint8
pkg io, func CopyBuffer(Writer, Reader, []uint8) (int64, error)
pkg log, const LUTC = 32
pkg log, const LUTC ideal-int
pkg log, func Output(int, string) error
pkg log, method (*Logger) SetOutput(io.Writer)
pkg math/big, const Above = 1
pkg math/big, const Above Accuracy
pkg math/big, const AwayFromZero = 3
pkg math/big, const AwayFromZero RoundingMode
pkg math/big, const Below = -1
pkg math/big, const Below Accuracy
pkg math/big, const Exact = 0
pkg math/big, const Exact Accuracy
pkg math/big, const MaxExp = 2147483647
pkg math/big, const MaxExp ideal-int
pkg math/big, const MaxPrec = 4294967295
pkg math/big, const MaxPrec ideal-int
pkg math/big, const MinExp = -2147483648
pkg math/big, const MinExp ideal-int
pkg math/big, const ToNearestAway = 1
pkg math/big, const ToNearestAway RoundingMode
pkg math/big, const ToNearestEven = 0
pkg math/big, const ToNearestEven RoundingMode
pkg math/big, const ToNegativeInf = 4
pkg math/big, const ToNegativeInf RoundingMode
pkg math/big, const ToPositiveInf = 5
pkg math/big, const ToPositiveInf RoundingMode
pkg math/big, const ToZero = 2
pkg math/big, const ToZero RoundingMode
pkg math/big, func Jacobi(*Int, *Int) int
pkg math/big, func NewFloat(float64) *Float
pkg math/big, func ParseFloat(string, int, uint, RoundingMode) (*Float, int, error)
pkg math/big, method (*Float) Abs(*Float) *Float
pkg math/big, method (*Float) Acc() Accuracy
pkg math/big, method (*Float) Add(*Float, *Float) *Float
pkg math/big, method (*Float) Append([]uint8, uint8, int) []uint8
pkg math/big, method (*Float) Cmp(*Float) int
pkg math/big, method (*Float) Copy(*Float) *Float
pkg math/big, method (*Float) Float32() (float32, Accuracy)
pkg math/big, method (*Float) Float64() (float64, Accuracy)
pkg math/big, method (*Float) Format(fmt.State, int32)
pkg math/big, method (*Float) Int(*Int) (*Int, Accuracy)
pkg math/big, method (*Float) Int64() (int64, Accuracy)
pkg math/big, method (*Float) IsInf() bool
pkg math/big, method (*Float) IsInt() bool
pkg math/big, method (*Float) MantExp(*Float) int
pkg math/big, method (*Float) MinPrec() uint
pkg math/big, method (*Float) Mode() RoundingMode
pkg math/big, method (*Float) Mul(*Float, *Float) *Float
pkg math/big, method (*Float) Neg(*Float) *Float
pkg math/big, method (*Float) Parse(string, int) (*Float, int, error)
pkg math/big, method (*Float) Prec() uint
pkg math/big, method (*Float) Quo(*Float, *Float) *Float
pkg math/big, method (*Float) Rat(*Rat) (*Rat, Accuracy)
pkg math/big, method (*Float) Set(*Float) *Float
pkg math/big, method (*Float) SetFloat64(float64) *Float
pkg math/big, method (*Float) SetInf(bool) *Float
pkg math/big, method (*Float) SetInt(*Int) *Float
pkg math/big, method (*Float) SetInt64(int64) *Float
pkg math/big, method (*Float) SetMantExp(*Float, int) *Float
pkg math/big, method (*Float) SetMode(RoundingMode) *Float
pkg math/big, method (*Float) SetPrec(uint) *Float
pkg math/big, method (*Float) SetRat(*Rat) *Float
pkg math/big, method (*Float) SetString(string) (*Float, bool)
pkg math/big, method (*Float) SetUint64(uint64) *Float
pkg math/big, method (*Float) Sign() int
pkg math/big, method (*Float) Signbit() bool
pkg math/big, method (*Float) String() string
pkg math/big, method (*Float) Sub(*Float, *Float) *Float
pkg math/big, method (*Float) Text(uint8, int) string
pkg math/big, method (*Float) Uint64() (uint64, Accuracy)
pkg math/big, method (*Int) ModSqrt(*Int, *Int) *Int
pkg math/big, method (Accuracy) String() string
pkg math/big, method (ErrNaN) Error() string
pkg math/big, method (RoundingMode) String() string
pkg math/big, type Accuracy int8
pkg math/big, type ErrNaN struct
pkg math/big, type Float struct
pkg math/big, type RoundingMode uint8
pkg mime, const BEncoding = 98
pkg mime, const BEncoding WordEncoder
pkg mime, const QEncoding = 113
pkg mime, const QEncoding WordEncoder
pkg mime, func ExtensionsByType(string) ([]string, error)
pkg mime, method (*WordDecoder) Decode(string) (string, error)
pkg mime, method (*WordDecoder) DecodeHeader(string) (string, error)
pkg mime, method (WordEncoder) Encode(string, string) string
pkg mime, type WordDecoder struct
pkg mime, type WordDecoder struct, CharsetReader func(string, io.Reader) (io.Reader, error)
pkg mime, type WordEncoder uint8
pkg mime/quotedprintable, func NewReader(io.Reader) *Reader
pkg mime/quotedprintable, func NewWriter(io.Writer) *Writer
pkg mime/quotedprintable, method (*Reader) Read([]uint8) (int, error)
pkg mime/quotedprintable, method (*Writer) Close() error
pkg mime/quotedprintable, method (*Writer) Write([]uint8) (int, error)
pkg mime/quotedprintable, type Reader struct
pkg mime/quotedprintable, type Writer struct
pkg mime/quotedprintable, type Writer struct, Binary bool
pkg net, type Dialer struct, FallbackDelay time.Duration
pkg net, type OpError struct, Source Addr
pkg net/http, type Request struct, Cancel <-chan struct
pkg net/http/fcgi, var ErrConnClosed error
pkg net/http/fcgi, var ErrRequestAborted error
pkg net/http/pprof, func Trace(http.ResponseWriter, *http.Request)
pkg net/mail, method (*AddressParser) Parse(string) (*Address, error)
pkg net/mail, method (*AddressParser) ParseList(string) ([]*Address, error)
pkg net/mail, type AddressParser struct
pkg net/mail, type AddressParser struct, WordDecoder *mime.WordDecoder
pkg net/smtp, method (*Client) TLSConnectionState() (tls.ConnectionState, bool)
pkg net/url, method (*URL) EscapedPath() string
pkg net/url, type URL struct, RawPath string
pkg os, func LookupEnv(string) (string, bool)
pkg os/signal, func Ignore(...os.Signal)
pkg os/signal, func Reset(...os.Signal)
pkg reflect, func ArrayOf(int, Type) Type
pkg reflect, func FuncOf([]Type, []Type, bool) Type
pkg runtime, func ReadTrace() []uint8
pkg runtime, func StartTrace() error
pkg runtime, func StopTrace()
pkg runtime, type MemStats struct, GCCPUFraction float64
pkg runtime/trace, func Start(io.Writer) error
pkg runtime/trace, func Stop()
pkg strings, func Compare(string, string) int
pkg strings, func LastIndexByte(string, uint8) int
pkg strings, method (*Reader) Size() int64
pkg syscall (darwin-386), type SysProcAttr struct, Ctty int
pkg syscall (darwin-386), type SysProcAttr struct, Foreground bool
pkg syscall (darwin-386), type SysProcAttr struct, Pgid int
pkg syscall (darwin-386-cgo), type SysProcAttr struct, Ctty int
pkg syscall (darwin-386-cgo), type SysProcAttr struct, Foreground bool
pkg syscall (darwin-386-cgo), type SysProcAttr struct, Pgid int
pkg syscall (darwin-amd64), type SysProcAttr struct, Ctty int
pkg syscall (darwin-amd64), type SysProcAttr struct, Foreground bool
pkg syscall (darwin-amd64), type SysProcAttr struct, Pgid int
pkg syscall (darwin-amd64-cgo), type SysProcAttr struct, Ctty int
pkg syscall (darwin-amd64-cgo), type SysProcAttr struct, Foreground bool
pkg syscall (darwin-amd64-cgo), type SysProcAttr struct, Pgid int
pkg syscall (freebsd-386), type SysProcAttr struct, Ctty int
pkg syscall (freebsd-386), type SysProcAttr struct, Foreground bool
pkg syscall (freebsd-386), type SysProcAttr struct, Pgid int
pkg syscall (freebsd-386-cgo), type SysProcAttr struct, Ctty int
pkg syscall (freebsd-386-cgo), type SysProcAttr struct, Foreground bool
pkg syscall (freebsd-386-cgo), type SysProcAttr struct, Pgid int
pkg syscall (freebsd-amd64), type SysProcAttr struct, Ctty int
pkg syscall (freebsd-amd64), type SysProcAttr struct, Foreground bool
pkg syscall (freebsd-amd64), type SysProcAttr struct, Pgid int
pkg syscall (freebsd-amd64-cgo), type SysProcAttr struct, Ctty int
pkg syscall (freebsd-amd64-cgo), type SysProcAttr struct, Foreground bool
pkg syscall (freebsd-amd64-cgo), type SysProcAttr struct, Pgid int
pkg syscall (freebsd-arm), type SysProcAttr struct, Ctty int
pkg syscall (freebsd-arm), type SysProcAttr struct, Foreground bool
pkg syscall (freebsd-arm), type SysProcAttr struct, Pgid int
pkg syscall (freebsd-arm-cgo), type SysProcAttr struct, Ctty int
pkg syscall (freebsd-arm-cgo), type SysProcAttr struct, Foreground bool
pkg syscall (freebsd-arm-cgo), type SysProcAttr struct, Pgid int
pkg syscall (linux-386), type SysProcAttr struct, Foreground bool
pkg syscall (linux-386), type SysProcAttr struct, GidMappingsEnableSetgroups bool
pkg syscall (linux-386), type SysProcAttr struct, Pgid int
pkg syscall (linux-386-cgo), type SysProcAttr struct, Foreground bool
pkg syscall (linux-386-cgo), type SysProcAttr struct, GidMappingsEnableSetgroups bool
pkg syscall (linux-386-cgo), type SysProcAttr struct, Pgid int
pkg syscall (linux-amd64), type SysProcAttr struct, Foreground bool
pkg syscall (linux-amd64), type SysProcAttr struct, GidMappingsEnableSetgroups bool
pkg syscall (linux-amd64), type SysProcAttr struct, Pgid int
pkg syscall (linux-amd64-cgo), type SysProcAttr struct, Foreground bool
pkg syscall (linux-amd64-cgo), type SysProcAttr struct, GidMappingsEnableSetgroups bool
pkg syscall (linux-amd64-cgo), type SysProcAttr struct, Pgid int
pkg syscall (linux-arm), type SysProcAttr struct, Foreground bool
pkg syscall (linux-arm), type SysProcAttr struct, GidMappingsEnableSetgroups bool
pkg syscall (linux-arm), type SysProcAttr struct, Pgid int
pkg syscall (linux-arm-cgo), type SysProcAttr struct, Foreground bool
pkg syscall (linux-arm-cgo), type SysProcAttr struct, GidMappingsEnableSetgroups bool
pkg syscall (linux-arm-cgo), type SysProcAttr struct, Pgid int
pkg syscall (netbsd-386), type SysProcAttr struct, Ctty int
pkg syscall (netbsd-386), type SysProcAttr struct, Foreground bool
pkg syscall (netbsd-386), type SysProcAttr struct, Pgid int
pkg syscall (netbsd-386-cgo), type SysProcAttr struct, Ctty int
pkg syscall (netbsd-386-cgo), type SysProcAttr struct, Foreground bool
pkg syscall (netbsd-386-cgo), type SysProcAttr struct, Pgid int
pkg syscall (netbsd-amd64), type SysProcAttr struct, Ctty int
pkg syscall (netbsd-amd64), type SysProcAttr struct, Foreground bool
pkg syscall (netbsd-amd64), type SysProcAttr struct, Pgid int
pkg syscall (netbsd-amd64-cgo), type SysProcAttr struct, Ctty int
pkg syscall (netbsd-amd64-cgo), type SysProcAttr struct, Foreground bool
pkg syscall (netbsd-amd64-cgo), type SysProcAttr struct, Pgid int
pkg syscall (netbsd-arm), type SysProcAttr struct, Ctty int
pkg syscall (netbsd-arm), type SysProcAttr struct, Foreground bool
pkg syscall (netbsd-arm), type SysProcAttr struct, Pgid int
pkg syscall (netbsd-arm-cgo), type SysProcAttr struct, Ctty int
pkg syscall (netbsd-arm-cgo), type SysProcAttr struct, Foreground bool
pkg syscall (netbsd-arm-cgo), type SysProcAttr struct, Pgid int
pkg syscall (openbsd-386), type SysProcAttr struct, Ctty int
pkg syscall (openbsd-386), type SysProcAttr struct, Foreground bool
pkg syscall (openbsd-386), type SysProcAttr struct, Pgid int
pkg syscall (openbsd-386-cgo), type SysProcAttr struct, Ctty int
pkg syscall (openbsd-386-cgo), type SysProcAttr struct, Foreground bool
pkg syscall (openbsd-386-cgo), type SysProcAttr struct, Pgid int
pkg syscall (openbsd-amd64), type SysProcAttr struct, Ctty int
pkg syscall (openbsd-amd64), type SysProcAttr struct, Foreground bool
pkg syscall (openbsd-amd64), type SysProcAttr struct, Pgid int
pkg syscall (openbsd-amd64-cgo), type SysProcAttr struct, Ctty int
pkg syscall (openbsd-amd64-cgo), type SysProcAttr struct, Foreground bool
pkg syscall (openbsd-amd64-cgo), type SysProcAttr struct, Pgid int
pkg text/template, method (*Template) DefinedTemplates() string
pkg text/template, method (*Template) Option(...string) *Template
pkg time, method (Time) AppendFormat([]uint8, string) []uint8
pkg unicode, const Version = "8.0.0"
pkg unicode, var Ahom *RangeTable
pkg unicode, var Anatolian_Hieroglyphs *RangeTable
pkg unicode, var Hatran *RangeTable
pkg unicode, var Multani *RangeTable
pkg unicode, var Old_Hungarian *RangeTable
pkg unicode, var SignWriting *RangeTable

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@@ -1,275 +0,0 @@
pkg archive/zip, method (*ReadCloser) RegisterDecompressor(uint16, Decompressor)
pkg archive/zip, method (*Reader) RegisterDecompressor(uint16, Decompressor)
pkg archive/zip, method (*Writer) RegisterCompressor(uint16, Compressor)
pkg bufio, method (*Scanner) Buffer([]uint8, int)
pkg bufio, var ErrFinalToken error
pkg crypto/tls, const TLS_RSA_WITH_AES_128_GCM_SHA256 = 156
pkg crypto/tls, const TLS_RSA_WITH_AES_128_GCM_SHA256 uint16
pkg crypto/tls, const TLS_RSA_WITH_AES_256_GCM_SHA384 = 157
pkg crypto/tls, const TLS_RSA_WITH_AES_256_GCM_SHA384 uint16
pkg crypto/tls, method (RecordHeaderError) Error() string
pkg crypto/tls, type RecordHeaderError struct
pkg crypto/tls, type RecordHeaderError struct, Msg string
pkg crypto/tls, type RecordHeaderError struct, RecordHeader [5]uint8
pkg crypto/x509, method (InsecureAlgorithmError) Error() string
pkg crypto/x509, method (SignatureAlgorithm) String() string
pkg crypto/x509, type InsecureAlgorithmError int
pkg database/sql, method (*DB) SetConnMaxLifetime(time.Duration)
pkg debug/dwarf, const ClassUnknown = 0
pkg debug/dwarf, const ClassUnknown Class
pkg debug/elf, const COMPRESS_HIOS = 1879048191
pkg debug/elf, const COMPRESS_HIOS CompressionType
pkg debug/elf, const COMPRESS_HIPROC = 2147483647
pkg debug/elf, const COMPRESS_HIPROC CompressionType
pkg debug/elf, const COMPRESS_LOOS = 1610612736
pkg debug/elf, const COMPRESS_LOOS CompressionType
pkg debug/elf, const COMPRESS_LOPROC = 1879048192
pkg debug/elf, const COMPRESS_LOPROC CompressionType
pkg debug/elf, const COMPRESS_ZLIB = 1
pkg debug/elf, const COMPRESS_ZLIB CompressionType
pkg debug/elf, const R_MIPS_16 = 1
pkg debug/elf, const R_MIPS_16 R_MIPS
pkg debug/elf, const R_MIPS_26 = 4
pkg debug/elf, const R_MIPS_26 R_MIPS
pkg debug/elf, const R_MIPS_32 = 2
pkg debug/elf, const R_MIPS_32 R_MIPS
pkg debug/elf, const R_MIPS_64 = 18
pkg debug/elf, const R_MIPS_64 R_MIPS
pkg debug/elf, const R_MIPS_ADD_IMMEDIATE = 34
pkg debug/elf, const R_MIPS_ADD_IMMEDIATE R_MIPS
pkg debug/elf, const R_MIPS_CALL16 = 11
pkg debug/elf, const R_MIPS_CALL16 R_MIPS
pkg debug/elf, const R_MIPS_CALL_HI16 = 30
pkg debug/elf, const R_MIPS_CALL_HI16 R_MIPS
pkg debug/elf, const R_MIPS_CALL_LO16 = 31
pkg debug/elf, const R_MIPS_CALL_LO16 R_MIPS
pkg debug/elf, const R_MIPS_DELETE = 27
pkg debug/elf, const R_MIPS_DELETE R_MIPS
pkg debug/elf, const R_MIPS_GOT16 = 9
pkg debug/elf, const R_MIPS_GOT16 R_MIPS
pkg debug/elf, const R_MIPS_GOT_DISP = 19
pkg debug/elf, const R_MIPS_GOT_DISP R_MIPS
pkg debug/elf, const R_MIPS_GOT_HI16 = 22
pkg debug/elf, const R_MIPS_GOT_HI16 R_MIPS
pkg debug/elf, const R_MIPS_GOT_LO16 = 23
pkg debug/elf, const R_MIPS_GOT_LO16 R_MIPS
pkg debug/elf, const R_MIPS_GOT_OFST = 21
pkg debug/elf, const R_MIPS_GOT_OFST R_MIPS
pkg debug/elf, const R_MIPS_GOT_PAGE = 20
pkg debug/elf, const R_MIPS_GOT_PAGE R_MIPS
pkg debug/elf, const R_MIPS_GPREL16 = 7
pkg debug/elf, const R_MIPS_GPREL16 R_MIPS
pkg debug/elf, const R_MIPS_GPREL32 = 12
pkg debug/elf, const R_MIPS_GPREL32 R_MIPS
pkg debug/elf, const R_MIPS_HI16 = 5
pkg debug/elf, const R_MIPS_HI16 R_MIPS
pkg debug/elf, const R_MIPS_HIGHER = 28
pkg debug/elf, const R_MIPS_HIGHER R_MIPS
pkg debug/elf, const R_MIPS_HIGHEST = 29
pkg debug/elf, const R_MIPS_HIGHEST R_MIPS
pkg debug/elf, const R_MIPS_INSERT_A = 25
pkg debug/elf, const R_MIPS_INSERT_A R_MIPS
pkg debug/elf, const R_MIPS_INSERT_B = 26
pkg debug/elf, const R_MIPS_INSERT_B R_MIPS
pkg debug/elf, const R_MIPS_JALR = 37
pkg debug/elf, const R_MIPS_JALR R_MIPS
pkg debug/elf, const R_MIPS_LITERAL = 8
pkg debug/elf, const R_MIPS_LITERAL R_MIPS
pkg debug/elf, const R_MIPS_LO16 = 6
pkg debug/elf, const R_MIPS_LO16 R_MIPS
pkg debug/elf, const R_MIPS_NONE = 0
pkg debug/elf, const R_MIPS_NONE R_MIPS
pkg debug/elf, const R_MIPS_PC16 = 10
pkg debug/elf, const R_MIPS_PC16 R_MIPS
pkg debug/elf, const R_MIPS_PJUMP = 35
pkg debug/elf, const R_MIPS_PJUMP R_MIPS
pkg debug/elf, const R_MIPS_REL16 = 33
pkg debug/elf, const R_MIPS_REL16 R_MIPS
pkg debug/elf, const R_MIPS_REL32 = 3
pkg debug/elf, const R_MIPS_REL32 R_MIPS
pkg debug/elf, const R_MIPS_RELGOT = 36
pkg debug/elf, const R_MIPS_RELGOT R_MIPS
pkg debug/elf, const R_MIPS_SCN_DISP = 32
pkg debug/elf, const R_MIPS_SCN_DISP R_MIPS
pkg debug/elf, const R_MIPS_SHIFT5 = 16
pkg debug/elf, const R_MIPS_SHIFT5 R_MIPS
pkg debug/elf, const R_MIPS_SHIFT6 = 17
pkg debug/elf, const R_MIPS_SHIFT6 R_MIPS
pkg debug/elf, const R_MIPS_SUB = 24
pkg debug/elf, const R_MIPS_SUB R_MIPS
pkg debug/elf, const R_MIPS_TLS_DTPMOD32 = 38
pkg debug/elf, const R_MIPS_TLS_DTPMOD32 R_MIPS
pkg debug/elf, const R_MIPS_TLS_DTPMOD64 = 40
pkg debug/elf, const R_MIPS_TLS_DTPMOD64 R_MIPS
pkg debug/elf, const R_MIPS_TLS_DTPREL32 = 39
pkg debug/elf, const R_MIPS_TLS_DTPREL32 R_MIPS
pkg debug/elf, const R_MIPS_TLS_DTPREL64 = 41
pkg debug/elf, const R_MIPS_TLS_DTPREL64 R_MIPS
pkg debug/elf, const R_MIPS_TLS_DTPREL_HI16 = 44
pkg debug/elf, const R_MIPS_TLS_DTPREL_HI16 R_MIPS
pkg debug/elf, const R_MIPS_TLS_DTPREL_LO16 = 45
pkg debug/elf, const R_MIPS_TLS_DTPREL_LO16 R_MIPS
pkg debug/elf, const R_MIPS_TLS_GD = 42
pkg debug/elf, const R_MIPS_TLS_GD R_MIPS
pkg debug/elf, const R_MIPS_TLS_GOTTPREL = 46
pkg debug/elf, const R_MIPS_TLS_GOTTPREL R_MIPS
pkg debug/elf, const R_MIPS_TLS_LDM = 43
pkg debug/elf, const R_MIPS_TLS_LDM R_MIPS
pkg debug/elf, const R_MIPS_TLS_TPREL32 = 47
pkg debug/elf, const R_MIPS_TLS_TPREL32 R_MIPS
pkg debug/elf, const R_MIPS_TLS_TPREL64 = 48
pkg debug/elf, const R_MIPS_TLS_TPREL64 R_MIPS
pkg debug/elf, const R_MIPS_TLS_TPREL_HI16 = 49
pkg debug/elf, const R_MIPS_TLS_TPREL_HI16 R_MIPS
pkg debug/elf, const R_MIPS_TLS_TPREL_LO16 = 50
pkg debug/elf, const R_MIPS_TLS_TPREL_LO16 R_MIPS
pkg debug/elf, const SHF_COMPRESSED = 2048
pkg debug/elf, const SHF_COMPRESSED SectionFlag
pkg debug/elf, method (CompressionType) GoString() string
pkg debug/elf, method (CompressionType) String() string
pkg debug/elf, method (R_MIPS) GoString() string
pkg debug/elf, method (R_MIPS) String() string
pkg debug/elf, type Chdr32 struct
pkg debug/elf, type Chdr32 struct, Addralign uint32
pkg debug/elf, type Chdr32 struct, Size uint32
pkg debug/elf, type Chdr32 struct, Type uint32
pkg debug/elf, type Chdr64 struct
pkg debug/elf, type Chdr64 struct, Addralign uint64
pkg debug/elf, type Chdr64 struct, Size uint64
pkg debug/elf, type Chdr64 struct, Type uint32
pkg debug/elf, type CompressionType int
pkg debug/elf, type R_MIPS int
pkg debug/elf, type SectionHeader struct, FileSize uint64
pkg encoding/asn1, const ClassApplication = 1
pkg encoding/asn1, const ClassApplication ideal-int
pkg encoding/asn1, const ClassContextSpecific = 2
pkg encoding/asn1, const ClassContextSpecific ideal-int
pkg encoding/asn1, const ClassPrivate = 3
pkg encoding/asn1, const ClassPrivate ideal-int
pkg encoding/asn1, const ClassUniversal = 0
pkg encoding/asn1, const ClassUniversal ideal-int
pkg encoding/asn1, const TagBitString = 3
pkg encoding/asn1, const TagBitString ideal-int
pkg encoding/asn1, const TagBoolean = 1
pkg encoding/asn1, const TagBoolean ideal-int
pkg encoding/asn1, const TagEnum = 10
pkg encoding/asn1, const TagEnum ideal-int
pkg encoding/asn1, const TagGeneralString = 27
pkg encoding/asn1, const TagGeneralString ideal-int
pkg encoding/asn1, const TagGeneralizedTime = 24
pkg encoding/asn1, const TagGeneralizedTime ideal-int
pkg encoding/asn1, const TagIA5String = 22
pkg encoding/asn1, const TagIA5String ideal-int
pkg encoding/asn1, const TagInteger = 2
pkg encoding/asn1, const TagInteger ideal-int
pkg encoding/asn1, const TagOID = 6
pkg encoding/asn1, const TagOID ideal-int
pkg encoding/asn1, const TagOctetString = 4
pkg encoding/asn1, const TagOctetString ideal-int
pkg encoding/asn1, const TagPrintableString = 19
pkg encoding/asn1, const TagPrintableString ideal-int
pkg encoding/asn1, const TagSequence = 16
pkg encoding/asn1, const TagSequence ideal-int
pkg encoding/asn1, const TagSet = 17
pkg encoding/asn1, const TagSet ideal-int
pkg encoding/asn1, const TagT61String = 20
pkg encoding/asn1, const TagT61String ideal-int
pkg encoding/asn1, const TagUTCTime = 23
pkg encoding/asn1, const TagUTCTime ideal-int
pkg encoding/asn1, const TagUTF8String = 12
pkg encoding/asn1, const TagUTF8String ideal-int
pkg go/build, const IgnoreVendor = 8
pkg go/build, const IgnoreVendor ImportMode
pkg go/build, type Package struct, InvalidGoFiles []string
pkg go/constant, func ToComplex(Value) Value
pkg go/constant, func ToFloat(Value) Value
pkg go/constant, func ToInt(Value) Value
pkg go/constant, type Value interface, ExactString() string
pkg go/types, method (*Package) SetName(string)
pkg go/types, type ImportMode int
pkg go/types, type ImporterFrom interface { Import, ImportFrom }
pkg go/types, type ImporterFrom interface, Import(string) (*Package, error)
pkg go/types, type ImporterFrom interface, ImportFrom(string, string, ImportMode) (*Package, error)
pkg html/template, func IsTrue(interface{}) (bool, bool)
pkg html/template, method (*Template) DefinedTemplates() string
pkg image, func NewNYCbCrA(Rectangle, YCbCrSubsampleRatio) *NYCbCrA
pkg image, method (*NYCbCrA) AOffset(int, int) int
pkg image, method (*NYCbCrA) At(int, int) color.Color
pkg image, method (*NYCbCrA) Bounds() Rectangle
pkg image, method (*NYCbCrA) COffset(int, int) int
pkg image, method (*NYCbCrA) ColorModel() color.Model
pkg image, method (*NYCbCrA) NYCbCrAAt(int, int) color.NYCbCrA
pkg image, method (*NYCbCrA) Opaque() bool
pkg image, method (*NYCbCrA) SubImage(Rectangle) Image
pkg image, method (*NYCbCrA) YCbCrAt(int, int) color.YCbCr
pkg image, method (*NYCbCrA) YOffset(int, int) int
pkg image, type NYCbCrA struct
pkg image, type NYCbCrA struct, A []uint8
pkg image, type NYCbCrA struct, AStride int
pkg image, type NYCbCrA struct, embedded YCbCr
pkg image/color, method (NYCbCrA) RGBA() (uint32, uint32, uint32, uint32)
pkg image/color, type NYCbCrA struct
pkg image/color, type NYCbCrA struct, A uint8
pkg image/color, type NYCbCrA struct, embedded YCbCr
pkg image/color, var NYCbCrAModel Model
pkg math/big, method (*Float) MarshalText() ([]uint8, error)
pkg math/big, method (*Float) UnmarshalText([]uint8) error
pkg math/big, method (*Int) Append([]uint8, int) []uint8
pkg math/big, method (*Int) Text(int) string
pkg math/rand, func Read([]uint8) (int, error)
pkg math/rand, method (*Rand) Read([]uint8) (int, error)
pkg net, type DNSError struct, IsTemporary bool
pkg net, type Dialer struct, Cancel <-chan struct
pkg net/http, const MethodConnect = "CONNECT"
pkg net/http, const MethodConnect ideal-string
pkg net/http, const MethodDelete = "DELETE"
pkg net/http, const MethodDelete ideal-string
pkg net/http, const MethodGet = "GET"
pkg net/http, const MethodGet ideal-string
pkg net/http, const MethodHead = "HEAD"
pkg net/http, const MethodHead ideal-string
pkg net/http, const MethodOptions = "OPTIONS"
pkg net/http, const MethodOptions ideal-string
pkg net/http, const MethodPatch = "PATCH"
pkg net/http, const MethodPatch ideal-string
pkg net/http, const MethodPost = "POST"
pkg net/http, const MethodPost ideal-string
pkg net/http, const MethodPut = "PUT"
pkg net/http, const MethodPut ideal-string
pkg net/http, const MethodTrace = "TRACE"
pkg net/http, const MethodTrace ideal-string
pkg net/http, const StatusNetworkAuthenticationRequired = 511
pkg net/http, const StatusNetworkAuthenticationRequired ideal-int
pkg net/http, const StatusPreconditionRequired = 428
pkg net/http, const StatusPreconditionRequired ideal-int
pkg net/http, const StatusRequestHeaderFieldsTooLarge = 431
pkg net/http, const StatusRequestHeaderFieldsTooLarge ideal-int
pkg net/http, const StatusTooManyRequests = 429
pkg net/http, const StatusTooManyRequests ideal-int
pkg net/http, const StatusUnavailableForLegalReasons = 451
pkg net/http, const StatusUnavailableForLegalReasons ideal-int
pkg net/http, type Transport struct, ExpectContinueTimeout time.Duration
pkg net/http, type Transport struct, TLSNextProto map[string]func(string, *tls.Conn) RoundTripper
pkg net/http, var ErrSkipAltProtocol error
pkg net/http/httptest, method (*ResponseRecorder) WriteString(string) (int, error)
pkg net/http/httputil, type BufferPool interface { Get, Put }
pkg net/http/httputil, type BufferPool interface, Get() []uint8
pkg net/http/httputil, type BufferPool interface, Put([]uint8)
pkg net/http/httputil, type ReverseProxy struct, BufferPool BufferPool
pkg net/url, method (*Error) Temporary() bool
pkg net/url, method (*Error) Timeout() bool
pkg net/url, method (InvalidHostError) Error() string
pkg net/url, type InvalidHostError string
pkg os/exec, type ExitError struct, Stderr []uint8
pkg regexp, method (*Regexp) Copy() *Regexp
pkg runtime/debug, func SetTraceback(string)
pkg strconv, func AppendQuoteRuneToGraphic([]uint8, int32) []uint8
pkg strconv, func AppendQuoteToGraphic([]uint8, string) []uint8
pkg strconv, func IsGraphic(int32) bool
pkg strconv, func QuoteRuneToGraphic(int32) string
pkg strconv, func QuoteToGraphic(string) string
pkg text/template, func IsTrue(interface{}) (bool, bool)
pkg text/template, method (ExecError) Error() string
pkg text/template, type ExecError struct
pkg text/template, type ExecError struct, Err error
pkg text/template, type ExecError struct, Name string

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@@ -1,285 +0,0 @@
pkg bytes, func ContainsAny([]uint8, string) bool
pkg bytes, func ContainsRune([]uint8, int32) bool
pkg bytes, method (*Reader) Reset([]uint8)
pkg compress/flate, const HuffmanOnly = -2
pkg compress/flate, const HuffmanOnly ideal-int
pkg context, func Background() Context
pkg context, func TODO() Context
pkg context, func WithCancel(Context) (Context, CancelFunc)
pkg context, func WithDeadline(Context, time.Time) (Context, CancelFunc)
pkg context, func WithTimeout(Context, time.Duration) (Context, CancelFunc)
pkg context, func WithValue(Context, interface{}, interface{}) Context
pkg context, type CancelFunc func()
pkg context, type Context interface { Deadline, Done, Err, Value }
pkg context, type Context interface, Deadline() (time.Time, bool)
pkg context, type Context interface, Done() <-chan struct
pkg context, type Context interface, Err() error
pkg context, type Context interface, Value(interface{}) interface{}
pkg context, var Canceled error
pkg context, var DeadlineExceeded error
pkg crypto/tls, const RenegotiateFreelyAsClient = 2
pkg crypto/tls, const RenegotiateFreelyAsClient RenegotiationSupport
pkg crypto/tls, const RenegotiateNever = 0
pkg crypto/tls, const RenegotiateNever RenegotiationSupport
pkg crypto/tls, const RenegotiateOnceAsClient = 1
pkg crypto/tls, const RenegotiateOnceAsClient RenegotiationSupport
pkg crypto/tls, type Config struct, DynamicRecordSizingDisabled bool
pkg crypto/tls, type Config struct, Renegotiation RenegotiationSupport
pkg crypto/tls, type RenegotiationSupport int
pkg crypto/x509, func SystemCertPool() (*CertPool, error)
pkg crypto/x509, type SystemRootsError struct, Err error
pkg debug/dwarf, method (*Data) Ranges(*Entry) ([][2]uint64, error)
pkg debug/dwarf, method (*Reader) SeekPC(uint64) (*Entry, error)
pkg debug/elf, const R_390_12 = 2
pkg debug/elf, const R_390_12 R_390
pkg debug/elf, const R_390_16 = 3
pkg debug/elf, const R_390_16 R_390
pkg debug/elf, const R_390_20 = 57
pkg debug/elf, const R_390_20 R_390
pkg debug/elf, const R_390_32 = 4
pkg debug/elf, const R_390_32 R_390
pkg debug/elf, const R_390_64 = 22
pkg debug/elf, const R_390_64 R_390
pkg debug/elf, const R_390_8 = 1
pkg debug/elf, const R_390_8 R_390
pkg debug/elf, const R_390_COPY = 9
pkg debug/elf, const R_390_COPY R_390
pkg debug/elf, const R_390_GLOB_DAT = 10
pkg debug/elf, const R_390_GLOB_DAT R_390
pkg debug/elf, const R_390_GOT12 = 6
pkg debug/elf, const R_390_GOT12 R_390
pkg debug/elf, const R_390_GOT16 = 15
pkg debug/elf, const R_390_GOT16 R_390
pkg debug/elf, const R_390_GOT20 = 58
pkg debug/elf, const R_390_GOT20 R_390
pkg debug/elf, const R_390_GOT32 = 7
pkg debug/elf, const R_390_GOT32 R_390
pkg debug/elf, const R_390_GOT64 = 24
pkg debug/elf, const R_390_GOT64 R_390
pkg debug/elf, const R_390_GOTENT = 26
pkg debug/elf, const R_390_GOTENT R_390
pkg debug/elf, const R_390_GOTOFF = 13
pkg debug/elf, const R_390_GOTOFF R_390
pkg debug/elf, const R_390_GOTOFF16 = 27
pkg debug/elf, const R_390_GOTOFF16 R_390
pkg debug/elf, const R_390_GOTOFF64 = 28
pkg debug/elf, const R_390_GOTOFF64 R_390
pkg debug/elf, const R_390_GOTPC = 14
pkg debug/elf, const R_390_GOTPC R_390
pkg debug/elf, const R_390_GOTPCDBL = 21
pkg debug/elf, const R_390_GOTPCDBL R_390
pkg debug/elf, const R_390_GOTPLT12 = 29
pkg debug/elf, const R_390_GOTPLT12 R_390
pkg debug/elf, const R_390_GOTPLT16 = 30
pkg debug/elf, const R_390_GOTPLT16 R_390
pkg debug/elf, const R_390_GOTPLT20 = 59
pkg debug/elf, const R_390_GOTPLT20 R_390
pkg debug/elf, const R_390_GOTPLT32 = 31
pkg debug/elf, const R_390_GOTPLT32 R_390
pkg debug/elf, const R_390_GOTPLT64 = 32
pkg debug/elf, const R_390_GOTPLT64 R_390
pkg debug/elf, const R_390_GOTPLTENT = 33
pkg debug/elf, const R_390_GOTPLTENT R_390
pkg debug/elf, const R_390_GOTPLTOFF16 = 34
pkg debug/elf, const R_390_GOTPLTOFF16 R_390
pkg debug/elf, const R_390_GOTPLTOFF32 = 35
pkg debug/elf, const R_390_GOTPLTOFF32 R_390
pkg debug/elf, const R_390_GOTPLTOFF64 = 36
pkg debug/elf, const R_390_GOTPLTOFF64 R_390
pkg debug/elf, const R_390_JMP_SLOT = 11
pkg debug/elf, const R_390_JMP_SLOT R_390
pkg debug/elf, const R_390_NONE = 0
pkg debug/elf, const R_390_NONE R_390
pkg debug/elf, const R_390_PC16 = 16
pkg debug/elf, const R_390_PC16 R_390
pkg debug/elf, const R_390_PC16DBL = 17
pkg debug/elf, const R_390_PC16DBL R_390
pkg debug/elf, const R_390_PC32 = 5
pkg debug/elf, const R_390_PC32 R_390
pkg debug/elf, const R_390_PC32DBL = 19
pkg debug/elf, const R_390_PC32DBL R_390
pkg debug/elf, const R_390_PC64 = 23
pkg debug/elf, const R_390_PC64 R_390
pkg debug/elf, const R_390_PLT16DBL = 18
pkg debug/elf, const R_390_PLT16DBL R_390
pkg debug/elf, const R_390_PLT32 = 8
pkg debug/elf, const R_390_PLT32 R_390
pkg debug/elf, const R_390_PLT32DBL = 20
pkg debug/elf, const R_390_PLT32DBL R_390
pkg debug/elf, const R_390_PLT64 = 25
pkg debug/elf, const R_390_PLT64 R_390
pkg debug/elf, const R_390_RELATIVE = 12
pkg debug/elf, const R_390_RELATIVE R_390
pkg debug/elf, const R_390_TLS_DTPMOD = 54
pkg debug/elf, const R_390_TLS_DTPMOD R_390
pkg debug/elf, const R_390_TLS_DTPOFF = 55
pkg debug/elf, const R_390_TLS_DTPOFF R_390
pkg debug/elf, const R_390_TLS_GD32 = 40
pkg debug/elf, const R_390_TLS_GD32 R_390
pkg debug/elf, const R_390_TLS_GD64 = 41
pkg debug/elf, const R_390_TLS_GD64 R_390
pkg debug/elf, const R_390_TLS_GDCALL = 38
pkg debug/elf, const R_390_TLS_GDCALL R_390
pkg debug/elf, const R_390_TLS_GOTIE12 = 42
pkg debug/elf, const R_390_TLS_GOTIE12 R_390
pkg debug/elf, const R_390_TLS_GOTIE20 = 60
pkg debug/elf, const R_390_TLS_GOTIE20 R_390
pkg debug/elf, const R_390_TLS_GOTIE32 = 43
pkg debug/elf, const R_390_TLS_GOTIE32 R_390
pkg debug/elf, const R_390_TLS_GOTIE64 = 44
pkg debug/elf, const R_390_TLS_GOTIE64 R_390
pkg debug/elf, const R_390_TLS_IE32 = 47
pkg debug/elf, const R_390_TLS_IE32 R_390
pkg debug/elf, const R_390_TLS_IE64 = 48
pkg debug/elf, const R_390_TLS_IE64 R_390
pkg debug/elf, const R_390_TLS_IEENT = 49
pkg debug/elf, const R_390_TLS_IEENT R_390
pkg debug/elf, const R_390_TLS_LDCALL = 39
pkg debug/elf, const R_390_TLS_LDCALL R_390
pkg debug/elf, const R_390_TLS_LDM32 = 45
pkg debug/elf, const R_390_TLS_LDM32 R_390
pkg debug/elf, const R_390_TLS_LDM64 = 46
pkg debug/elf, const R_390_TLS_LDM64 R_390
pkg debug/elf, const R_390_TLS_LDO32 = 52
pkg debug/elf, const R_390_TLS_LDO32 R_390
pkg debug/elf, const R_390_TLS_LDO64 = 53
pkg debug/elf, const R_390_TLS_LDO64 R_390
pkg debug/elf, const R_390_TLS_LE32 = 50
pkg debug/elf, const R_390_TLS_LE32 R_390
pkg debug/elf, const R_390_TLS_LE64 = 51
pkg debug/elf, const R_390_TLS_LE64 R_390
pkg debug/elf, const R_390_TLS_LOAD = 37
pkg debug/elf, const R_390_TLS_LOAD R_390
pkg debug/elf, const R_390_TLS_TPOFF = 56
pkg debug/elf, const R_390_TLS_TPOFF R_390
pkg debug/elf, method (R_390) GoString() string
pkg debug/elf, method (R_390) String() string
pkg debug/elf, type R_390 int
pkg encoding/json, method (*Encoder) SetEscapeHTML(bool)
pkg encoding/json, method (*Encoder) SetIndent(string, string)
pkg go/build, type Package struct, BinaryOnly bool
pkg go/build, type Package struct, CgoFFLAGS []string
pkg go/build, type Package struct, FFiles []string
pkg go/doc, type Example struct, Unordered bool
pkg io, const SeekCurrent = 1
pkg io, const SeekCurrent ideal-int
pkg io, const SeekEnd = 2
pkg io, const SeekEnd ideal-int
pkg io, const SeekStart = 0
pkg io, const SeekStart ideal-int
pkg math/big, method (*Float) GobDecode([]uint8) error
pkg math/big, method (*Float) GobEncode() ([]uint8, error)
pkg net, method (*Dialer) DialContext(context.Context, string, string) (Conn, error)
pkg net/http, const StatusAlreadyReported = 208
pkg net/http, const StatusAlreadyReported ideal-int
pkg net/http, const StatusFailedDependency = 424
pkg net/http, const StatusFailedDependency ideal-int
pkg net/http, const StatusIMUsed = 226
pkg net/http, const StatusIMUsed ideal-int
pkg net/http, const StatusInsufficientStorage = 507
pkg net/http, const StatusInsufficientStorage ideal-int
pkg net/http, const StatusLocked = 423
pkg net/http, const StatusLocked ideal-int
pkg net/http, const StatusLoopDetected = 508
pkg net/http, const StatusLoopDetected ideal-int
pkg net/http, const StatusMultiStatus = 207
pkg net/http, const StatusMultiStatus ideal-int
pkg net/http, const StatusNotExtended = 510
pkg net/http, const StatusNotExtended ideal-int
pkg net/http, const StatusPermanentRedirect = 308
pkg net/http, const StatusPermanentRedirect ideal-int
pkg net/http, const StatusProcessing = 102
pkg net/http, const StatusProcessing ideal-int
pkg net/http, const StatusUnprocessableEntity = 422
pkg net/http, const StatusUnprocessableEntity ideal-int
pkg net/http, const StatusUpgradeRequired = 426
pkg net/http, const StatusUpgradeRequired ideal-int
pkg net/http, const StatusVariantAlsoNegotiates = 506
pkg net/http, const StatusVariantAlsoNegotiates ideal-int
pkg net/http, method (*Request) Context() context.Context
pkg net/http, method (*Request) WithContext(context.Context) *Request
pkg net/http, type Request struct, Response *Response
pkg net/http, type Response struct, Uncompressed bool
pkg net/http, type Transport struct, DialContext func(context.Context, string, string) (net.Conn, error)
pkg net/http, type Transport struct, IdleConnTimeout time.Duration
pkg net/http, type Transport struct, MaxIdleConns int
pkg net/http, type Transport struct, MaxResponseHeaderBytes int64
pkg net/http, var ErrUseLastResponse error
pkg net/http, var LocalAddrContextKey *contextKey
pkg net/http, var ServerContextKey *contextKey
pkg net/http/cgi, type Handler struct, Stderr io.Writer
pkg net/http/httptest, func NewRequest(string, string, io.Reader) *http.Request
pkg net/http/httptest, method (*ResponseRecorder) Result() *http.Response
pkg net/http/httptrace, func ContextClientTrace(context.Context) *ClientTrace
pkg net/http/httptrace, func WithClientTrace(context.Context, *ClientTrace) context.Context
pkg net/http/httptrace, type ClientTrace struct
pkg net/http/httptrace, type ClientTrace struct, ConnectDone func(string, string, error)
pkg net/http/httptrace, type ClientTrace struct, ConnectStart func(string, string)
pkg net/http/httptrace, type ClientTrace struct, DNSDone func(DNSDoneInfo)
pkg net/http/httptrace, type ClientTrace struct, DNSStart func(DNSStartInfo)
pkg net/http/httptrace, type ClientTrace struct, GetConn func(string)
pkg net/http/httptrace, type ClientTrace struct, Got100Continue func()
pkg net/http/httptrace, type ClientTrace struct, GotConn func(GotConnInfo)
pkg net/http/httptrace, type ClientTrace struct, GotFirstResponseByte func()
pkg net/http/httptrace, type ClientTrace struct, PutIdleConn func(error)
pkg net/http/httptrace, type ClientTrace struct, Wait100Continue func()
pkg net/http/httptrace, type ClientTrace struct, WroteHeaders func()
pkg net/http/httptrace, type ClientTrace struct, WroteRequest func(WroteRequestInfo)
pkg net/http/httptrace, type DNSDoneInfo struct
pkg net/http/httptrace, type DNSDoneInfo struct, Addrs []net.IPAddr
pkg net/http/httptrace, type DNSDoneInfo struct, Coalesced bool
pkg net/http/httptrace, type DNSDoneInfo struct, Err error
pkg net/http/httptrace, type DNSStartInfo struct
pkg net/http/httptrace, type DNSStartInfo struct, Host string
pkg net/http/httptrace, type GotConnInfo struct
pkg net/http/httptrace, type GotConnInfo struct, Conn net.Conn
pkg net/http/httptrace, type GotConnInfo struct, IdleTime time.Duration
pkg net/http/httptrace, type GotConnInfo struct, Reused bool
pkg net/http/httptrace, type GotConnInfo struct, WasIdle bool
pkg net/http/httptrace, type WroteRequestInfo struct
pkg net/http/httptrace, type WroteRequestInfo struct, Err error
pkg net/url, type URL struct, ForceQuery bool
pkg os/exec, func CommandContext(context.Context, string, ...string) *Cmd
pkg os/user, func LookupGroup(string) (*Group, error)
pkg os/user, func LookupGroupId(string) (*Group, error)
pkg os/user, method (*User) GroupIds() ([]string, error)
pkg os/user, method (UnknownGroupError) Error() string
pkg os/user, method (UnknownGroupIdError) Error() string
pkg os/user, type Group struct
pkg os/user, type Group struct, Gid string
pkg os/user, type Group struct, Name string
pkg os/user, type UnknownGroupError string
pkg os/user, type UnknownGroupIdError string
pkg reflect, func StructOf([]StructField) Type
pkg reflect, method (StructTag) Lookup(string) (string, bool)
pkg runtime, func CallersFrames([]uintptr) *Frames
pkg runtime, func KeepAlive(interface{})
pkg runtime, func SetCgoTraceback(int, unsafe.Pointer, unsafe.Pointer, unsafe.Pointer)
pkg runtime, method (*Frames) Next() (Frame, bool)
pkg runtime, type Frame struct
pkg runtime, type Frame struct, Entry uintptr
pkg runtime, type Frame struct, File string
pkg runtime, type Frame struct, Func *Func
pkg runtime, type Frame struct, Function string
pkg runtime, type Frame struct, Line int
pkg runtime, type Frame struct, PC uintptr
pkg runtime, type Frames struct
pkg strings, method (*Reader) Reset(string)
pkg syscall (linux-386), type SysProcAttr struct, Unshareflags uintptr
pkg syscall (linux-386-cgo), type SysProcAttr struct, Unshareflags uintptr
pkg syscall (linux-amd64), type SysProcAttr struct, Unshareflags uintptr
pkg syscall (linux-amd64-cgo), type SysProcAttr struct, Unshareflags uintptr
pkg syscall (linux-arm), type SysProcAttr struct, Unshareflags uintptr
pkg syscall (linux-arm-cgo), type SysProcAttr struct, Unshareflags uintptr
pkg testing, method (*B) Run(string, func(*B)) bool
pkg testing, method (*T) Run(string, func(*T)) bool
pkg testing, type InternalExample struct, Unordered bool
pkg unicode, const Version = "9.0.0"
pkg unicode, var Adlam *RangeTable
pkg unicode, var Bhaiksuki *RangeTable
pkg unicode, var Marchen *RangeTable
pkg unicode, var Newa *RangeTable
pkg unicode, var Osage *RangeTable
pkg unicode, var Prepended_Concatenation_Mark *RangeTable
pkg unicode, var Sentence_Terminal *RangeTable
pkg unicode, var Tangut *RangeTable

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@@ -1,261 +0,0 @@
pkg compress/gzip, const HuffmanOnly = -2
pkg compress/gzip, const HuffmanOnly ideal-int
pkg compress/zlib, const HuffmanOnly = -2
pkg compress/zlib, const HuffmanOnly ideal-int
pkg crypto/tls, const ECDSAWithP256AndSHA256 = 1027
pkg crypto/tls, const ECDSAWithP256AndSHA256 SignatureScheme
pkg crypto/tls, const ECDSAWithP384AndSHA384 = 1283
pkg crypto/tls, const ECDSAWithP384AndSHA384 SignatureScheme
pkg crypto/tls, const ECDSAWithP521AndSHA512 = 1539
pkg crypto/tls, const ECDSAWithP521AndSHA512 SignatureScheme
pkg crypto/tls, const PKCS1WithSHA1 = 513
pkg crypto/tls, const PKCS1WithSHA1 SignatureScheme
pkg crypto/tls, const PKCS1WithSHA256 = 1025
pkg crypto/tls, const PKCS1WithSHA256 SignatureScheme
pkg crypto/tls, const PKCS1WithSHA384 = 1281
pkg crypto/tls, const PKCS1WithSHA384 SignatureScheme
pkg crypto/tls, const PKCS1WithSHA512 = 1537
pkg crypto/tls, const PKCS1WithSHA512 SignatureScheme
pkg crypto/tls, const PSSWithSHA256 = 2052
pkg crypto/tls, const PSSWithSHA256 SignatureScheme
pkg crypto/tls, const PSSWithSHA384 = 2053
pkg crypto/tls, const PSSWithSHA384 SignatureScheme
pkg crypto/tls, const PSSWithSHA512 = 2054
pkg crypto/tls, const PSSWithSHA512 SignatureScheme
pkg crypto/tls, const TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 = 49187
pkg crypto/tls, const TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 uint16
pkg crypto/tls, const TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305 = 52393
pkg crypto/tls, const TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305 uint16
pkg crypto/tls, const TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 = 49191
pkg crypto/tls, const TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 uint16
pkg crypto/tls, const TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305 = 52392
pkg crypto/tls, const TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305 uint16
pkg crypto/tls, const TLS_RSA_WITH_AES_128_CBC_SHA256 = 60
pkg crypto/tls, const TLS_RSA_WITH_AES_128_CBC_SHA256 uint16
pkg crypto/tls, const X25519 = 29
pkg crypto/tls, const X25519 CurveID
pkg crypto/tls, method (*Config) Clone() *Config
pkg crypto/tls, method (*Conn) CloseWrite() error
pkg crypto/tls, type CertificateRequestInfo struct
pkg crypto/tls, type CertificateRequestInfo struct, AcceptableCAs [][]uint8
pkg crypto/tls, type CertificateRequestInfo struct, SignatureSchemes []SignatureScheme
pkg crypto/tls, type ClientHelloInfo struct, Conn net.Conn
pkg crypto/tls, type ClientHelloInfo struct, SignatureSchemes []SignatureScheme
pkg crypto/tls, type ClientHelloInfo struct, SupportedProtos []string
pkg crypto/tls, type ClientHelloInfo struct, SupportedVersions []uint16
pkg crypto/tls, type Config struct, GetClientCertificate func(*CertificateRequestInfo) (*Certificate, error)
pkg crypto/tls, type Config struct, GetConfigForClient func(*ClientHelloInfo) (*Config, error)
pkg crypto/tls, type Config struct, KeyLogWriter io.Writer
pkg crypto/tls, type Config struct, VerifyPeerCertificate func([][]uint8, [][]*x509.Certificate) error
pkg crypto/tls, type SignatureScheme uint16
pkg crypto/x509, const NameMismatch = 5
pkg crypto/x509, const NameMismatch InvalidReason
pkg crypto/x509, const SHA256WithRSAPSS = 13
pkg crypto/x509, const SHA256WithRSAPSS SignatureAlgorithm
pkg crypto/x509, const SHA384WithRSAPSS = 14
pkg crypto/x509, const SHA384WithRSAPSS SignatureAlgorithm
pkg crypto/x509, const SHA512WithRSAPSS = 15
pkg crypto/x509, const SHA512WithRSAPSS SignatureAlgorithm
pkg crypto/x509, type UnknownAuthorityError struct, Cert *Certificate
pkg database/sql, const LevelDefault = 0
pkg database/sql, const LevelDefault IsolationLevel
pkg database/sql, const LevelLinearizable = 7
pkg database/sql, const LevelLinearizable IsolationLevel
pkg database/sql, const LevelReadCommitted = 2
pkg database/sql, const LevelReadCommitted IsolationLevel
pkg database/sql, const LevelReadUncommitted = 1
pkg database/sql, const LevelReadUncommitted IsolationLevel
pkg database/sql, const LevelRepeatableRead = 4
pkg database/sql, const LevelRepeatableRead IsolationLevel
pkg database/sql, const LevelSerializable = 6
pkg database/sql, const LevelSerializable IsolationLevel
pkg database/sql, const LevelSnapshot = 5
pkg database/sql, const LevelSnapshot IsolationLevel
pkg database/sql, const LevelWriteCommitted = 3
pkg database/sql, const LevelWriteCommitted IsolationLevel
pkg database/sql/driver, type ConnBeginTx interface { BeginTx }
pkg database/sql/driver, type ConnBeginTx interface, BeginTx(context.Context, TxOptions) (Tx, error)
pkg database/sql/driver, type ConnPrepareContext interface { PrepareContext }
pkg database/sql/driver, type ConnPrepareContext interface, PrepareContext(context.Context, string) (Stmt, error)
pkg database/sql/driver, type ExecerContext interface { ExecContext }
pkg database/sql/driver, type ExecerContext interface, ExecContext(context.Context, string, []NamedValue) (Result, error)
pkg database/sql/driver, type IsolationLevel int
pkg database/sql/driver, type NamedValue struct
pkg database/sql/driver, type NamedValue struct, Name string
pkg database/sql/driver, type NamedValue struct, Ordinal int
pkg database/sql/driver, type NamedValue struct, Value Value
pkg database/sql/driver, type Pinger interface { Ping }
pkg database/sql/driver, type Pinger interface, Ping(context.Context) error
pkg database/sql/driver, type QueryerContext interface { QueryContext }
pkg database/sql/driver, type QueryerContext interface, QueryContext(context.Context, string, []NamedValue) (Rows, error)
pkg database/sql/driver, type RowsColumnTypeDatabaseTypeName interface { Close, ColumnTypeDatabaseTypeName, Columns, Next }
pkg database/sql/driver, type RowsColumnTypeDatabaseTypeName interface, Close() error
pkg database/sql/driver, type RowsColumnTypeDatabaseTypeName interface, Columns() []string
pkg database/sql/driver, type RowsColumnTypeDatabaseTypeName interface, ColumnTypeDatabaseTypeName(int) string
pkg database/sql/driver, type RowsColumnTypeDatabaseTypeName interface, Next([]Value) error
pkg database/sql/driver, type RowsColumnTypeLength interface { Close, ColumnTypeLength, Columns, Next }
pkg database/sql/driver, type RowsColumnTypeLength interface, Close() error
pkg database/sql/driver, type RowsColumnTypeLength interface, Columns() []string
pkg database/sql/driver, type RowsColumnTypeLength interface, ColumnTypeLength(int) (int64, bool)
pkg database/sql/driver, type RowsColumnTypeLength interface, Next([]Value) error
pkg database/sql/driver, type RowsColumnTypeNullable interface { Close, ColumnTypeNullable, Columns, Next }
pkg database/sql/driver, type RowsColumnTypeNullable interface, Close() error
pkg database/sql/driver, type RowsColumnTypeNullable interface, Columns() []string
pkg database/sql/driver, type RowsColumnTypeNullable interface, ColumnTypeNullable(int) (bool, bool)
pkg database/sql/driver, type RowsColumnTypeNullable interface, Next([]Value) error
pkg database/sql/driver, type RowsColumnTypePrecisionScale interface { Close, ColumnTypePrecisionScale, Columns, Next }
pkg database/sql/driver, type RowsColumnTypePrecisionScale interface, Close() error
pkg database/sql/driver, type RowsColumnTypePrecisionScale interface, Columns() []string
pkg database/sql/driver, type RowsColumnTypePrecisionScale interface, ColumnTypePrecisionScale(int) (int64, int64, bool)
pkg database/sql/driver, type RowsColumnTypePrecisionScale interface, Next([]Value) error
pkg database/sql/driver, type RowsColumnTypeScanType interface { Close, ColumnTypeScanType, Columns, Next }
pkg database/sql/driver, type RowsColumnTypeScanType interface, Close() error
pkg database/sql/driver, type RowsColumnTypeScanType interface, Columns() []string
pkg database/sql/driver, type RowsColumnTypeScanType interface, ColumnTypeScanType(int) reflect.Type
pkg database/sql/driver, type RowsColumnTypeScanType interface, Next([]Value) error
pkg database/sql/driver, type RowsNextResultSet interface { Close, Columns, HasNextResultSet, Next, NextResultSet }
pkg database/sql/driver, type RowsNextResultSet interface, Close() error
pkg database/sql/driver, type RowsNextResultSet interface, Columns() []string
pkg database/sql/driver, type RowsNextResultSet interface, HasNextResultSet() bool
pkg database/sql/driver, type RowsNextResultSet interface, NextResultSet() error
pkg database/sql/driver, type RowsNextResultSet interface, Next([]Value) error
pkg database/sql/driver, type StmtExecContext interface { ExecContext }
pkg database/sql/driver, type StmtExecContext interface, ExecContext(context.Context, []NamedValue) (Result, error)
pkg database/sql/driver, type StmtQueryContext interface { QueryContext }
pkg database/sql/driver, type StmtQueryContext interface, QueryContext(context.Context, []NamedValue) (Rows, error)
pkg database/sql/driver, type TxOptions struct
pkg database/sql/driver, type TxOptions struct, Isolation IsolationLevel
pkg database/sql/driver, type TxOptions struct, ReadOnly bool
pkg database/sql, func Named(string, interface{}) NamedArg
pkg database/sql, method (*ColumnType) DatabaseTypeName() string
pkg database/sql, method (*ColumnType) DecimalSize() (int64, int64, bool)
pkg database/sql, method (*ColumnType) Length() (int64, bool)
pkg database/sql, method (*ColumnType) Name() string
pkg database/sql, method (*ColumnType) Nullable() (bool, bool)
pkg database/sql, method (*ColumnType) ScanType() reflect.Type
pkg database/sql, method (*DB) BeginTx(context.Context, *TxOptions) (*Tx, error)
pkg database/sql, method (*DB) ExecContext(context.Context, string, ...interface{}) (Result, error)
pkg database/sql, method (*DB) PingContext(context.Context) error
pkg database/sql, method (*DB) PrepareContext(context.Context, string) (*Stmt, error)
pkg database/sql, method (*DB) QueryContext(context.Context, string, ...interface{}) (*Rows, error)
pkg database/sql, method (*DB) QueryRowContext(context.Context, string, ...interface{}) *Row
pkg database/sql, method (*Rows) ColumnTypes() ([]*ColumnType, error)
pkg database/sql, method (*Rows) NextResultSet() bool
pkg database/sql, method (*Stmt) ExecContext(context.Context, ...interface{}) (Result, error)
pkg database/sql, method (*Stmt) QueryContext(context.Context, ...interface{}) (*Rows, error)
pkg database/sql, method (*Stmt) QueryRowContext(context.Context, ...interface{}) *Row
pkg database/sql, method (*Tx) ExecContext(context.Context, string, ...interface{}) (Result, error)
pkg database/sql, method (*Tx) PrepareContext(context.Context, string) (*Stmt, error)
pkg database/sql, method (*Tx) QueryContext(context.Context, string, ...interface{}) (*Rows, error)
pkg database/sql, method (*Tx) QueryRowContext(context.Context, string, ...interface{}) *Row
pkg database/sql, method (*Tx) StmtContext(context.Context, *Stmt) *Stmt
pkg database/sql, type ColumnType struct
pkg database/sql, type IsolationLevel int
pkg database/sql, type NamedArg struct
pkg database/sql, type NamedArg struct, Name string
pkg database/sql, type NamedArg struct, Value interface{}
pkg database/sql, type TxOptions struct
pkg database/sql, type TxOptions struct, Isolation IsolationLevel
pkg database/sql, type TxOptions struct, ReadOnly bool
pkg debug/pe, method (*COFFSymbol) FullName(StringTable) (string, error)
pkg debug/pe, method (StringTable) String(uint32) (string, error)
pkg debug/pe, type File struct, COFFSymbols []COFFSymbol
pkg debug/pe, type File struct, StringTable StringTable
pkg debug/pe, type Reloc struct
pkg debug/pe, type Reloc struct, SymbolTableIndex uint32
pkg debug/pe, type Reloc struct, Type uint16
pkg debug/pe, type Reloc struct, VirtualAddress uint32
pkg debug/pe, type Section struct, Relocs []Reloc
pkg debug/pe, type StringTable []uint8
pkg encoding/base64, method (Encoding) Strict() *Encoding
pkg encoding/json, method (RawMessage) MarshalJSON() ([]uint8, error)
pkg encoding/json, type UnmarshalTypeError struct, Field string
pkg encoding/json, type UnmarshalTypeError struct, Struct string
pkg expvar, func Handler() http.Handler
pkg expvar, method (*Float) Value() float64
pkg expvar, method (Func) Value() interface{}
pkg expvar, method (*Int) Value() int64
pkg expvar, method (*String) Value() string
pkg go/doc, func IsPredeclared(string) bool
pkg go/types, func Default(Type) Type
pkg go/types, func IdenticalIgnoreTags(Type, Type) bool
pkg math/big, method (*Float) Scan(fmt.ScanState, int32) error
pkg math/big, method (*Int) Sqrt(*Int) *Int
pkg math/rand, func Uint64() uint64
pkg math/rand, method (*Rand) Uint64() uint64
pkg math/rand, type Source64 interface, Int63() int64
pkg math/rand, type Source64 interface { Int63, Seed, Uint64 }
pkg math/rand, type Source64 interface, Seed(int64)
pkg math/rand, type Source64 interface, Uint64() uint64
pkg net/http, const TrailerPrefix ideal-string
pkg net/http, const TrailerPrefix = "Trailer:"
pkg net/http/httptrace, type ClientTrace struct, TLSHandshakeDone func(tls.ConnectionState, error)
pkg net/http/httptrace, type ClientTrace struct, TLSHandshakeStart func()
pkg net/http/httputil, type ReverseProxy struct, ModifyResponse func(*http.Response) error
pkg net/http, method (*Server) Close() error
pkg net/http, method (*Server) Shutdown(context.Context) error
pkg net/http, type Pusher interface { Push }
pkg net/http, type Pusher interface, Push(string, *PushOptions) error
pkg net/http, type PushOptions struct
pkg net/http, type PushOptions struct, Header Header
pkg net/http, type PushOptions struct, Method string
pkg net/http, type Request struct, GetBody func() (io.ReadCloser, error)
pkg net/http, type Server struct, IdleTimeout time.Duration
pkg net/http, type Server struct, ReadHeaderTimeout time.Duration
pkg net/http, type Transport struct, ProxyConnectHeader Header
pkg net/http, var ErrAbortHandler error
pkg net/http, var ErrServerClosed error
pkg net/http, var NoBody noBody
pkg net/mail, func ParseDate(string) (time.Time, error)
pkg net, method (*Buffers) Read([]uint8) (int, error)
pkg net, method (*Buffers) WriteTo(io.Writer) (int64, error)
pkg net, method (*Resolver) LookupAddr(context.Context, string) ([]string, error)
pkg net, method (*Resolver) LookupCNAME(context.Context, string) (string, error)
pkg net, method (*Resolver) LookupHost(context.Context, string) ([]string, error)
pkg net, method (*Resolver) LookupIPAddr(context.Context, string) ([]IPAddr, error)
pkg net, method (*Resolver) LookupMX(context.Context, string) ([]*MX, error)
pkg net, method (*Resolver) LookupNS(context.Context, string) ([]*NS, error)
pkg net, method (*Resolver) LookupPort(context.Context, string, string) (int, error)
pkg net, method (*Resolver) LookupSRV(context.Context, string, string, string) (string, []*SRV, error)
pkg net, method (*Resolver) LookupTXT(context.Context, string) ([]string, error)
pkg net, method (*UnixListener) SetUnlinkOnClose(bool)
pkg net, type Buffers [][]uint8
pkg net, type Dialer struct, Resolver *Resolver
pkg net, type Resolver struct
pkg net, type Resolver struct, PreferGo bool
pkg net/url, func PathEscape(string) string
pkg net/url, func PathUnescape(string) (string, error)
pkg net/url, method (*URL) Hostname() string
pkg net/url, method (*URL) MarshalBinary() ([]uint8, error)
pkg net/url, method (*URL) Port() string
pkg net/url, method (*URL) UnmarshalBinary([]uint8) error
pkg net, var DefaultResolver *Resolver
pkg os, func Executable() (string, error)
pkg os, var ErrClosed error
pkg plugin, func Open(string) (*Plugin, error)
pkg plugin, method (*Plugin) Lookup(string) (Symbol, error)
pkg plugin, type Plugin struct
pkg plugin, type Symbol interface {}
pkg reflect, func Swapper(interface{}) func(int, int)
pkg runtime, func MutexProfile([]BlockProfileRecord) (int, bool)
pkg runtime, func SetMutexProfileFraction(int) int
pkg runtime, type MemStats struct, NumForcedGC uint32
pkg sort, func Slice(interface{}, func(int, int) bool)
pkg sort, func SliceIsSorted(interface{}, func(int, int) bool) bool
pkg sort, func SliceStable(interface{}, func(int, int) bool)
pkg syscall (linux-arm-cgo), func TimevalToNsec(Timeval) int64
pkg syscall (linux-arm), func TimevalToNsec(Timeval) int64
pkg syscall (openbsd-386), const SYS_KILL = 122
pkg syscall (openbsd-386-cgo), const SYS_KILL = 122
pkg syscall (openbsd-amd64), const SYS_KILL = 122
pkg syscall (openbsd-amd64-cgo), const SYS_KILL = 122
pkg syscall (windows-386), const ERROR_DIR_NOT_EMPTY = 145
pkg syscall (windows-386), const ERROR_DIR_NOT_EMPTY Errno
pkg syscall (windows-amd64), const ERROR_DIR_NOT_EMPTY = 145
pkg syscall (windows-amd64), const ERROR_DIR_NOT_EMPTY Errno
pkg testing, func CoverMode() string
pkg testing, func MainStart(testDeps, []InternalTest, []InternalBenchmark, []InternalExample) *M
pkg testing, method (*B) Name() string
pkg testing, method (*T) Name() string
pkg testing, type TB interface, Name() string
pkg time, func Until(Time) Duration

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# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
include ../src/Make.inc
TARG=tmpltohtml
GOFILES=\
tmpltohtml.go\
include ../src/Make.cmd

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/* General Styles */
body {
font-family: "Bitstream Vera Sans", Verdana, sans-serif;
font-size: 81.25%;
line-height: 1.23em;
padding: 0;
margin: 1.23em;
background: white;
color: black;
}
a {
color: #04a;
text-decoration: none;
}
a:visited {
color: #04a;
}
a:hover {
color: #a40;
text-decoration: underline;
}
a:active {
color: #c00;
}
code, pre {
font-size: 1.2em;
}
pre {
background: #F0F0F0;
padding: 0.5em 1em;
}
/* Top bar */
#container {
width: 100%;
margin: auto;
}
#topnav {
height: 55px;
background: url(/doc/logo.png) no-repeat top left;
}
a#logo-box {
display: block;
height: 55px;
}
h1#title {
display: none;
}
#nav-main {
float: right;
width: 500px;
margin-top: -5px;
text-align: center;
}
#nav-main ul {
padding-left: 0;
margin-left: 0;
margin-bottom: 0.5em;
}
#nav-main li a {
display: inline;
display: inline-block;
padding: .46em .62em .38em .62em;
}
#nav-main li a:link,
#nav-main li a:visited {
color: #000;
}
#nav-main li {
display: inline;
display: inline-block;
background: #e6e6e6 url(/doc/button_background.png) repeat-x;
border: solid 1px #999;
margin-left: -1px;
text-shadow: #fff 0 1px 0;
box-shadow: 0 1px 1px #ccc;
-moz-box-shadow: 0 1px 1px #ccc;
-webkit-box-shadow: 0 1px 1px #ccc;
}
#nav-main li:first-child {
-moz-border-top-left-radius: 4px;
border-top-left-radius: 4px;
-moz-border-bottom-left-radius: 4px;
border-bottom-left-radius: 4px;
}
#nav-main li:last-child {
-moz-border-top-right-radius: 4px;
border-top-right-radius: 4px;
-moz-border-bottom-right-radius: 4px;
border-bottom-right-radius: 4px;
}
#nav-main .quickref {
color: #444;
}
#nav-main .quickref .sep {
color: #999;
}
#search {
width: 120px;
margin-left: 0.5em;
}
#search.inactive {
text-align: center;
color: #444;
}
/* Footer */
#site-info {
position: relative;
text-align: center;
}
#site-info, #site-info a:link, #site-info a:visited {
color: #aaa;
}
/* Content */
#content {
clear: both;
padding: 0;
position: relative;
margin-top: 1.5em;
margin-bottom: 1.5em;
border-top: solid 1px #aaa;
border-bottom: solid 1px #aaa;
}
.left-column {
width: 49%;
float: left;
}
.right-column {
width: 49%;
float: right;
}
.end-columns {
clear: both;
}
#content h1 {
padding: 0;
}
#content h2 {
border-top: 2px solid #ddd;
padding: 8px 0;
margin: 1.5em 0 0;
}
#content .subtitle {
margin-top: 1em;
display: block;
}
.navtop a {
font-weight: normal; font-size: 7pt;
float: right; color: #999;
}
/* Content and Code Highlighting */
pre.ebnf, pre.grammar {
background: #FFFFE0;
}
span.ln {
font-size: 80%;
color: #777777;
}
span.comment {
color: #002090;
}
span.highlight {
background: #FF9900;
font-weight: bold;
}
span.highlight-comment {
background: #FF9900;
font-weight: bold;
color: #002090;
}
span.selection {
background: #FFFF00
}
span.selection-comment {
color: #002090;
background: #FFFF00
}
span.selection-highlight {
background: #FF9900;
font-weight: bold;
}
span.selection-highlight-comment {
background: #FF9900;
font-weight: bold;
color: #002090;
}
span.alert {
color: #D00000;
}
#nav table {
width: 100%;
}
.detail {
padding: 0.25em 1em;
background: #F4F4F4;
}
sup.new {
color: red;
font-size: 8px;
line-height: 0;
}

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<!--{
"title": "About the go command"
}-->
<p>The Go distribution includes a command, named
"<code><a href="/cmd/go/">go</a></code>", that
automates the downloading, building, installation, and testing of Go packages
and commands. This document talks about why we wrote a new command, what it
is, what it's not, and how to use it.</p>
<h2>Motivation</h2>
<p>You might have seen early Go talks in which Rob Pike jokes that the idea
for Go arose while waiting for a large Google server to compile. That
really was the motivation for Go: to build a language that worked well
for building the large software that Google writes and runs. It was
clear from the start that such a language must provide a way to
express dependencies between code libraries clearly, hence the package
grouping and the explicit import blocks. It was also clear from the
start that you might want arbitrary syntax for describing the code
being imported; this is why import paths are string literals.</p>
<p>An explicit goal for Go from the beginning was to be able to build Go
code using only the information found in the source itself, not
needing to write a makefile or one of the many modern replacements for
makefiles. If Go needed a configuration file to explain how to build
your program, then Go would have failed.</p>
<p>At first, there was no Go compiler, and the initial development
focused on building one and then building libraries for it. For
expedience, we postponed the automation of building Go code by using
make and writing makefiles. When compiling a single package involved
multiple invocations of the Go compiler, we even used a program to
write the makefiles for us. You can find it if you dig through the
repository history.</p>
<p>The purpose of the new go command is our return to this ideal, that Go
programs should compile without configuration or additional effort on
the part of the developer beyond writing the necessary import
statements.</p>
<h2>Configuration versus convention</h2>
<p>The way to achieve the simplicity of a configuration-free system is to
establish conventions. The system works only to the extent that those conventions
are followed. When we first launched Go, many people published packages that
had to be installed in certain places, under certain names, using certain build
tools, in order to be used. That's understandable: that's the way it works in
most other languages. Over the last few years we consistently reminded people
about the <code>goinstall</code> command
(now replaced by <a href="/cmd/go/#hdr-Download_and_install_packages_and_dependencies"><code>go get</code></a>)
and its conventions: first, that the import path is derived in a known way from
the URL of the source code; second, that the place to store the sources in
the local file system is derived in a known way from the import path; third,
that each directory in a source tree corresponds to a single package; and
fourth, that the package is built using only information in the source code.
Today, the vast majority of packages follow these conventions.
The Go ecosystem is simpler and more powerful as a result.</p>
<p>We received many requests to allow a makefile in a package directory to
provide just a little extra configuration beyond what's in the source code.
But that would have introduced new rules. Because we did not accede to such
requests, we were able to write the go command and eliminate our use of make
or any other build system.</p>
<p>It is important to understand that the go command is not a general
build tool. It cannot be configured and it does not attempt to build
anything but Go packages. These are important simplifying
assumptions: they simplify not only the implementation but also, more
important, the use of the tool itself.</p>
<h2>Go's conventions</h2>
<p>The <code>go</code> command requires that code adheres to a few key,
well-established conventions.</p>
<p>First, the import path is derived in an known way from the URL of the
source code. For Bitbucket, GitHub, Google Code, and Launchpad, the
root directory of the repository is identified by the repository's
main URL, without the <code>http://</code> prefix. Subdirectories are named by
adding to that path.
For example, the Go example programs are obtained by running</p>
<pre>
git clone https://github.com/golang/example
</pre>
<p>and thus the import path for the root directory of that repository is
"<code>github.com/golang/example</code>".
The <a href="https://godoc.org/github.com/golang/example/stringutil">stringutil</a>
package is stored in a subdirectory, so its import path is
"<code>github.com/golang/example/stringutil</code>".</p>
<p>These paths are on the long side, but in exchange we get an
automatically managed name space for import paths and the ability for
a tool like the go command to look at an unfamiliar import path and
deduce where to obtain the source code.</p>
<p>Second, the place to store sources in the local file system is derived
in a known way from the import path, specifically
<code>$GOPATH/src/&lt;import-path&gt;</code>.
If unset, <code>$GOPATH</code> defaults to a subdirectory
named <code>go</code> in the user's home directory.
If <code>$GOPATH</code> is set to a list of paths, the go command tries
<code>&lt;dir&gt;/src/&lt;import-path&gt;</code> for each of the directories in
that list.
</p>
<p>Each of those trees contains, by convention, a top-level directory named
"<code>bin</code>", for holding compiled executables, and a top-level directory
named "<code>pkg</code>", for holding compiled packages that can be imported,
and the "<code>src</code>" directory, for holding package source files.
Imposing this structure lets us keep each of these directory trees
self-contained: the compiled form and the sources are always near each
other.</p>
<p>These naming conventions also let us work in the reverse direction,
from a directory name to its import path. This mapping is important
for many of the go command's subcommands, as we'll see below.</p>
<p>Third, each directory in a source tree corresponds to a single
package. By restricting a directory to a single package, we don't have
to create hybrid import paths that specify first the directory and
then the package within that directory. Also, most file management
tools and UIs work on directories as fundamental units. Tying the
fundamental Go unit&mdash;the package&mdash;to file system structure means
that file system tools become Go package tools. Copying, moving, or
deleting a package corresponds to copying, moving, or deleting a
directory.</p>
<p>Fourth, each package is built using only the information present in
the source files. This makes it much more likely that the tool will
be able to adapt to changing build environments and conditions. For
example, if we allowed extra configuration such as compiler flags or
command line recipes, then that configuration would need to be updated
each time the build tools changed; it would also be inherently tied
to the use of a specific tool chain.</p>
<h2>Getting started with the go command</h2>
<p>Finally, a quick tour of how to use the go command.
As mentioned above, the default <code>$GOPATH</code> on Unix is <code>$HOME/go</code>.
We'll store our programs there.
To use a different location, you can set <code>$GOPATH</code>;
see <a href="/doc/code.html">How to Write Go Code</a> for details.
<p>We first add some source code. Suppose we want to use
the indexing library from the codesearch project along with a left-leaning
red-black tree. We can install both with the "<code>go get</code>"
subcommand:</p>
<pre>
$ go get github.com/google/codesearch/index
$ go get github.com/petar/GoLLRB/llrb
$
</pre>
<p>Both of these projects are now downloaded and installed into <code>$HOME/go</code>,
which contains the two directories
<code>src/github.com/google/codesearch/index/</code> and
<code>src/github.com/petar/GoLLRB/llrb/</code>, along with the compiled
packages (in <code>pkg/</code>) for those libraries and their dependencies.</p>
<p>Because we used version control systems (Mercurial and Git) to check
out the sources, the source tree also contains the other files in the
corresponding repositories, such as related packages. The "<code>go list</code>"
subcommand lists the import paths corresponding to its arguments, and
the pattern "<code>./...</code>" means start in the current directory
("<code>./</code>") and find all packages below that directory
("<code>...</code>"):</p>
<pre>
$ cd $HOME/go/src
$ go list ./...
github.com/google/codesearch/cmd/cgrep
github.com/google/codesearch/cmd/cindex
github.com/google/codesearch/cmd/csearch
github.com/google/codesearch/index
github.com/google/codesearch/regexp
github.com/google/codesearch/sparse
github.com/petar/GoLLRB/example
github.com/petar/GoLLRB/llrb
$
</pre>
<p>We can also test those packages:</p>
<pre>
$ go test ./...
? github.com/google/codesearch/cmd/cgrep [no test files]
? github.com/google/codesearch/cmd/cindex [no test files]
? github.com/google/codesearch/cmd/csearch [no test files]
ok github.com/google/codesearch/index 0.203s
ok github.com/google/codesearch/regexp 0.017s
? github.com/google/codesearch/sparse [no test files]
? github.com/petar/GoLLRB/example [no test files]
ok github.com/petar/GoLLRB/llrb 0.231s
$
</pre>
<p>If a go subcommand is invoked with no paths listed, it operates on the
current directory:</p>
<pre>
$ cd github.com/google/codesearch/regexp
$ go list
github.com/google/codesearch/regexp
$ go test -v
=== RUN TestNstateEnc
--- PASS: TestNstateEnc (0.00s)
=== RUN TestMatch
--- PASS: TestMatch (0.00s)
=== RUN TestGrep
--- PASS: TestGrep (0.00s)
PASS
ok github.com/google/codesearch/regexp 0.018s
$ go install
$
</pre>
<p>That "<code>go install</code>" subcommand installs the latest copy of the
package into the pkg directory. Because the go command can analyze the
dependency graph, "<code>go install</code>" also installs any packages that
this package imports but that are out of date, recursively.</p>
<p>Notice that "<code>go install</code>" was able to determine the name of the
import path for the package in the current directory, because of the convention
for directory naming. It would be a little more convenient if we could pick
the name of the directory where we kept source code, and we probably wouldn't
pick such a long name, but that ability would require additional configuration
and complexity in the tool. Typing an extra directory name or two is a small
price to pay for the increased simplicity and power.</p>
<h2>Limitations</h2>
<p>As mentioned above, the go command is not a general-purpose build
tool.
In particular, it does not have any facility for generating Go
source files <em>during</em> a build, although it does provide
<a href="/cmd/go/#hdr-Generate_Go_files_by_processing_source"><code>go</code>
<code>generate</code></a>,
which can automate the creation of Go files <em>before</em> the build.
For more advanced build setups, you may need to write a
makefile (or a configuration file for the build tool of your choice)
to run whatever tool creates the Go files and then check those generated source files
into your repository. This is more work for you, the package author,
but it is significantly less work for your users, who can use
"<code>go get</code>" without needing to obtain and build
any additional tools.</p>
<h2>More information</h2>
<p>For more information, read <a href="/doc/code.html">How to Write Go Code</a>
and see the <a href="/cmd/go/">go command documentation</a>.</p>

View File

@@ -1,8 +0,0 @@
<!--{
"Title": "/doc/articles/"
}-->
<p>
See the <a href="/doc/#articles">Documents page</a> and the
<a href="/blog/index">Blog index</a> for a complete list of Go articles.
</p>

View File

@@ -1,389 +0,0 @@
<!--{
"Title": "Data Race Detector",
"Template": true
}-->
<h2 id="Introduction">Introduction</h2>
<p>
Data races are among the most common and hardest to debug types of bugs in concurrent systems.
A data race occurs when two goroutines access the same variable concurrently and at least one of the accesses is a write.
See the <a href="/ref/mem/">The Go Memory Model</a> for details.
</p>
<p>
Here is an example of a data race that can lead to crashes and memory corruption:
</p>
<pre>
func main() {
c := make(chan bool)
m := make(map[string]string)
go func() {
m["1"] = "a" // First conflicting access.
c &lt;- true
}()
m["2"] = "b" // Second conflicting access.
&lt;-c
for k, v := range m {
fmt.Println(k, v)
}
}
</pre>
<h2 id="Usage">Usage</h2>
<p>
To help diagnose such bugs, Go includes a built-in data race detector.
To use it, add the <code>-race</code> flag to the go command:
</p>
<pre>
$ go test -race mypkg // to test the package
$ go run -race mysrc.go // to run the source file
$ go build -race mycmd // to build the command
$ go install -race mypkg // to install the package
</pre>
<h2 id="Report_Format">Report Format</h2>
<p>
When the race detector finds a data race in the program, it prints a report.
The report contains stack traces for conflicting accesses, as well as stacks where the involved goroutines were created.
Here is an example:
</p>
<pre>
WARNING: DATA RACE
Read by goroutine 185:
net.(*pollServer).AddFD()
src/net/fd_unix.go:89 +0x398
net.(*pollServer).WaitWrite()
src/net/fd_unix.go:247 +0x45
net.(*netFD).Write()
src/net/fd_unix.go:540 +0x4d4
net.(*conn).Write()
src/net/net.go:129 +0x101
net.func·060()
src/net/timeout_test.go:603 +0xaf
Previous write by goroutine 184:
net.setWriteDeadline()
src/net/sockopt_posix.go:135 +0xdf
net.setDeadline()
src/net/sockopt_posix.go:144 +0x9c
net.(*conn).SetDeadline()
src/net/net.go:161 +0xe3
net.func·061()
src/net/timeout_test.go:616 +0x3ed
Goroutine 185 (running) created at:
net.func·061()
src/net/timeout_test.go:609 +0x288
Goroutine 184 (running) created at:
net.TestProlongTimeout()
src/net/timeout_test.go:618 +0x298
testing.tRunner()
src/testing/testing.go:301 +0xe8
</pre>
<h2 id="Options">Options</h2>
<p>
The <code>GORACE</code> environment variable sets race detector options.
The format is:
</p>
<pre>
GORACE="option1=val1 option2=val2"
</pre>
<p>
The options are:
</p>
<ul>
<li>
<code>log_path</code> (default <code>stderr</code>): The race detector writes
its report to a file named <code>log_path.<em>pid</em></code>.
The special names <code>stdout</code>
and <code>stderr</code> cause reports to be written to standard output and
standard error, respectively.
</li>
<li>
<code>exitcode</code> (default <code>66</code>): The exit status to use when
exiting after a detected race.
</li>
<li>
<code>strip_path_prefix</code> (default <code>""</code>): Strip this prefix
from all reported file paths, to make reports more concise.
</li>
<li>
<code>history_size</code> (default <code>1</code>): The per-goroutine memory
access history is <code>32K * 2**history_size elements</code>.
Increasing this value can avoid a "failed to restore the stack" error in reports, at the
cost of increased memory usage.
</li>
<li>
<code>halt_on_error</code> (default <code>0</code>): Controls whether the program
exits after reporting first data race.
</li>
</ul>
<p>
Example:
</p>
<pre>
$ GORACE="log_path=/tmp/race/report strip_path_prefix=/my/go/sources/" go test -race
</pre>
<h2 id="Excluding_Tests">Excluding Tests</h2>
<p>
When you build with <code>-race</code> flag, the <code>go</code> command defines additional
<a href="/pkg/go/build/#hdr-Build_Constraints">build tag</a> <code>race</code>.
You can use the tag to exclude some code and tests when running the race detector.
Some examples:
</p>
<pre>
// +build !race
package foo
// The test contains a data race. See issue 123.
func TestFoo(t *testing.T) {
// ...
}
// The test fails under the race detector due to timeouts.
func TestBar(t *testing.T) {
// ...
}
// The test takes too long under the race detector.
func TestBaz(t *testing.T) {
// ...
}
</pre>
<h2 id="How_To_Use">How To Use</h2>
<p>
To start, run your tests using the race detector (<code>go test -race</code>).
The race detector only finds races that happen at runtime, so it can't find
races in code paths that are not executed.
If your tests have incomplete coverage,
you may find more races by running a binary built with <code>-race</code> under a realistic
workload.
</p>
<h2 id="Typical_Data_Races">Typical Data Races</h2>
<p>
Here are some typical data races. All of them can be detected with the race detector.
</p>
<h3 id="Race_on_loop_counter">Race on loop counter</h3>
<pre>
func main() {
var wg sync.WaitGroup
wg.Add(5)
for i := 0; i < 5; i++ {
go func() {
fmt.Println(i) // Not the 'i' you are looking for.
wg.Done()
}()
}
wg.Wait()
}
</pre>
<p>
The variable <code>i</code> in the function literal is the same variable used by the loop, so
the read in the goroutine races with the loop increment.
(This program typically prints 55555, not 01234.)
The program can be fixed by making a copy of the variable:
</p>
<pre>
func main() {
var wg sync.WaitGroup
wg.Add(5)
for i := 0; i < 5; i++ {
go func(j int) {
fmt.Println(j) // Good. Read local copy of the loop counter.
wg.Done()
}(i)
}
wg.Wait()
}
</pre>
<h3 id="Accidentally_shared_variable">Accidentally shared variable</h3>
<pre>
// ParallelWrite writes data to file1 and file2, returns the errors.
func ParallelWrite(data []byte) chan error {
res := make(chan error, 2)
f1, err := os.Create("file1")
if err != nil {
res &lt;- err
} else {
go func() {
// This err is shared with the main goroutine,
// so the write races with the write below.
_, err = f1.Write(data)
res &lt;- err
f1.Close()
}()
}
f2, err := os.Create("file2") // The second conflicting write to err.
if err != nil {
res &lt;- err
} else {
go func() {
_, err = f2.Write(data)
res &lt;- err
f2.Close()
}()
}
return res
}
</pre>
<p>
The fix is to introduce new variables in the goroutines (note the use of <code>:=</code>):
</p>
<pre>
...
_, err := f1.Write(data)
...
_, err := f2.Write(data)
...
</pre>
<h3 id="Unprotected_global_variable">Unprotected global variable</h3>
<p>
If the following code is called from several goroutines, it leads to races on the <code>service</code> map.
Concurrent reads and writes of the same map are not safe:
</p>
<pre>
var service map[string]net.Addr
func RegisterService(name string, addr net.Addr) {
service[name] = addr
}
func LookupService(name string) net.Addr {
return service[name]
}
</pre>
<p>
To make the code safe, protect the accesses with a mutex:
</p>
<pre>
var (
service map[string]net.Addr
serviceMu sync.Mutex
)
func RegisterService(name string, addr net.Addr) {
serviceMu.Lock()
defer serviceMu.Unlock()
service[name] = addr
}
func LookupService(name string) net.Addr {
serviceMu.Lock()
defer serviceMu.Unlock()
return service[name]
}
</pre>
<h3 id="Primitive_unprotected_variable">Primitive unprotected variable</h3>
<p>
Data races can happen on variables of primitive types as well (<code>bool</code>, <code>int</code>, <code>int64</code>, etc.),
as in this example:
</p>
<pre>
type Watchdog struct{ last int64 }
func (w *Watchdog) KeepAlive() {
w.last = time.Now().UnixNano() // First conflicting access.
}
func (w *Watchdog) Start() {
go func() {
for {
time.Sleep(time.Second)
// Second conflicting access.
if w.last < time.Now().Add(-10*time.Second).UnixNano() {
fmt.Println("No keepalives for 10 seconds. Dying.")
os.Exit(1)
}
}
}()
}
</pre>
<p>
Even such "innocent" data races can lead to hard-to-debug problems caused by
non-atomicity of the memory accesses,
interference with compiler optimizations,
or reordering issues accessing processor memory .
</p>
<p>
A typical fix for this race is to use a channel or a mutex.
To preserve the lock-free behavior, one can also use the
<a href="/pkg/sync/atomic/"><code>sync/atomic</code></a> package.
</p>
<pre>
type Watchdog struct{ last int64 }
func (w *Watchdog) KeepAlive() {
atomic.StoreInt64(&amp;w.last, time.Now().UnixNano())
}
func (w *Watchdog) Start() {
go func() {
for {
time.Sleep(time.Second)
if atomic.LoadInt64(&amp;w.last) < time.Now().Add(-10*time.Second).UnixNano() {
fmt.Println("No keepalives for 10 seconds. Dying.")
os.Exit(1)
}
}
}()
}
</pre>
<h2 id="Supported_Systems">Supported Systems</h2>
<p>
The race detector runs on <code>darwin/amd64</code>, <code>freebsd/amd64</code>,
<code>linux/amd64</code>, and <code>windows/amd64</code>.
</p>
<h2 id="Runtime_Overheads">Runtime Overhead</h2>
<p>
The cost of race detection varies by program, but for a typical program, memory
usage may increase by 5-10x and execution time by 2-20x.
</p>

View File

@@ -1,6 +0,0 @@
<h1>Editing {{.Title}}</h1>
<form action="/save/{{.Title}}" method="POST">
<div><textarea name="body" rows="20" cols="80">{{printf "%s" .Body}}</textarea></div>
<div><input type="submit" value="Save"></div>
</form>

View File

@@ -1,102 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"errors"
"html/template"
"io/ioutil"
"net/http"
"regexp"
)
type Page struct {
Title string
Body []byte
}
func (p *Page) save() error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) (*Page, error) {
filename := title + ".txt"
body, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
return &Page{Title: title, Body: body}, nil
}
func viewHandler(w http.ResponseWriter, r *http.Request) {
title, err := getTitle(w, r)
if err != nil {
return
}
p, err := loadPage(title)
if err != nil {
http.Redirect(w, r, "/edit/"+title, http.StatusFound)
return
}
renderTemplate(w, "view", p)
}
func editHandler(w http.ResponseWriter, r *http.Request) {
title, err := getTitle(w, r)
if err != nil {
return
}
p, err := loadPage(title)
if err != nil {
p = &Page{Title: title}
}
renderTemplate(w, "edit", p)
}
func saveHandler(w http.ResponseWriter, r *http.Request) {
title, err := getTitle(w, r)
if err != nil {
return
}
body := r.FormValue("body")
p := &Page{Title: title, Body: []byte(body)}
err = p.save()
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
http.Redirect(w, r, "/view/"+title, http.StatusFound)
}
func renderTemplate(w http.ResponseWriter, tmpl string, p *Page) {
t, err := template.ParseFiles(tmpl + ".html")
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
err = t.Execute(w, p)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
var validPath = regexp.MustCompile("^/(edit|save|view)/([a-zA-Z0-9]+)$")
func getTitle(w http.ResponseWriter, r *http.Request) (string, error) {
m := validPath.FindStringSubmatch(r.URL.Path)
if m == nil {
http.NotFound(w, r)
return "", errors.New("Invalid Page Title")
}
return m[2], nil // The title is the second subexpression.
}
func main() {
http.HandleFunc("/view/", viewHandler)
http.HandleFunc("/edit/", editHandler)
http.HandleFunc("/save/", saveHandler)
http.ListenAndServe(":8080", nil)
}

View File

@@ -1,53 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"html/template"
"io/ioutil"
"net/http"
)
type Page struct {
Title string
Body []byte
}
func (p *Page) save() error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) (*Page, error) {
filename := title + ".txt"
body, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
return &Page{Title: title, Body: body}, nil
}
func editHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[len("/edit/"):]
p, err := loadPage(title)
if err != nil {
p = &Page{Title: title}
}
t, _ := template.ParseFiles("edit.html")
t.Execute(w, p)
}
func viewHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[len("/view/"):]
p, _ := loadPage(title)
t, _ := template.ParseFiles("view.html")
t.Execute(w, p)
}
func main() {
http.HandleFunc("/view/", viewHandler)
http.HandleFunc("/edit/", editHandler)
http.ListenAndServe(":8080", nil)
}

View File

@@ -1,91 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"html/template"
"io/ioutil"
"net/http"
"regexp"
)
type Page struct {
Title string
Body []byte
}
func (p *Page) save() error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) (*Page, error) {
filename := title + ".txt"
body, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
return &Page{Title: title, Body: body}, nil
}
func viewHandler(w http.ResponseWriter, r *http.Request, title string) {
p, err := loadPage(title)
if err != nil {
http.Redirect(w, r, "/edit/"+title, http.StatusFound)
return
}
renderTemplate(w, "view", p)
}
func editHandler(w http.ResponseWriter, r *http.Request, title string) {
p, err := loadPage(title)
if err != nil {
p = &Page{Title: title}
}
renderTemplate(w, "edit", p)
}
func saveHandler(w http.ResponseWriter, r *http.Request, title string) {
body := r.FormValue("body")
p := &Page{Title: title, Body: []byte(body)}
err := p.save()
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
http.Redirect(w, r, "/view/"+title, http.StatusFound)
}
func renderTemplate(w http.ResponseWriter, tmpl string, p *Page) {
t, err := template.ParseFiles(tmpl + ".html")
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
err = t.Execute(w, p)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
var validPath = regexp.MustCompile("^/(edit|save|view)/([a-zA-Z0-9]+)$")
func makeHandler(fn func(http.ResponseWriter, *http.Request, string)) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
m := validPath.FindStringSubmatch(r.URL.Path)
if m == nil {
http.NotFound(w, r)
return
}
fn(w, r, m[2])
}
}
func main() {
http.HandleFunc("/view/", makeHandler(viewHandler))
http.HandleFunc("/edit/", makeHandler(editHandler))
http.HandleFunc("/save/", makeHandler(saveHandler))
http.ListenAndServe(":8080", nil)
}

View File

@@ -1,65 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"html/template"
"io/ioutil"
"net/http"
)
type Page struct {
Title string
Body []byte
}
func (p *Page) save() error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) (*Page, error) {
filename := title + ".txt"
body, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
return &Page{Title: title, Body: body}, nil
}
func editHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[len("/edit/"):]
p, err := loadPage(title)
if err != nil {
p = &Page{Title: title}
}
renderTemplate(w, "edit", p)
}
func viewHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[len("/view/"):]
p, _ := loadPage(title)
renderTemplate(w, "view", p)
}
func saveHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[len("/save/"):]
body := r.FormValue("body")
p := &Page{Title: title, Body: []byte(body)}
p.save()
http.Redirect(w, r, "/view/"+title, http.StatusFound)
}
func renderTemplate(w http.ResponseWriter, tmpl string, p *Page) {
t, _ := template.ParseFiles(tmpl + ".html")
t.Execute(w, p)
}
func main() {
http.HandleFunc("/view/", viewHandler)
http.HandleFunc("/edit/", editHandler)
http.HandleFunc("/save/", saveHandler)
http.ListenAndServe(":8080", nil)
}

View File

@@ -1,36 +0,0 @@
*** final.go 2015-06-14 23:59:22.000000000 +0200
--- final-test.go 2015-06-15 00:15:41.000000000 +0200
***************
*** 7,12 ****
--- 7,14 ----
import (
"html/template"
"io/ioutil"
+ "log"
+ "net"
"net/http"
"regexp"
)
***************
*** 85,89 ****
http.HandleFunc("/edit/", makeHandler(editHandler))
http.HandleFunc("/save/", makeHandler(saveHandler))
! http.ListenAndServe(":8080", nil)
}
--- 87,101 ----
http.HandleFunc("/edit/", makeHandler(editHandler))
http.HandleFunc("/save/", makeHandler(saveHandler))
! l, err := net.Listen("tcp", "127.0.0.1:0")
! if err != nil {
! log.Fatal(err)
! }
! err = ioutil.WriteFile("final-test-port.txt", []byte(l.Addr().String()), 0644)
! if err != nil {
! log.Fatal(err)
! }
! s := &http.Server{}
! s.Serve(l)
! return
}

View File

@@ -1,89 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"html/template"
"io/ioutil"
"net/http"
"regexp"
)
type Page struct {
Title string
Body []byte
}
func (p *Page) save() error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) (*Page, error) {
filename := title + ".txt"
body, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
return &Page{Title: title, Body: body}, nil
}
func viewHandler(w http.ResponseWriter, r *http.Request, title string) {
p, err := loadPage(title)
if err != nil {
http.Redirect(w, r, "/edit/"+title, http.StatusFound)
return
}
renderTemplate(w, "view", p)
}
func editHandler(w http.ResponseWriter, r *http.Request, title string) {
p, err := loadPage(title)
if err != nil {
p = &Page{Title: title}
}
renderTemplate(w, "edit", p)
}
func saveHandler(w http.ResponseWriter, r *http.Request, title string) {
body := r.FormValue("body")
p := &Page{Title: title, Body: []byte(body)}
err := p.save()
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
http.Redirect(w, r, "/view/"+title, http.StatusFound)
}
var templates = template.Must(template.ParseFiles("edit.html", "view.html"))
func renderTemplate(w http.ResponseWriter, tmpl string, p *Page) {
err := templates.ExecuteTemplate(w, tmpl+".html", p)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
var validPath = regexp.MustCompile("^/(edit|save|view)/([a-zA-Z0-9]+)$")
func makeHandler(fn func(http.ResponseWriter, *http.Request, string)) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
m := validPath.FindStringSubmatch(r.URL.Path)
if m == nil {
http.NotFound(w, r)
return
}
fn(w, r, m[2])
}
}
func main() {
http.HandleFunc("/view/", makeHandler(viewHandler))
http.HandleFunc("/edit/", makeHandler(editHandler))
http.HandleFunc("/save/", makeHandler(saveHandler))
http.ListenAndServe(":8080", nil)
}

View File

@@ -1,63 +0,0 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"flag"
"fmt"
"io"
"log"
"net"
"net/http"
"os"
"strings"
"time"
)
var (
post = flag.String("post", "", "urlencoded form data to POST")
addr = flag.Bool("addr", false, "find open address and print to stdout")
wait = flag.Duration("wait_for_port", 0, "if non-zero, the amount of time to wait for the address to become available")
)
func main() {
flag.Parse()
if *addr {
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
log.Fatal(err)
}
defer l.Close()
fmt.Print(l.Addr())
return
}
url := flag.Arg(0)
if url == "" {
log.Fatal("no url supplied")
}
var r *http.Response
var err error
loopUntil := time.Now().Add(*wait)
for {
if *post != "" {
b := strings.NewReader(*post)
r, err = http.Post(url, "application/x-www-form-urlencoded", b)
} else {
r, err = http.Get(url)
}
if err == nil || *wait == 0 || time.Now().After(loopUntil) {
break
}
time.Sleep(100 * time.Millisecond)
}
if err != nil {
log.Fatal(err)
}
defer r.Body.Close()
_, err = io.Copy(os.Stdout, r.Body)
if err != nil {
log.Fatal(err)
}
}

View File

@@ -1,734 +0,0 @@
<!--{
"Title": "Writing Web Applications",
"Template": true
}-->
<h2>Introduction</h2>
<p>
Covered in this tutorial:
</p>
<ul>
<li>Creating a data structure with load and save methods</li>
<li>Using the <code>net/http</code> package to build web applications
<li>Using the <code>html/template</code> package to process HTML templates</li>
<li>Using the <code>regexp</code> package to validate user input</li>
<li>Using closures</li>
</ul>
<p>
Assumed knowledge:
</p>
<ul>
<li>Programming experience</li>
<li>Understanding of basic web technologies (HTTP, HTML)</li>
<li>Some UNIX/DOS command-line knowledge</li>
</ul>
<h2>Getting Started</h2>
<p>
At present, you need to have a FreeBSD, Linux, OS X, or Windows machine to run Go.
We will use <code>$</code> to represent the command prompt.
</p>
<p>
Install Go (see the <a href="/doc/install">Installation Instructions</a>).
</p>
<p>
Make a new directory for this tutorial inside your <code>GOPATH</code> and cd to it:
</p>
<pre>
$ mkdir gowiki
$ cd gowiki
</pre>
<p>
Create a file named <code>wiki.go</code>, open it in your favorite editor, and
add the following lines:
</p>
<pre>
package main
import (
"fmt"
"io/ioutil"
)
</pre>
<p>
We import the <code>fmt</code> and <code>ioutil</code> packages from the Go
standard library. Later, as we implement additional functionality, we will
add more packages to this <code>import</code> declaration.
</p>
<h2>Data Structures</h2>
<p>
Let's start by defining the data structures. A wiki consists of a series of
interconnected pages, each of which has a title and a body (the page content).
Here, we define <code>Page</code> as a struct with two fields representing
the title and body.
</p>
{{code "doc/articles/wiki/part1.go" `/^type Page/` `/}/`}}
<p>
The type <code>[]byte</code> means "a <code>byte</code> slice".
(See <a href="/doc/articles/slices_usage_and_internals.html">Slices: usage and
internals</a> for more on slices.)
The <code>Body</code> element is a <code>[]byte</code> rather than
<code>string</code> because that is the type expected by the <code>io</code>
libraries we will use, as you'll see below.
</p>
<p>
The <code>Page</code> struct describes how page data will be stored in memory.
But what about persistent storage? We can address that by creating a
<code>save</code> method on <code>Page</code>:
</p>
{{code "doc/articles/wiki/part1.go" `/^func.*Page.*save/` `/}/`}}
<p>
This method's signature reads: "This is a method named <code>save</code> that
takes as its receiver <code>p</code>, a pointer to <code>Page</code> . It takes
no parameters, and returns a value of type <code>error</code>."
</p>
<p>
This method will save the <code>Page</code>'s <code>Body</code> to a text
file. For simplicity, we will use the <code>Title</code> as the file name.
</p>
<p>
The <code>save</code> method returns an <code>error</code> value because
that is the return type of <code>WriteFile</code> (a standard library function
that writes a byte slice to a file). The <code>save</code> method returns the
error value, to let the application handle it should anything go wrong while
writing the file. If all goes well, <code>Page.save()</code> will return
<code>nil</code> (the zero-value for pointers, interfaces, and some other
types).
</p>
<p>
The octal integer literal <code>0600</code>, passed as the third parameter to
<code>WriteFile</code>, indicates that the file should be created with
read-write permissions for the current user only. (See the Unix man page
<code>open(2)</code> for details.)
</p>
<p>
In addition to saving pages, we will want to load pages, too:
</p>
{{code "doc/articles/wiki/part1-noerror.go" `/^func loadPage/` `/^}/`}}
<p>
The function <code>loadPage</code> constructs the file name from the title
parameter, reads the file's contents into a new variable <code>body</code>, and
returns a pointer to a <code>Page</code> literal constructed with the proper
title and body values.
</p>
<p>
Functions can return multiple values. The standard library function
<code>io.ReadFile</code> returns <code>[]byte</code> and <code>error</code>.
In <code>loadPage</code>, error isn't being handled yet; the "blank identifier"
represented by the underscore (<code>_</code>) symbol is used to throw away the
error return value (in essence, assigning the value to nothing).
</p>
<p>
But what happens if <code>ReadFile</code> encounters an error? For example,
the file might not exist. We should not ignore such errors. Let's modify the
function to return <code>*Page</code> and <code>error</code>.
</p>
{{code "doc/articles/wiki/part1.go" `/^func loadPage/` `/^}/`}}
<p>
Callers of this function can now check the second parameter; if it is
<code>nil</code> then it has successfully loaded a Page. If not, it will be an
<code>error</code> that can be handled by the caller (see the
<a href="/ref/spec#Errors">language specification</a> for details).
</p>
<p>
At this point we have a simple data structure and the ability to save to and
load from a file. Let's write a <code>main</code> function to test what we've
written:
</p>
{{code "doc/articles/wiki/part1.go" `/^func main/` `/^}/`}}
<p>
After compiling and executing this code, a file named <code>TestPage.txt</code>
would be created, containing the contents of <code>p1</code>. The file would
then be read into the struct <code>p2</code>, and its <code>Body</code> element
printed to the screen.
</p>
<p>
You can compile and run the program like this:
</p>
<pre>
$ go build wiki.go
$ ./wiki
This is a sample page.
</pre>
<p>
(If you're using Windows you must type "<code>wiki</code>" without the
"<code>./</code>" to run the program.)
</p>
<p>
<a href="part1.go">Click here to view the code we've written so far.</a>
</p>
<h2>Introducing the <code>net/http</code> package (an interlude)</h2>
<p>
Here's a full working example of a simple web server:
</p>
{{code "doc/articles/wiki/http-sample.go"}}
<p>
The <code>main</code> function begins with a call to
<code>http.HandleFunc</code>, which tells the <code>http</code> package to
handle all requests to the web root (<code>"/"</code>) with
<code>handler</code>.
</p>
<p>
It then calls <code>http.ListenAndServe</code>, specifying that it should
listen on port 8080 on any interface (<code>":8080"</code>). (Don't
worry about its second parameter, <code>nil</code>, for now.)
This function will block until the program is terminated.
</p>
<p>
The function <code>handler</code> is of the type <code>http.HandlerFunc</code>.
It takes an <code>http.ResponseWriter</code> and an <code>http.Request</code> as
its arguments.
</p>
<p>
An <code>http.ResponseWriter</code> value assembles the HTTP server's response; by writing
to it, we send data to the HTTP client.
</p>
<p>
An <code>http.Request</code> is a data structure that represents the client
HTTP request. <code>r.URL.Path</code> is the path component
of the request URL. The trailing <code>[1:]</code> means
"create a sub-slice of <code>Path</code> from the 1st character to the end."
This drops the leading "/" from the path name.
</p>
<p>
If you run this program and access the URL:
</p>
<pre>http://localhost:8080/monkeys</pre>
<p>
the program would present a page containing:
</p>
<pre>Hi there, I love monkeys!</pre>
<h2>Using <code>net/http</code> to serve wiki pages</h2>
<p>
To use the <code>net/http</code> package, it must be imported:
</p>
<pre>
import (
"fmt"
"io/ioutil"
<b>"net/http"</b>
)
</pre>
<p>
Let's create a handler, <code>viewHandler</code> that will allow users to
view a wiki page. It will handle URLs prefixed with "/view/".
</p>
{{code "doc/articles/wiki/part2.go" `/^func viewHandler/` `/^}/`}}
<p>
First, this function extracts the page title from <code>r.URL.Path</code>,
the path component of the request URL.
The <code>Path</code> is re-sliced with <code>[len("/view/"):]</code> to drop
the leading <code>"/view/"</code> component of the request path.
This is because the path will invariably begin with <code>"/view/"</code>,
which is not part of the page's title.
</p>
<p>
The function then loads the page data, formats the page with a string of simple
HTML, and writes it to <code>w</code>, the <code>http.ResponseWriter</code>.
</p>
<p>
Again, note the use of <code>_</code> to ignore the <code>error</code>
return value from <code>loadPage</code>. This is done here for simplicity
and generally considered bad practice. We will attend to this later.
</p>
<p>
To use this handler, we rewrite our <code>main</code> function to
initialize <code>http</code> using the <code>viewHandler</code> to handle
any requests under the path <code>/view/</code>.
</p>
{{code "doc/articles/wiki/part2.go" `/^func main/` `/^}/`}}
<p>
<a href="part2.go">Click here to view the code we've written so far.</a>
</p>
<p>
Let's create some page data (as <code>test.txt</code>), compile our code, and
try serving a wiki page.
</p>
<p>
Open <code>test.txt</code> file in your editor, and save the string "Hello world" (without quotes)
in it.
</p>
<pre>
$ go build wiki.go
$ ./wiki
</pre>
<p>
(If you're using Windows you must type "<code>wiki</code>" without the
"<code>./</code>" to run the program.)
</p>
<p>
With this web server running, a visit to <code><a
href="http://localhost:8080/view/test">http://localhost:8080/view/test</a></code>
should show a page titled "test" containing the words "Hello world".
</p>
<h2>Editing Pages</h2>
<p>
A wiki is not a wiki without the ability to edit pages. Let's create two new
handlers: one named <code>editHandler</code> to display an 'edit page' form,
and the other named <code>saveHandler</code> to save the data entered via the
form.
</p>
<p>
First, we add them to <code>main()</code>:
</p>
{{code "doc/articles/wiki/final-noclosure.go" `/^func main/` `/^}/`}}
<p>
The function <code>editHandler</code> loads the page
(or, if it doesn't exist, create an empty <code>Page</code> struct),
and displays an HTML form.
</p>
{{code "doc/articles/wiki/notemplate.go" `/^func editHandler/` `/^}/`}}
<p>
This function will work fine, but all that hard-coded HTML is ugly.
Of course, there is a better way.
</p>
<h2>The <code>html/template</code> package</h2>
<p>
The <code>html/template</code> package is part of the Go standard library.
We can use <code>html/template</code> to keep the HTML in a separate file,
allowing us to change the layout of our edit page without modifying the
underlying Go code.
</p>
<p>
First, we must add <code>html/template</code> to the list of imports. We
also won't be using <code>fmt</code> anymore, so we have to remove that.
</p>
<pre>
import (
<b>"html/template"</b>
"io/ioutil"
"net/http"
)
</pre>
<p>
Let's create a template file containing the HTML form.
Open a new file named <code>edit.html</code>, and add the following lines:
</p>
{{code "doc/articles/wiki/edit.html"}}
<p>
Modify <code>editHandler</code> to use the template, instead of the hard-coded
HTML:
</p>
{{code "doc/articles/wiki/final-noerror.go" `/^func editHandler/` `/^}/`}}
<p>
The function <code>template.ParseFiles</code> will read the contents of
<code>edit.html</code> and return a <code>*template.Template</code>.
</p>
<p>
The method <code>t.Execute</code> executes the template, writing the
generated HTML to the <code>http.ResponseWriter</code>.
The <code>.Title</code> and <code>.Body</code> dotted identifiers refer to
<code>p.Title</code> and <code>p.Body</code>.
</p>
<p>
Template directives are enclosed in double curly braces.
The <code>printf "%s" .Body</code> instruction is a function call
that outputs <code>.Body</code> as a string instead of a stream of bytes,
the same as a call to <code>fmt.Printf</code>.
The <code>html/template</code> package helps guarantee that only safe and
correct-looking HTML is generated by template actions. For instance, it
automatically escapes any greater than sign (<code>&gt;</code>), replacing it
with <code>&amp;gt;</code>, to make sure user data does not corrupt the form
HTML.
</p>
<p>
Since we're working with templates now, let's create a template for our
<code>viewHandler</code> called <code>view.html</code>:
</p>
{{code "doc/articles/wiki/view.html"}}
<p>
Modify <code>viewHandler</code> accordingly:
</p>
{{code "doc/articles/wiki/final-noerror.go" `/^func viewHandler/` `/^}/`}}
<p>
Notice that we've used almost exactly the same templating code in both
handlers. Let's remove this duplication by moving the templating code
to its own function:
</p>
{{code "doc/articles/wiki/final-template.go" `/^func renderTemplate/` `/^}/`}}
<p>
And modify the handlers to use that function:
</p>
{{code "doc/articles/wiki/final-template.go" `/^func viewHandler/` `/^}/`}}
{{code "doc/articles/wiki/final-template.go" `/^func editHandler/` `/^}/`}}
<p>
If we comment out the registration of our unimplemented save handler in
<code>main</code>, we can once again build and test our program.
<a href="part3.go">Click here to view the code we've written so far.</a>
</p>
<h2>Handling non-existent pages</h2>
<p>
What if you visit <a href="http://localhost:8080/view/APageThatDoesntExist">
<code>/view/APageThatDoesntExist</code></a>? You'll see a page containing
HTML. This is because it ignores the error return value from
<code>loadPage</code> and continues to try and fill out the template
with no data. Instead, if the requested Page doesn't exist, it should
redirect the client to the edit Page so the content may be created:
</p>
{{code "doc/articles/wiki/part3-errorhandling.go" `/^func viewHandler/` `/^}/`}}
<p>
The <code>http.Redirect</code> function adds an HTTP status code of
<code>http.StatusFound</code> (302) and a <code>Location</code>
header to the HTTP response.
</p>
<h2>Saving Pages</h2>
<p>
The function <code>saveHandler</code> will handle the submission of forms
located on the edit pages. After uncommenting the related line in
<code>main</code>, let's implement the handler:
</p>
{{code "doc/articles/wiki/final-template.go" `/^func saveHandler/` `/^}/`}}
<p>
The page title (provided in the URL) and the form's only field,
<code>Body</code>, are stored in a new <code>Page</code>.
The <code>save()</code> method is then called to write the data to a file,
and the client is redirected to the <code>/view/</code> page.
</p>
<p>
The value returned by <code>FormValue</code> is of type <code>string</code>.
We must convert that value to <code>[]byte</code> before it will fit into
the <code>Page</code> struct. We use <code>[]byte(body)</code> to perform
the conversion.
</p>
<h2>Error handling</h2>
<p>
There are several places in our program where errors are being ignored. This
is bad practice, not least because when an error does occur the program will
have unintended behavior. A better solution is to handle the errors and return
an error message to the user. That way if something does go wrong, the server
will function exactly how we want and the user can be notified.
</p>
<p>
First, let's handle the errors in <code>renderTemplate</code>:
</p>
{{code "doc/articles/wiki/final-parsetemplate.go" `/^func renderTemplate/` `/^}/`}}
<p>
The <code>http.Error</code> function sends a specified HTTP response code
(in this case "Internal Server Error") and error message.
Already the decision to put this in a separate function is paying off.
</p>
<p>
Now let's fix up <code>saveHandler</code>:
</p>
{{code "doc/articles/wiki/part3-errorhandling.go" `/^func saveHandler/` `/^}/`}}
<p>
Any errors that occur during <code>p.save()</code> will be reported
to the user.
</p>
<h2>Template caching</h2>
<p>
There is an inefficiency in this code: <code>renderTemplate</code> calls
<code>ParseFiles</code> every time a page is rendered.
A better approach would be to call <code>ParseFiles</code> once at program
initialization, parsing all templates into a single <code>*Template</code>.
Then we can use the
<a href="/pkg/html/template/#Template.ExecuteTemplate"><code>ExecuteTemplate</code></a>
method to render a specific template.
</p>
<p>
First we create a global variable named <code>templates</code>, and initialize
it with <code>ParseFiles</code>.
</p>
{{code "doc/articles/wiki/final.go" `/var templates/`}}
<p>
The function <code>template.Must</code> is a convenience wrapper that panics
when passed a non-nil <code>error</code> value, and otherwise returns the
<code>*Template</code> unaltered. A panic is appropriate here; if the templates
can't be loaded the only sensible thing to do is exit the program.
</p>
<p>
The <code>ParseFiles</code> function takes any number of string arguments that
identify our template files, and parses those files into templates that are
named after the base file name. If we were to add more templates to our
program, we would add their names to the <code>ParseFiles</code> call's
arguments.
</p>
<p>
We then modify the <code>renderTemplate</code> function to call the
<code>templates.ExecuteTemplate</code> method with the name of the appropriate
template:
</p>
{{code "doc/articles/wiki/final.go" `/func renderTemplate/` `/^}/`}}
<p>
Note that the template name is the template file name, so we must
append <code>".html"</code> to the <code>tmpl</code> argument.
</p>
<h2>Validation</h2>
<p>
As you may have observed, this program has a serious security flaw: a user
can supply an arbitrary path to be read/written on the server. To mitigate
this, we can write a function to validate the title with a regular expression.
</p>
<p>
First, add <code>"regexp"</code> to the <code>import</code> list.
Then we can create a global variable to store our validation
expression:
</p>
{{code "doc/articles/wiki/final-noclosure.go" `/^var validPath/`}}
<p>
The function <code>regexp.MustCompile</code> will parse and compile the
regular expression, and return a <code>regexp.Regexp</code>.
<code>MustCompile</code> is distinct from <code>Compile</code> in that it will
panic if the expression compilation fails, while <code>Compile</code> returns
an <code>error</code> as a second parameter.
</p>
<p>
Now, let's write a function that uses the <code>validPath</code>
expression to validate path and extract the page title:
</p>
{{code "doc/articles/wiki/final-noclosure.go" `/func getTitle/` `/^}/`}}
<p>
If the title is valid, it will be returned along with a <code>nil</code>
error value. If the title is invalid, the function will write a
"404 Not Found" error to the HTTP connection, and return an error to the
handler. To create a new error, we have to import the <code>errors</code>
package.
</p>
<p>
Let's put a call to <code>getTitle</code> in each of the handlers:
</p>
{{code "doc/articles/wiki/final-noclosure.go" `/^func viewHandler/` `/^}/`}}
{{code "doc/articles/wiki/final-noclosure.go" `/^func editHandler/` `/^}/`}}
{{code "doc/articles/wiki/final-noclosure.go" `/^func saveHandler/` `/^}/`}}
<h2>Introducing Function Literals and Closures</h2>
<p>
Catching the error condition in each handler introduces a lot of repeated code.
What if we could wrap each of the handlers in a function that does this
validation and error checking? Go's
<a href="/ref/spec#Function_literals">function
literals</a> provide a powerful means of abstracting functionality
that can help us here.
</p>
<p>
First, we re-write the function definition of each of the handlers to accept
a title string:
</p>
<pre>
func viewHandler(w http.ResponseWriter, r *http.Request, title string)
func editHandler(w http.ResponseWriter, r *http.Request, title string)
func saveHandler(w http.ResponseWriter, r *http.Request, title string)
</pre>
<p>
Now let's define a wrapper function that <i>takes a function of the above
type</i>, and returns a function of type <code>http.HandlerFunc</code>
(suitable to be passed to the function <code>http.HandleFunc</code>):
</p>
<pre>
func makeHandler(fn func (http.ResponseWriter, *http.Request, string)) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
// Here we will extract the page title from the Request,
// and call the provided handler 'fn'
}
}
</pre>
<p>
The returned function is called a closure because it encloses values defined
outside of it. In this case, the variable <code>fn</code> (the single argument
to <code>makeHandler</code>) is enclosed by the closure. The variable
<code>fn</code> will be one of our save, edit, or view handlers.
</p>
<p>
Now we can take the code from <code>getTitle</code> and use it here
(with some minor modifications):
</p>
{{code "doc/articles/wiki/final.go" `/func makeHandler/` `/^}/`}}
<p>
The closure returned by <code>makeHandler</code> is a function that takes
an <code>http.ResponseWriter</code> and <code>http.Request</code> (in other
words, an <code>http.HandlerFunc</code>).
The closure extracts the <code>title</code> from the request path, and
validates it with the <code>TitleValidator</code> regexp. If the
<code>title</code> is invalid, an error will be written to the
<code>ResponseWriter</code> using the <code>http.NotFound</code> function.
If the <code>title</code> is valid, the enclosed handler function
<code>fn</code> will be called with the <code>ResponseWriter</code>,
<code>Request</code>, and <code>title</code> as arguments.
</p>
<p>
Now we can wrap the handler functions with <code>makeHandler</code> in
<code>main</code>, before they are registered with the <code>http</code>
package:
</p>
{{code "doc/articles/wiki/final.go" `/func main/` `/^}/`}}
<p>
Finally we remove the calls to <code>getTitle</code> from the handler functions,
making them much simpler:
</p>
{{code "doc/articles/wiki/final.go" `/^func viewHandler/` `/^}/`}}
{{code "doc/articles/wiki/final.go" `/^func editHandler/` `/^}/`}}
{{code "doc/articles/wiki/final.go" `/^func saveHandler/` `/^}/`}}
<h2>Try it out!</h2>
<p>
<a href="final.go">Click here to view the final code listing.</a>
</p>
<p>
Recompile the code, and run the app:
</p>
<pre>
$ go build wiki.go
$ ./wiki
</pre>
<p>
Visiting <a href="http://localhost:8080/view/ANewPage">http://localhost:8080/view/ANewPage</a>
should present you with the page edit form. You should then be able to
enter some text, click 'Save', and be redirected to the newly created page.
</p>
<h2>Other tasks</h2>
<p>
Here are some simple tasks you might want to tackle on your own:
</p>
<ul>
<li>Store templates in <code>tmpl/</code> and page data in <code>data/</code>.
<li>Add a handler to make the web root redirect to
<code>/view/FrontPage</code>.</li>
<li>Spruce up the page templates by making them valid HTML and adding some
CSS rules.</li>
<li>Implement inter-page linking by converting instances of
<code>[PageName]</code> to <br>
<code>&lt;a href="/view/PageName"&gt;PageName&lt;/a&gt;</code>.
(hint: you could use <code>regexp.ReplaceAllFunc</code> to do this)
</li>
</ul>

View File

@@ -1,33 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"fmt"
"io/ioutil"
)
type Page struct {
Title string
Body []byte
}
func (p *Page) save() error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) *Page {
filename := title + ".txt"
body, _ := ioutil.ReadFile(filename)
return &Page{Title: title, Body: body}
}
func main() {
p1 := &Page{Title: "TestPage", Body: []byte("This is a sample page.")}
p1.save()
p2 := loadPage("TestPage")
fmt.Println(string(p2.Body))
}

View File

@@ -1,36 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"fmt"
"io/ioutil"
)
type Page struct {
Title string
Body []byte
}
func (p *Page) save() error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) (*Page, error) {
filename := title + ".txt"
body, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
return &Page{Title: title, Body: body}, nil
}
func main() {
p1 := &Page{Title: "TestPage", Body: []byte("This is a sample Page.")}
p1.save()
p2, _ := loadPage("TestPage")
fmt.Println(string(p2.Body))
}

View File

@@ -1,41 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"fmt"
"io/ioutil"
"net/http"
)
type Page struct {
Title string
Body []byte
}
func (p *Page) save() error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) (*Page, error) {
filename := title + ".txt"
body, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
return &Page{Title: title, Body: body}, nil
}
func viewHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[len("/view/"):]
p, _ := loadPage(title)
fmt.Fprintf(w, "<h1>%s</h1><div>%s</div>", p.Title, p.Body)
}
func main() {
http.HandleFunc("/view/", viewHandler)
http.ListenAndServe(":8080", nil)
}

View File

@@ -1,73 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"html/template"
"io/ioutil"
"net/http"
)
type Page struct {
Title string
Body []byte
}
func (p *Page) save() error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) (*Page, error) {
filename := title + ".txt"
body, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
return &Page{Title: title, Body: body}, nil
}
func renderTemplate(w http.ResponseWriter, tmpl string, p *Page) {
t, _ := template.ParseFiles(tmpl + ".html")
t.Execute(w, p)
}
func viewHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[len("/view/"):]
p, err := loadPage(title)
if err != nil {
http.Redirect(w, r, "/edit/"+title, http.StatusFound)
return
}
renderTemplate(w, "view", p)
}
func editHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[len("/edit/"):]
p, err := loadPage(title)
if err != nil {
p = &Page{Title: title}
}
renderTemplate(w, "edit", p)
}
func saveHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[len("/save/"):]
body := r.FormValue("body")
p := &Page{Title: title, Body: []byte(body)}
err := p.save()
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
http.Redirect(w, r, "/view/"+title, http.StatusFound)
}
func main() {
http.HandleFunc("/view/", viewHandler)
http.HandleFunc("/edit/", editHandler)
http.HandleFunc("/save/", saveHandler)
http.ListenAndServe(":8080", nil)
}

View File

@@ -1,57 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"html/template"
"io/ioutil"
"net/http"
)
type Page struct {
Title string
Body []byte
}
func (p *Page) save() error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) (*Page, error) {
filename := title + ".txt"
body, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
return &Page{Title: title, Body: body}, nil
}
func renderTemplate(w http.ResponseWriter, tmpl string, p *Page) {
t, _ := template.ParseFiles(tmpl + ".html")
t.Execute(w, p)
}
func viewHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[len("/view/"):]
p, _ := loadPage(title)
renderTemplate(w, "view", p)
}
func editHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[len("/edit/"):]
p, err := loadPage(title)
if err != nil {
p = &Page{Title: title}
}
renderTemplate(w, "edit", p)
}
func main() {
http.HandleFunc("/view/", viewHandler)
http.HandleFunc("/edit/", editHandler)
//http.HandleFunc("/save/", saveHandler)
http.ListenAndServe(":8080", nil)
}

View File

@@ -1,58 +0,0 @@
#!/usr/bin/env bash
# Copyright 2010 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
set -e
if ! which patch > /dev/null; then
echo "Skipping test; patch command not found."
exit 0
fi
wiki_pid=
cleanup() {
kill $wiki_pid
rm -f test_*.out Test.txt final-test.go final-test.bin final-test-port.txt a.out get.bin
}
trap cleanup 0 INT
rm -f get.bin final-test.bin a.out
# If called with -all, check that all code snippets compile.
if [ "$1" == "-all" ]; then
for fn in *.go; do
go build -o a.out $fn
done
fi
go build -o get.bin get.go
cp final.go final-test.go
patch final-test.go final-test.patch > /dev/null
go build -o final-test.bin final-test.go
./final-test.bin &
wiki_pid=$!
l=0
while [ ! -f ./final-test-port.txt ]
do
l=$(($l+1))
if [ "$l" -gt 5 ]
then
echo "port not available within 5 seconds"
exit 1
break
fi
sleep 1
done
addr=$(cat final-test-port.txt)
./get.bin http://$addr/edit/Test > test_edit.out
diff -u test_edit.out test_edit.good
./get.bin -post=body=some%20content http://$addr/save/Test > test_save.out
diff -u test_save.out test_view.good # should be the same as viewing
diff -u Test.txt test_Test.txt.good
./get.bin http://$addr/view/Test > test_view.out
diff -u test_view.out test_view.good
echo PASS

View File

@@ -1,5 +0,0 @@
<h1>{{.Title}}</h1>
<p>[<a href="/edit/{{.Title}}">edit</a>]</p>
<div>{{printf "%s" .Body}}</div>

View File

@@ -1,910 +0,0 @@
<!--{
"Title": "A Quick Guide to Go's Assembler",
"Path": "/doc/asm"
}-->
<h2 id="introduction">A Quick Guide to Go's Assembler</h2>
<p>
This document is a quick outline of the unusual form of assembly language used by the <code>gc</code> Go compiler.
The document is not comprehensive.
</p>
<p>
The assembler is based on the input style of the Plan 9 assemblers, which is documented in detail
<a href="https://9p.io/sys/doc/asm.html">elsewhere</a>.
If you plan to write assembly language, you should read that document although much of it is Plan 9-specific.
The current document provides a summary of the syntax and the differences with
what is explained in that document, and
describes the peculiarities that apply when writing assembly code to interact with Go.
</p>
<p>
The most important thing to know about Go's assembler is that it is not a direct representation of the underlying machine.
Some of the details map precisely to the machine, but some do not.
This is because the compiler suite (see
<a href="https://9p.io/sys/doc/compiler.html">this description</a>)
needs no assembler pass in the usual pipeline.
Instead, the compiler operates on a kind of semi-abstract instruction set,
and instruction selection occurs partly after code generation.
The assembler works on the semi-abstract form, so
when you see an instruction like <code>MOV</code>
what the tool chain actually generates for that operation might
not be a move instruction at all, perhaps a clear or load.
Or it might correspond exactly to the machine instruction with that name.
In general, machine-specific operations tend to appear as themselves, while more general concepts like
memory move and subroutine call and return are more abstract.
The details vary with architecture, and we apologize for the imprecision; the situation is not well-defined.
</p>
<p>
The assembler program is a way to parse a description of that
semi-abstract instruction set and turn it into instructions to be
input to the linker.
If you want to see what the instructions look like in assembly for a given architecture, say amd64, there
are many examples in the sources of the standard library, in packages such as
<a href="/pkg/runtime/"><code>runtime</code></a> and
<a href="/pkg/math/big/"><code>math/big</code></a>.
You can also examine what the compiler emits as assembly code
(the actual output may differ from what you see here):
</p>
<pre>
$ cat x.go
package main
func main() {
println(3)
}
$ GOOS=linux GOARCH=amd64 go tool compile -S x.go # or: go build -gcflags -S x.go
--- prog list "main" ---
0000 (x.go:3) TEXT main+0(SB),$8-0
0001 (x.go:3) FUNCDATA $0,gcargs·0+0(SB)
0002 (x.go:3) FUNCDATA $1,gclocals·0+0(SB)
0003 (x.go:4) MOVQ $3,(SP)
0004 (x.go:4) PCDATA $0,$8
0005 (x.go:4) CALL ,runtime.printint+0(SB)
0006 (x.go:4) PCDATA $0,$-1
0007 (x.go:4) PCDATA $0,$0
0008 (x.go:4) CALL ,runtime.printnl+0(SB)
0009 (x.go:4) PCDATA $0,$-1
0010 (x.go:5) RET ,
...
</pre>
<p>
The <code>FUNCDATA</code> and <code>PCDATA</code> directives contain information
for use by the garbage collector; they are introduced by the compiler.
</p>
<!-- Commenting out because the feature is gone but it's popular and may come back.
<p>
To see what gets put in the binary after linking, add the <code>-a</code> flag to the linker:
</p>
<pre>
$ go tool 6l -a x.6 # or: go build -ldflags -a x.go
codeblk [0x2000,0x1d059) at offset 0x1000
002000 main.main | (3) TEXT main.main+0(SB),$8
002000 65488b0c25a0080000 | (3) MOVQ 2208(GS),CX
002009 483b21 | (3) CMPQ SP,(CX)
00200c 7707 | (3) JHI ,2015
00200e e83da20100 | (3) CALL ,1c250+runtime.morestack00
002013 ebeb | (3) JMP ,2000
002015 4883ec08 | (3) SUBQ $8,SP
002019 | (3) FUNCDATA $0,main.gcargs·0+0(SB)
002019 | (3) FUNCDATA $1,main.gclocals·0+0(SB)
002019 48c7042403000000 | (4) MOVQ $3,(SP)
002021 | (4) PCDATA $0,$8
002021 e8aad20000 | (4) CALL ,f2d0+runtime.printint
002026 | (4) PCDATA $0,$-1
002026 | (4) PCDATA $0,$0
002026 e865d40000 | (4) CALL ,f490+runtime.printnl
00202b | (4) PCDATA $0,$-1
00202b 4883c408 | (5) ADDQ $8,SP
00202f c3 | (5) RET ,
...
</pre>
-->
<h3 id="constants">Constants</h3>
<p>
Although the assembler takes its guidance from the Plan 9 assemblers,
it is a distinct program, so there are some differences.
One is in constant evaluation.
Constant expressions in the assembler are parsed using Go's operator
precedence, not the C-like precedence of the original.
Thus <code>3&amp;1<<2</code> is 4, not 0—it parses as <code>(3&amp;1)<<2</code>
not <code>3&amp;(1<<2)</code>.
Also, constants are always evaluated as 64-bit unsigned integers.
Thus <code>-2</code> is not the integer value minus two,
but the unsigned 64-bit integer with the same bit pattern.
The distinction rarely matters but
to avoid ambiguity, division or right shift where the right operand's
high bit is set is rejected.
</p>
<h3 id="symbols">Symbols</h3>
<p>
Some symbols, such as <code>R1</code> or <code>LR</code>,
are predefined and refer to registers.
The exact set depends on the architecture.
</p>
<p>
There are four predeclared symbols that refer to pseudo-registers.
These are not real registers, but rather virtual registers maintained by
the tool chain, such as a frame pointer.
The set of pseudo-registers is the same for all architectures:
</p>
<ul>
<li>
<code>FP</code>: Frame pointer: arguments and locals.
</li>
<li>
<code>PC</code>: Program counter:
jumps and branches.
</li>
<li>
<code>SB</code>: Static base pointer: global symbols.
</li>
<li>
<code>SP</code>: Stack pointer: top of stack.
</li>
</ul>
<p>
All user-defined symbols are written as offsets to the pseudo-registers
<code>FP</code> (arguments and locals) and <code>SB</code> (globals).
</p>
<p>
The <code>SB</code> pseudo-register can be thought of as the origin of memory, so the symbol <code>foo(SB)</code>
is the name <code>foo</code> as an address in memory.
This form is used to name global functions and data.
Adding <code>&lt;&gt;</code> to the name, as in <span style="white-space: nowrap"><code>foo&lt;&gt;(SB)</code></span>, makes the name
visible only in the current source file, like a top-level <code>static</code> declaration in a C file.
Adding an offset to the name refers to that offset from the symbol's address, so
<code>foo+4(SB)</code> is four bytes past the start of <code>foo</code>.
</p>
<p>
The <code>FP</code> pseudo-register is a virtual frame pointer
used to refer to function arguments.
The compilers maintain a virtual frame pointer and refer to the arguments on the stack as offsets from that pseudo-register.
Thus <code>0(FP)</code> is the first argument to the function,
<code>8(FP)</code> is the second (on a 64-bit machine), and so on.
However, when referring to a function argument this way, it is necessary to place a name
at the beginning, as in <code>first_arg+0(FP)</code> and <code>second_arg+8(FP)</code>.
(The meaning of the offset—offset from the frame pointer—distinct
from its use with <code>SB</code>, where it is an offset from the symbol.)
The assembler enforces this convention, rejecting plain <code>0(FP)</code> and <code>8(FP)</code>.
The actual name is semantically irrelevant but should be used to document
the argument's name.
It is worth stressing that <code>FP</code> is always a
pseudo-register, not a hardware
register, even on architectures with a hardware frame pointer.
</p>
<p>
For assembly functions with Go prototypes, <code>go</code> <code>vet</code> will check that the argument names
and offsets match.
On 32-bit systems, the low and high 32 bits of a 64-bit value are distinguished by adding
a <code>_lo</code> or <code>_hi</code> suffix to the name, as in <code>arg_lo+0(FP)</code> or <code>arg_hi+4(FP)</code>.
If a Go prototype does not name its result, the expected assembly name is <code>ret</code>.
</p>
<p>
The <code>SP</code> pseudo-register is a virtual stack pointer
used to refer to frame-local variables and the arguments being
prepared for function calls.
It points to the top of the local stack frame, so references should use negative offsets
in the range [framesize, 0):
<code>x-8(SP)</code>, <code>y-4(SP)</code>, and so on.
</p>
<p>
On architectures with a hardware register named <code>SP</code>,
the name prefix distinguishes
references to the virtual stack pointer from references to the architectural
<code>SP</code> register.
That is, <code>x-8(SP)</code> and <code>-8(SP)</code>
are different memory locations:
the first refers to the virtual stack pointer pseudo-register,
while the second refers to the
hardware's <code>SP</code> register.
</p>
<p>
On machines where <code>SP</code> and <code>PC</code> are
traditionally aliases for a physical, numbered register,
in the Go assembler the names <code>SP</code> and <code>PC</code>
are still treated specially;
for instance, references to <code>SP</code> require a symbol,
much like <code>FP</code>.
To access the actual hardware register use the true <code>R</code> name.
For example, on the ARM architecture the hardware
<code>SP</code> and <code>PC</code> are accessible as
<code>R13</code> and <code>R15</code>.
</p>
<p>
Branches and direct jumps are always written as offsets to the PC, or as
jumps to labels:
</p>
<pre>
label:
MOVW $0, R1
JMP label
</pre>
<p>
Each label is visible only within the function in which it is defined.
It is therefore permitted for multiple functions in a file to define
and use the same label names.
Direct jumps and call instructions can target text symbols,
such as <code>name(SB)</code>, but not offsets from symbols,
such as <code>name+4(SB)</code>.
</p>
<p>
Instructions, registers, and assembler directives are always in UPPER CASE to remind you
that assembly programming is a fraught endeavor.
(Exception: the <code>g</code> register renaming on ARM.)
</p>
<p>
In Go object files and binaries, the full name of a symbol is the
package path followed by a period and the symbol name:
<code>fmt.Printf</code> or <code>math/rand.Int</code>.
Because the assembler's parser treats period and slash as punctuation,
those strings cannot be used directly as identifier names.
Instead, the assembler allows the middle dot character U+00B7
and the division slash U+2215 in identifiers and rewrites them to
plain period and slash.
Within an assembler source file, the symbols above are written as
<code>fmt·Printf</code> and <code>mathrand·Int</code>.
The assembly listings generated by the compilers when using the <code>-S</code> flag
show the period and slash directly instead of the Unicode replacements
required by the assemblers.
</p>
<p>
Most hand-written assembly files do not include the full package path
in symbol names, because the linker inserts the package path of the current
object file at the beginning of any name starting with a period:
in an assembly source file within the math/rand package implementation,
the package's Int function can be referred to as <code>·Int</code>.
This convention avoids the need to hard-code a package's import path in its
own source code, making it easier to move the code from one location to another.
</p>
<h3 id="directives">Directives</h3>
<p>
The assembler uses various directives to bind text and data to symbol names.
For example, here is a simple complete function definition. The <code>TEXT</code>
directive declares the symbol <code>runtime·profileloop</code> and the instructions
that follow form the body of the function.
The last instruction in a <code>TEXT</code> block must be some sort of jump, usually a <code>RET</code> (pseudo-)instruction.
(If it's not, the linker will append a jump-to-itself instruction; there is no fallthrough in <code>TEXTs</code>.)
After the symbol, the arguments are flags (see below)
and the frame size, a constant (but see below):
</p>
<pre>
TEXT runtime·profileloop(SB),NOSPLIT,$8
MOVQ $runtime·profileloop1(SB), CX
MOVQ CX, 0(SP)
CALL runtime·externalthreadhandler(SB)
RET
</pre>
<p>
In the general case, the frame size is followed by an argument size, separated by a minus sign.
(It's not a subtraction, just idiosyncratic syntax.)
The frame size <code>$24-8</code> states that the function has a 24-byte frame
and is called with 8 bytes of argument, which live on the caller's frame.
If <code>NOSPLIT</code> is not specified for the <code>TEXT</code>,
the argument size must be provided.
For assembly functions with Go prototypes, <code>go</code> <code>vet</code> will check that the
argument size is correct.
</p>
<p>
Note that the symbol name uses a middle dot to separate the components and is specified as an offset from the
static base pseudo-register <code>SB</code>.
This function would be called from Go source for package <code>runtime</code> using the
simple name <code>profileloop</code>.
</p>
<p>
Global data symbols are defined by a sequence of initializing
<code>DATA</code> directives followed by a <code>GLOBL</code> directive.
Each <code>DATA</code> directive initializes a section of the
corresponding memory.
The memory not explicitly initialized is zeroed.
The general form of the <code>DATA</code> directive is
<pre>
DATA symbol+offset(SB)/width, value
</pre>
<p>
which initializes the symbol memory at the given offset and width with the given value.
The <code>DATA</code> directives for a given symbol must be written with increasing offsets.
</p>
<p>
The <code>GLOBL</code> directive declares a symbol to be global.
The arguments are optional flags and the size of the data being declared as a global,
which will have initial value all zeros unless a <code>DATA</code> directive
has initialized it.
The <code>GLOBL</code> directive must follow any corresponding <code>DATA</code> directives.
</p>
<p>
For example,
</p>
<pre>
DATA divtab&lt;&gt;+0x00(SB)/4, $0xf4f8fcff
DATA divtab&lt;&gt;+0x04(SB)/4, $0xe6eaedf0
...
DATA divtab&lt;&gt;+0x3c(SB)/4, $0x81828384
GLOBL divtab&lt;&gt;(SB), RODATA, $64
GLOBL runtime·tlsoffset(SB), NOPTR, $4
</pre>
<p>
declares and initializes <code>divtab&lt;&gt;</code>, a read-only 64-byte table of 4-byte integer values,
and declares <code>runtime·tlsoffset</code>, a 4-byte, implicitly zeroed variable that
contains no pointers.
</p>
<p>
There may be one or two arguments to the directives.
If there are two, the first is a bit mask of flags,
which can be written as numeric expressions, added or or-ed together,
or can be set symbolically for easier absorption by a human.
Their values, defined in the standard <code>#include</code> file <code>textflag.h</code>, are:
</p>
<ul>
<li>
<code>NOPROF</code> = 1
<br>
(For <code>TEXT</code> items.)
Don't profile the marked function. This flag is deprecated.
</li>
<li>
<code>DUPOK</code> = 2
<br>
It is legal to have multiple instances of this symbol in a single binary.
The linker will choose one of the duplicates to use.
</li>
<li>
<code>NOSPLIT</code> = 4
<br>
(For <code>TEXT</code> items.)
Don't insert the preamble to check if the stack must be split.
The frame for the routine, plus anything it calls, must fit in the
spare space at the top of the stack segment.
Used to protect routines such as the stack splitting code itself.
</li>
<li>
<code>RODATA</code> = 8
<br>
(For <code>DATA</code> and <code>GLOBL</code> items.)
Put this data in a read-only section.
</li>
<li>
<code>NOPTR</code> = 16
<br>
(For <code>DATA</code> and <code>GLOBL</code> items.)
This data contains no pointers and therefore does not need to be
scanned by the garbage collector.
</li>
<li>
<code>WRAPPER</code> = 32
<br>
(For <code>TEXT</code> items.)
This is a wrapper function and should not count as disabling <code>recover</code>.
</li>
<li>
<code>NEEDCTXT</code> = 64
<br>
(For <code>TEXT</code> items.)
This function is a closure so it uses its incoming context register.
</li>
</ul>
<h3 id="runtime">Runtime Coordination</h3>
<p>
For garbage collection to run correctly, the runtime must know the
location of pointers in all global data and in most stack frames.
The Go compiler emits this information when compiling Go source files,
but assembly programs must define it explicitly.
</p>
<p>
A data symbol marked with the <code>NOPTR</code> flag (see above)
is treated as containing no pointers to runtime-allocated data.
A data symbol with the <code>RODATA</code> flag
is allocated in read-only memory and is therefore treated
as implicitly marked <code>NOPTR</code>.
A data symbol with a total size smaller than a pointer
is also treated as implicitly marked <code>NOPTR</code>.
It is not possible to define a symbol containing pointers in an assembly source file;
such a symbol must be defined in a Go source file instead.
Assembly source can still refer to the symbol by name
even without <code>DATA</code> and <code>GLOBL</code> directives.
A good general rule of thumb is to define all non-<code>RODATA</code>
symbols in Go instead of in assembly.
</p>
<p>
Each function also needs annotations giving the location of
live pointers in its arguments, results, and local stack frame.
For an assembly function with no pointer results and
either no local stack frame or no function calls,
the only requirement is to define a Go prototype for the function
in a Go source file in the same package. The name of the assembly
function must not contain the package name component (for example,
function <code>Syscall</code> in package <code>syscall</code> should
use the name <code>·Syscall</code> instead of the equivalent name
<code>syscall·Syscall</code> in its <code>TEXT</code> directive).
For more complex situations, explicit annotation is needed.
These annotations use pseudo-instructions defined in the standard
<code>#include</code> file <code>funcdata.h</code>.
</p>
<p>
If a function has no arguments and no results,
the pointer information can be omitted.
This is indicated by an argument size annotation of <code>$<i>n</i>-0</code>
on the <code>TEXT</code> instruction.
Otherwise, pointer information must be provided by
a Go prototype for the function in a Go source file,
even for assembly functions not called directly from Go.
(The prototype will also let <code>go</code> <code>vet</code> check the argument references.)
At the start of the function, the arguments are assumed
to be initialized but the results are assumed uninitialized.
If the results will hold live pointers during a call instruction,
the function should start by zeroing the results and then
executing the pseudo-instruction <code>GO_RESULTS_INITIALIZED</code>.
This instruction records that the results are now initialized
and should be scanned during stack movement and garbage collection.
It is typically easier to arrange that assembly functions do not
return pointers or do not contain call instructions;
no assembly functions in the standard library use
<code>GO_RESULTS_INITIALIZED</code>.
</p>
<p>
If a function has no local stack frame,
the pointer information can be omitted.
This is indicated by a local frame size annotation of <code>$0-<i>n</i></code>
on the <code>TEXT</code> instruction.
The pointer information can also be omitted if the
function contains no call instructions.
Otherwise, the local stack frame must not contain pointers,
and the assembly must confirm this fact by executing the
pseudo-instruction <code>NO_LOCAL_POINTERS</code>.
Because stack resizing is implemented by moving the stack,
the stack pointer may change during any function call:
even pointers to stack data must not be kept in local variables.
</p>
<p>
Assembly functions should always be given Go prototypes,
both to provide pointer information for the arguments and results
and to let <code>go</code> <code>vet</code> check that
the offsets being used to access them are correct.
</p>
<h2 id="architectures">Architecture-specific details</h2>
<p>
It is impractical to list all the instructions and other details for each machine.
To see what instructions are defined for a given machine, say ARM,
look in the source for the <code>obj</code> support library for
that architecture, located in the directory <code>src/cmd/internal/obj/arm</code>.
In that directory is a file <code>a.out.go</code>; it contains
a long list of constants starting with <code>A</code>, like this:
</p>
<pre>
const (
AAND = obj.ABaseARM + obj.A_ARCHSPECIFIC + iota
AEOR
ASUB
ARSB
AADD
...
</pre>
<p>
This is the list of instructions and their spellings as known to the assembler and linker for that architecture.
Each instruction begins with an initial capital <code>A</code> in this list, so <code>AAND</code>
represents the bitwise and instruction,
<code>AND</code> (without the leading <code>A</code>),
and is written in assembly source as <code>AND</code>.
The enumeration is mostly in alphabetical order.
(The architecture-independent <code>AXXX</code>, defined in the
<code>cmd/internal/obj</code> package,
represents an invalid instruction).
The sequence of the <code>A</code> names has nothing to do with the actual
encoding of the machine instructions.
The <code>cmd/internal/obj</code> package takes care of that detail.
</p>
<p>
The instructions for both the 386 and AMD64 architectures are listed in
<code>cmd/internal/obj/x86/a.out.go</code>.
</p>
<p>
The architectures share syntax for common addressing modes such as
<code>(R1)</code> (register indirect),
<code>4(R1)</code> (register indirect with offset), and
<code>$foo(SB)</code> (absolute address).
The assembler also supports some (not necessarily all) addressing modes
specific to each architecture.
The sections below list these.
</p>
<p>
One detail evident in the examples from the previous sections is that data in the instructions flows from left to right:
<code>MOVQ</code> <code>$0,</code> <code>CX</code> clears <code>CX</code>.
This rule applies even on architectures where the conventional notation uses the opposite direction.
</p>
<p>
Here follow some descriptions of key Go-specific details for the supported architectures.
</p>
<h3 id="x86">32-bit Intel 386</h3>
<p>
The runtime pointer to the <code>g</code> structure is maintained
through the value of an otherwise unused (as far as Go is concerned) register in the MMU.
A OS-dependent macro <code>get_tls</code> is defined for the assembler if the source includes
a special header, <code>go_asm.h</code>:
</p>
<pre>
#include "go_asm.h"
</pre>
<p>
Within the runtime, the <code>get_tls</code> macro loads its argument register
with a pointer to the <code>g</code> pointer, and the <code>g</code> struct
contains the <code>m</code> pointer.
The sequence to load <code>g</code> and <code>m</code> using <code>CX</code> looks like this:
</p>
<pre>
get_tls(CX)
MOVL g(CX), AX // Move g into AX.
MOVL g_m(AX), BX // Move g.m into BX.
</pre>
<p>
Addressing modes:
</p>
<ul>
<li>
<code>(DI)(BX*2)</code>: The location at address <code>DI</code> plus <code>BX*2</code>.
</li>
<li>
<code>64(DI)(BX*2)</code>: The location at address <code>DI</code> plus <code>BX*2</code> plus 64.
These modes accept only 1, 2, 4, and 8 as scale factors.
</li>
</ul>
<p>
When using the compiler and assembler's
<code>-dynlink</code> or <code>-shared</code> modes,
any load or store of a fixed memory location such as a global variable
must be assumed to overwrite <code>CX</code>.
Therefore, to be safe for use with these modes,
assembly sources should typically avoid CX except between memory references.
</p>
<h3 id="amd64">64-bit Intel 386 (a.k.a. amd64)</h3>
<p>
The two architectures behave largely the same at the assembler level.
Assembly code to access the <code>m</code> and <code>g</code>
pointers on the 64-bit version is the same as on the 32-bit 386,
except it uses <code>MOVQ</code> rather than <code>MOVL</code>:
</p>
<pre>
get_tls(CX)
MOVQ g(CX), AX // Move g into AX.
MOVQ g_m(AX), BX // Move g.m into BX.
</pre>
<h3 id="arm">ARM</h3>
<p>
The registers <code>R10</code> and <code>R11</code>
are reserved by the compiler and linker.
</p>
<p>
<code>R10</code> points to the <code>g</code> (goroutine) structure.
Within assembler source code, this pointer must be referred to as <code>g</code>;
the name <code>R10</code> is not recognized.
</p>
<p>
To make it easier for people and compilers to write assembly, the ARM linker
allows general addressing forms and pseudo-operations like <code>DIV</code> or <code>MOD</code>
that may not be expressible using a single hardware instruction.
It implements these forms as multiple instructions, often using the <code>R11</code> register
to hold temporary values.
Hand-written assembly can use <code>R11</code>, but doing so requires
being sure that the linker is not also using it to implement any of the other
instructions in the function.
</p>
<p>
When defining a <code>TEXT</code>, specifying frame size <code>$-4</code>
tells the linker that this is a leaf function that does not need to save <code>LR</code> on entry.
</p>
<p>
The name <code>SP</code> always refers to the virtual stack pointer described earlier.
For the hardware register, use <code>R13</code>.
</p>
<p>
Condition code syntax is to append a period and the one- or two-letter code to the instruction,
as in <code>MOVW.EQ</code>.
Multiple codes may be appended: <code>MOVM.IA.W</code>.
The order of the code modifiers is irrelevant.
</p>
<p>
Addressing modes:
</p>
<ul>
<li>
<code>R0-&gt;16</code>
<br>
<code>R0&gt;&gt;16</code>
<br>
<code>R0&lt;&lt;16</code>
<br>
<code>R0@&gt;16</code>:
For <code>&lt;&lt;</code>, left shift <code>R0</code> by 16 bits.
The other codes are <code>-&gt;</code> (arithmetic right shift),
<code>&gt;&gt;</code> (logical right shift), and
<code>@&gt;</code> (rotate right).
</li>
<li>
<code>R0-&gt;R1</code>
<br>
<code>R0&gt;&gt;R1</code>
<br>
<code>R0&lt;&lt;R1</code>
<br>
<code>R0@&gt;R1</code>:
For <code>&lt;&lt;</code>, left shift <code>R0</code> by the count in <code>R1</code>.
The other codes are <code>-&gt;</code> (arithmetic right shift),
<code>&gt;&gt;</code> (logical right shift), and
<code>@&gt;</code> (rotate right).
</li>
<li>
<code>[R0,g,R12-R15]</code>: For multi-register instructions, the set comprising
<code>R0</code>, <code>g</code>, and <code>R12</code> through <code>R15</code> inclusive.
</li>
<li>
<code>(R5, R6)</code>: Destination register pair.
</li>
</ul>
<h3 id="arm64">ARM64</h3>
<p>
The ARM64 port is in an experimental state.
</p>
<p>
Instruction modifiers are appended to the instruction following a period.
The only modifiers are <code>P</code> (postincrement) and <code>W</code>
(preincrement):
<code>MOVW.P</code>, <code>MOVW.W</code>
</p>
<p>
Addressing modes:
</p>
<ul>
<li>
<code>(R5, R6)</code>: Register pair for <code>LDP</code>/<code>STP</code>.
</li>
</ul>
<h3 id="ppc64">64-bit PowerPC, a.k.a. ppc64</h3>
<p>
The 64-bit PowerPC port is in an experimental state.
</p>
<p>
Addressing modes:
</p>
<ul>
<li>
<code>(R5)(R6*1)</code>: The location at <code>R5</code> plus <code>R6</code>. It is a scaled
mode as on the x86, but the only scale allowed is <code>1</code>.
</li>
<li>
<code>(R5+R6)</code>: Alias for (R5)(R6*1)
</li>
</ul>
<h3 id="s390x">IBM z/Architecture, a.k.a. s390x</h3>
<p>
The registers <code>R10</code> and <code>R11</code> are reserved.
The assembler uses them to hold temporary values when assembling some instructions.
</p>
<p>
<code>R13</code> points to the <code>g</code> (goroutine) structure.
This register must be referred to as <code>g</code>; the name <code>R13</code> is not recognized.
</p>
<p>
<code>R15</code> points to the stack frame and should typically only be accessed using the
virtual registers <code>SP</code> and <code>FP</code>.
</p>
<p>
Load- and store-multiple instructions operate on a range of registers.
The range of registers is specified by a start register and an end register.
For example, <code>LMG</code> <code>(R9),</code> <code>R5,</code> <code>R7</code> would load
<code>R5</code>, <code>R6</code> and <code>R7</code> with the 64-bit values at
<code>0(R9)</code>, <code>8(R9)</code> and <code>16(R9)</code> respectively.
</p>
<p>
Storage-and-storage instructions such as <code>MVC</code> and <code>XC</code> are written
with the length as the first argument.
For example, <code>XC</code> <code>$8,</code> <code>(R9),</code> <code>(R9)</code> would clear
eight bytes at the address specified in <code>R9</code>.
</p>
<p>
If a vector instruction takes a length or an index as an argument then it will be the
first argument.
For example, <code>VLEIF</code> <code>$1,</code> <code>$16,</code> <code>V2</code> will load
the value sixteen into index one of <code>V2</code>.
Care should be taken when using vector instructions to ensure that they are available at
runtime.
To use vector instructions a machine must have both the vector facility (bit 129 in the
facility list) and kernel support.
Without kernel support a vector instruction will have no effect (it will be equivalent
to a <code>NOP</code> instruction).
</p>
<p>
Addressing modes:
</p>
<ul>
<li>
<code>(R5)(R6*1)</code>: The location at <code>R5</code> plus <code>R6</code>.
It is a scaled mode as on the x86, but the only scale allowed is <code>1</code>.
</li>
</ul>
<h3 id="mips">MIPS, MIPS64</h3>
<p>
General purpose registers are named <code>R0</code> through <code>R31</code>,
floating point registers are <code>F0</code> through <code>F31</code>.
</p>
<p>
<code>R30</code> is reserved to point to <code>g</code>.
<code>R23</code> is used as a temporary register.
</p>
<p>
In a <code>TEXT</code> directive, the frame size <code>$-4</code> for MIPS or
<code>$-8</code> for MIPS64 instructs the linker not to save <code>LR</code>.
</p>
<p>
<code>SP</code> refers to the virtual stack pointer.
For the hardware register, use <code>R29</code>.
</p>
<p>
Addressing modes:
</p>
<ul>
<li>
<code>16(R1)</code>: The location at <code>R1</code> plus 16.
</li>
<li>
<code>(R1)</code>: Alias for <code>0(R1)</code>.
</li>
</ul>
<h3 id="unsupported_opcodes">Unsupported opcodes</h3>
<p>
The assemblers are designed to support the compiler so not all hardware instructions
are defined for all architectures: if the compiler doesn't generate it, it might not be there.
If you need to use a missing instruction, there are two ways to proceed.
One is to update the assembler to support that instruction, which is straightforward
but only worthwhile if it's likely the instruction will be used again.
Instead, for simple one-off cases, it's possible to use the <code>BYTE</code>
and <code>WORD</code> directives
to lay down explicit data into the instruction stream within a <code>TEXT</code>.
Here's how the 386 runtime defines the 64-bit atomic load function.
</p>
<pre>
// uint64 atomicload64(uint64 volatile* addr);
// so actually
// void atomicload64(uint64 *res, uint64 volatile *addr);
TEXT runtime·atomicload64(SB), NOSPLIT, $0-12
MOVL ptr+0(FP), AX
TESTL $7, AX
JZ 2(PC)
MOVL 0, AX // crash with nil ptr deref
LEAL ret_lo+4(FP), BX
// MOVQ (%EAX), %MM0
BYTE $0x0f; BYTE $0x6f; BYTE $0x00
// MOVQ %MM0, 0(%EBX)
BYTE $0x0f; BYTE $0x7f; BYTE $0x03
// EMMS
BYTE $0x0F; BYTE $0x77
RET
</pre>

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<!--{
"Title": "Command Documentation",
"Path": "/doc/cmd"
}-->
<p>
There is a suite of programs to build and process Go source code.
Instead of being run directly, programs in the suite are usually invoked
by the <a href="/cmd/go/">go</a> program.
</p>
<p>
The most common way to run these programs is as a subcommand of the go program,
for instance as <code>go fmt</code>. Run like this, the command operates on
complete packages of Go source code, with the go program invoking the
underlying binary with arguments appropriate to package-level processing.
</p>
<p>
The programs can also be run as stand-alone binaries, with unmodified arguments,
using the go <code>tool</code> subcommand, such as <code>go tool vet</code>.
This style of invocation allows, for instance, checking a single source file
rather than an entire package: <code>go tool vet myprogram.go</code> as
compared to <code>go vet mypackage</code>.
</p>
<p>
Finally the <code>fmt</code> and <code>godoc</code> commands are installed
as regular binaries called <code>gofmt</code> and <code>godoc</code> because
they are so often referenced.
</p>
<p>
Click on the links for more documentation, invocation methods, and usage details.
</p>
<table class="dir">
<tr>
<th>Name</th>
<th>&nbsp;&nbsp;&nbsp;&nbsp;</th>
<th>Synopsis</th>
</tr>
<tr>
<td><a href="/cmd/go/">go</a></td>
<td>&nbsp;&nbsp;&nbsp;&nbsp;</td>
<td>
The <code>go</code> program manages Go source code and runs the other
commands listed here.
See the command docs for usage
details.
<br><br>
</td>
</tr>
<tr>
<td><a href="/cmd/cgo/">cgo</a></td>
<td>&nbsp;&nbsp;&nbsp;&nbsp;</td>
<td>Cgo enables the creation of Go packages that call C code.</td>
</tr>
<tr>
<td><a href="//godoc.org/golang.org/x/tools/cmd/cover/">cover</a></td>
<td>&nbsp;&nbsp;&nbsp;&nbsp;</td>
<td>Cover is a program for creating and analyzing the coverage profiles
generated by <code>"go test -coverprofile"</code>.</td>
</tr>
<tr>
<td><a href="/cmd/fix/">fix</a></td>
<td>&nbsp;&nbsp;&nbsp;&nbsp;</td>
<td>Fix finds Go programs that use old features of the language and libraries
and rewrites them to use newer ones.</td>
</tr>
<tr>
<td><a href="/cmd/go/">fmt</a></td>
<td>&nbsp;&nbsp;&nbsp;&nbsp;</td>
<td>Fmt formats Go packages, it is also available as an independent <a href="/cmd/gofmt/">
gofmt</a> command with more general options.</td>
</tr>
<tr>
<td><a href="//godoc.org/golang.org/x/tools/cmd/godoc/">godoc</a></td>
<td>&nbsp;&nbsp;&nbsp;&nbsp;</td>
<td>Godoc extracts and generates documentation for Go packages.</td>
</tr>
<tr>
<td><a href="/cmd/vet/">vet</a></td>
<td>&nbsp;&nbsp;&nbsp;&nbsp;</td>
<td>Vet examines Go source code and reports suspicious constructs, such as Printf
calls whose arguments do not align with the format string.</td>
</tr>
</table>
<p>
This is an abridged list. See the <a href="/cmd/">full command reference</a>
for documentation of the compilers and more.
</p>

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@@ -1,679 +1,368 @@
<!--{
"Title": "How to Write Go Code"
}-->
<!-- How to Write Go Code -->
<h2 id="Introduction">Introduction</h2>
<p>
This document demonstrates the development of a simple Go package and
introduces the <a href="/cmd/go/">go tool</a>, the standard way to fetch,
build, and install Go packages and commands.
This document explains how to write a new package
and how to test code.
It assumes you have installed Go using the
<a href="install.html">installation instructions</a>.
</p>
<p>
The <code>go</code> tool requires you to organize your code in a specific
way. Please read this document carefully.
It explains the simplest way to get up and running with your Go installation.
Before embarking on a change to an existing
package or the creation of a new package,
be sure to send mail to the
<a href="http://groups.google.com/group/golang-nuts">mailing list</a>
to let people know what you are thinking of doing.
Doing so helps avoid duplication of effort and
enables discussions about design before any code
has been written.
</p>
<h2 id="Community_resources">Community resources</h2>
<p>
For real-time help, there may be users or developers on
<code>#go-nuts</code> on the <a href="http://freenode.net/">Freenode</a> IRC server.
</p>
<p>
A similar explanation is available as a
<a href="//www.youtube.com/watch?v=XCsL89YtqCs">screencast</a>.
</p>
<h2 id="Organization">Code organization</h2>
<h3 id="Overview">Overview</h3>
<ul>
<li>Go programmers typically keep all their Go code in a single <i>workspace</i>.</li>
<li>A workspace contains many version control <i>repositories</i>
(managed by Git, for example).</li>
<li>Each repository contains one or more <i>packages</i>.</li>
<li>Each package consists of one or more Go source files in a single directory.</li>
<li>The path to a package's directory determines its <i>import path</i>.</li>
</ul>
<p>
Note that this differs from other programming environments in which every
project has a separate workspace and workspaces are closely tied to version
control repositories.
</p>
<h3 id="Workspaces">Workspaces</h3>
<p>
A workspace is a directory hierarchy with three directories at its root:
</p>
<ul>
<li><code>src</code> contains Go source files,
<li><code>pkg</code> contains package objects, and
<li><code>bin</code> contains executable commands.
</ul>
<p>
The <code>go</code> tool builds source packages and installs the resulting
binaries to the <code>pkg</code> and <code>bin</code> directories.
The official mailing list for discussion of the Go language is
<a href="http://groups.google.com/group/golang-nuts">Go Nuts</a>.
</p>
<p>
The <code>src</code> subdirectory typically contains multiple version control
repositories (such as for Git or Mercurial) that track the development of one
or more source packages.
Bugs can be reported using the <a href="http://code.google.com/p/go/issues/list">Go issue tracker</a>.
</p>
<p>
To give you an idea of how a workspace looks in practice, here's an example:
For those who wish to keep up with development,
there is another mailing list, <a href="http://groups.google.com/group/golang-checkins">golang-checkins</a>,
that receives a message summarizing each checkin to the Go repository.
</p>
<h2 id="New_package">Creating a new package</h2>
<p>
The source code for the package with import path
<code>x/y</code> is, by convention, kept in the
directory <code>$GOROOT/src/pkg/x/y</code>.
</p>
<h3>Makefile</h3>
<p>
It would be nice to have Go-specific tools that
inspect the source files to determine what to build and in
what order, but for now, Go uses GNU <code>make</code>.
Thus, the first file to create in a new package directory is
usually the <code>Makefile</code>.
The basic form used in the Go source tree
is illustrated by <a href="../src/pkg/container/vector/Makefile"><code>src/pkg/container/vector/Makefile</code></a>:
</p>
<pre>
bin/
hello # command executable
outyet # command executable
pkg/
linux_amd64/
github.com/golang/example/
stringutil.a # package object
src/
<a href="https://github.com/golang/example/">github.com/golang/example/</a>
.git/ # Git repository metadata
hello/
hello.go # command source
outyet/
main.go # command source
main_test.go # test source
stringutil/
reverse.go # package source
reverse_test.go # test source
<a href="https://golang.org/x/image/">golang.org/x/image/</a>
.git/ # Git repository metadata
bmp/
reader.go # package source
writer.go # package source
... (many more repositories and packages omitted) ...
include ../../../Make.inc
TARG=container/vector
GOFILES=\
intvector.go\
stringvector.go\
vector.go\
include ../../../Make.pkg
</pre>
<p>
The tree above shows a workspace containing two repositories
(<code>example</code> and <code>image</code>).
The <code>example</code> repository contains two commands (<code>hello</code>
and <code>outyet</code>) and one library (<code>stringutil</code>).
The <code>image</code> repository contains the <code>bmp</code> package
and <a href="https://godoc.org/golang.org/x/image">several others</a>.
</p>
<p>
A typical workspace contains many source repositories containing many
packages and commands. Most Go programmers keep <i>all</i> their Go source code
and dependencies in a single workspace.
</p>
<p>
Commands and libraries are built from different kinds of source packages.
We will discuss the distinction <a href="#PackageNames">later</a>.
</p>
<h3 id="GOPATH">The <code>GOPATH</code> environment variable</h3>
<p>
The <code>GOPATH</code> environment variable specifies the location of your
workspace. It defaults to a directory named <code>go</code> inside your home directory,
so <code>$HOME/go</code> on Unix,
<code>$home/go</code> on Plan 9,
and <code>%USERPROFILE%\go</code> (usually <code>C:\Users\YourName\go</code>) on Windows.
If you would like to work in a different location, you will need to set
<code>GOPATH</code> to the path to that directory.
(Another common setup is to set <code>GOPATH=$HOME</code>.)
Note that <code>GOPATH</code> must <b>not</b> be the
same path as your Go installation.
</p>
<p>
The command <code>go</code> <code>env</code> <code>GOPATH</code>
prints the effective current <code>GOPATH</code>;
it prints the default location if the environment variable is unset.
</p>
<p>
For convenience, add the workspace's <code>bin</code> subdirectory
to your <code>PATH</code>:
Outside the Go source tree (for personal packages), the standard form is
</p>
<pre>
$ <b>export PATH=$PATH:$(go env GOPATH)/bin</b>
include $(GOROOT)/src/Make.inc
TARG=mypackage
GOFILES=\
my1.go\
my2.go\
include $(GOROOT)/src/Make.pkg
</pre>
<p>
The scripts in the rest of this document use <code>$GOPATH</code>
instead of <code>$(go env GOPATH)</code> for brevity.
To make the scripts run as written
if you have not set GOPATH,
you can substitute $HOME/go in those commands
or else run:
The first and last lines <code>include</code> standard definitions and rules.
Packages maintained in the standard Go tree use a relative path (instead of
<code>$(GOROOT)/src</code>) so that <code>make</code> will work correctly
even if <code>$(GOROOT)</code> contains spaces.
This makes it easy for programmers to try Go.
</p>
<p>
If you have not set <code>$GOROOT</code> in your environment,
you must run <code>gomake</code> to use this form of makefile.
<code>Gomake</code> also takes care to invoke GNU Make
even on systems where it is installed as <code>gmake</code>
rather than <code>make</code>.
</p>
<p>
<code>TARG</code> is the target install path for the package,
the string that clients will use to import it.
Inside the Go tree, this string should be the same as the directory
in which the <code>Makefile</code> appears, with the
<code>$GOROOT/src/pkg/</code> prefix removed.
Outside the Go tree, you can use any <code>TARG</code> you
want that doesn't conflict with the standard Go package names.
A common convention is to use an identifying top-level name
to group your packages: <code>myname/tree</code>, <code>myname/filter</code>, etc.
Note that even if you keep your package source outside the
Go tree, running <code>make install</code> installs your
package binaries in the standard location&mdash;<code>$GOROOT/pkg</code>&mdash;to
make it easy to find them.
</p>
<p>
<code>GOFILES</code> is a list of source files to compile to
create the package. The trailing <code>\</code> characters
allow the list to be split onto multiple lines
for easy sorting.
</p>
<p>
If you create a new package directory in the Go tree, add it to the list in
<code>$GOROOT/src/pkg/Makefile</code> so that it
is included in the standard build. Then run:
<pre>
$ <b>export GOPATH=$(go env GOPATH)</b>
cd $GOROOT/src/pkg
./deps.bash
</pre>
<p>
To learn more about the <code>GOPATH</code> environment variable, see
<a href="/cmd/go/#hdr-GOPATH_environment_variable"><code>'go help gopath'</code></a>.
to update the dependency file <code>Make.deps</code>.
(This happens automatically each time you run <code>all.bash</code>
or <code>make.bash</code>.)
</p>
<p>
To use a custom workspace location,
<a href="https://golang.org/wiki/SettingGOPATH">set the <code>GOPATH</code> environment variable</a>.
</p>
<h3 id="ImportPaths">Import paths</h3>
<p>
An <i>import path</i> is a string that uniquely identifies a package.
A package's import path corresponds to its location inside a workspace
or in a remote repository (explained below).
</p>
<p>
The packages from the standard library are given short import paths such as
<code>"fmt"</code> and <code>"net/http"</code>.
For your own packages, you must choose a base path that is unlikely to
collide with future additions to the standard library or other external
libraries.
</p>
<p>
If you keep your code in a source repository somewhere, then you should use the
root of that source repository as your base path.
For instance, if you have a <a href="https://github.com/">GitHub</a> account at
<code>github.com/user</code>, that should be your base path.
</p>
<p>
Note that you don't need to publish your code to a remote repository before you
can build it. It's just a good habit to organize your code as if you will
publish it someday. In practice you can choose any arbitrary path name,
as long as it is unique to the standard library and greater Go ecosystem.
</p>
<p>
We'll use <code>github.com/user</code> as our base path. Create a directory
inside your workspace in which to keep source code:
</p>
<pre>
$ <b>mkdir -p $GOPATH/src/github.com/user</b>
</pre>
<h3 id="Command">Your first program</h3>
<p>
To compile and run a simple program, first choose a package path (we'll use
<code>github.com/user/hello</code>) and create a corresponding package directory
inside your workspace:
</p>
<pre>
$ <b>mkdir $GOPATH/src/github.com/user/hello</b>
</pre>
<p>
Next, create a file named <code>hello.go</code> inside that directory,
containing the following Go code.
</p>
<pre>
package main
import "fmt"
func main() {
fmt.Printf("Hello, world.\n")
}
</pre>
<p>
Now you can build and install that program with the <code>go</code> tool:
</p>
<pre>
$ <b>go install github.com/user/hello</b>
</pre>
<p>
Note that you can run this command from anywhere on your system. The
<code>go</code> tool finds the source code by looking for the
<code>github.com/user/hello</code> package inside the workspace specified by
<code>GOPATH</code>.
</p>
<p>
You can also omit the package path if you run <code>go install</code> from the
package directory:
</p>
<pre>
$ <b>cd $GOPATH/src/github.com/user/hello</b>
$ <b>go install</b>
</pre>
<p>
This command builds the <code>hello</code> command, producing an executable
binary. It then installs that binary to the workspace's <code>bin</code>
directory as <code>hello</code> (or, under Windows, <code>hello.exe</code>).
In our example, that will be <code>$GOPATH/bin/hello</code>, which is
<code>$HOME/work/bin/hello</code>.
</p>
<p>
The <code>go</code> tool will only print output when an error occurs, so if
these commands produce no output they have executed successfully.
</p>
<p>
You can now run the program by typing its full path at the command line:
</p>
<pre>
$ <b>$GOPATH/bin/hello</b>
Hello, world.
</pre>
<p>
Or, as you have added <code>$GOPATH/bin</code> to your <code>PATH</code>,
just type the binary name:
</p>
<pre>
$ <b>hello</b>
Hello, world.
</pre>
<p>
If you're using a source control system, now would be a good time to initialize
a repository, add the files, and commit your first change. Again, this step is
optional: you do not need to use source control to write Go code.
</p>
<pre>
$ <b>cd $GOPATH/src/github.com/user/hello</b>
$ <b>git init</b>
Initialized empty Git repository in /home/user/work/src/github.com/user/hello/.git/
$ <b>git add hello.go</b>
$ <b>git commit -m "initial commit"</b>
[master (root-commit) 0b4507d] initial commit
1 file changed, 1 insertion(+)
create mode 100644 hello.go
</pre>
<p>
Pushing the code to a remote repository is left as an exercise for the reader.
If you change the imports of an existing package,
you do not need to edit <code>$GOROOT/src/pkg/Makefile</code>
but you will still need to run <code>deps.bash</code> as above.
</p>
<h3 id="Library">Your first library</h3>
<h3>Go source files</h3>
<p>
Let's write a library and use it from the <code>hello</code> program.
</p>
<p>
Again, the first step is to choose a package path (we'll use
<code>github.com/user/stringutil</code>) and create the package directory:
</p>
<pre>
$ <b>mkdir $GOPATH/src/github.com/user/stringutil</b>
</pre>
<p>
Next, create a file named <code>reverse.go</code> in that directory with the
following contents.
</p>
<pre>
// Package stringutil contains utility functions for working with strings.
package stringutil
// Reverse returns its argument string reversed rune-wise left to right.
func Reverse(s string) string {
r := []rune(s)
for i, j := 0, len(r)-1; i &lt; len(r)/2; i, j = i+1, j-1 {
r[i], r[j] = r[j], r[i]
}
return string(r)
}
</pre>
<p>
Now, test that the package compiles with <code>go build</code>:
</p>
<pre>
$ <b>go build github.com/user/stringutil</b>
</pre>
<p>
Or, if you are working in the package's source directory, just:
</p>
<pre>
$ <b>go build</b>
</pre>
<p>
This won't produce an output file. To do that, you must use <code>go
install</code>, which places the package object inside the <code>pkg</code>
directory of the workspace.
</p>
<p>
After confirming that the <code>stringutil</code> package builds,
modify your original <code>hello.go</code> (which is in
<code>$GOPATH/src/github.com/user/hello</code>) to use it:
</p>
<pre>
package main
import (
"fmt"
<b>"github.com/user/stringutil"</b>
)
func main() {
fmt.Printf(stringutil.Reverse("!oG ,olleH"))
}
</pre>
<p>
Whenever the <code>go</code> tool installs a package or binary, it also
installs whatever dependencies it has.
So when you install the <code>hello</code> program
</p>
<pre>
$ <b>go install github.com/user/hello</b>
</pre>
<p>
the <code>stringutil</code> package will be installed as well, automatically.
</p>
<p>
Running the new version of the program, you should see a new, reversed message:
</p>
<pre>
$ <b>hello</b>
Hello, Go!
</pre>
<p>
After the steps above, your workspace should look like this:
</p>
<pre>
bin/
hello # command executable
pkg/
linux_amd64/ # this will reflect your OS and architecture
github.com/user/
stringutil.a # package object
src/
github.com/user/
hello/
hello.go # command source
stringutil/
reverse.go # package source
</pre>
<p>
Note that <code>go install</code> placed the <code>stringutil.a</code> object
in a directory inside <code>pkg/linux_amd64</code> that mirrors its source
directory.
This is so that future invocations of the <code>go</code> tool can find the
package object and avoid recompiling the package unnecessarily.
The <code>linux_amd64</code> part is there to aid in cross-compilation,
and will reflect the operating system and architecture of your system.
</p>
<p>
Go command executables are statically linked; the package objects need not
be present to run Go programs.
</p>
<h3 id="PackageNames">Package names</h3>
<p>
The first statement in a Go source file must be
</p>
<pre>
package <i>name</i>
</pre>
<p>
where <code><i>name</i></code> is the package's default name for imports.
The first statement in each of the source files listed in the <code>Makefile</code>
should be <code>package <i>name</i></code>, where <code><i>name</i></code>
is the package's default name for imports.
(All files in a package must use the same <code><i>name</i></code>.)
</p>
<p>
Go's convention is that the package name is the last element of the
import path: the package imported as "<code>crypto/rot13</code>"
import path: the package imported as <code>"crypto/rot13"</code>
should be named <code>rot13</code>.
</p>
<p>
Executable commands must always use <code>package main</code>.
</p>
<p>
There is no requirement that package names be unique
across all packages linked into a single binary,
only that the import paths (their full file names) be unique.
</p>
<p>
See <a href="/doc/effective_go.html#names">Effective Go</a> to learn more about
Go's naming conventions.
Go compiles all the source files in a package at once, so one file
can refer to constants, variables, types, and functions in another
file without special arrangement or declarations.
</p>
<p>
Writing clean, idiomatic Go code is beyond the scope of this document.
<a href="effective_go.html">Effective Go</a> is an introduction to
that topic.
</p>
<h2 id="Building_programs">Building programs</h2>
<p>To build a Go program with gomake, create a Makefile alongside your program's
source files. It should be similar to the example above, but include
<code>Make.cmd</code> instead of <code>Make.pkg</code>:
<pre>
include $(GOROOT)/src/Make.inc
TARG=helloworld
GOFILES=\
helloworld.go\
include $(GOROOT)/src/Make.cmd
</pre>
<p>Running <code>gomake</code> will compile <code>helloworld.go</code>
and produce an executable named <code>helloworld</code> in the current
directory.
</p>
<p>
Running <code>gomake install</code> will build <code>helloworld</code> if
necessary and copy it to the <code>$GOBIN</code> directory
(<code>$GOROOT/bin/</code> is the default).
</p>
<h2 id="Testing">Testing</h2>
<p>
Go has a lightweight test framework composed of the <code>go test</code>
command and the <code>testing</code> package.
</p>
<p>
Go has a lightweight test framework known as <code>gotest</code>.
You write a test by creating a file with a name ending in <code>_test.go</code>
that contains functions named <code>TestXXX</code> with signature
<code>func (t *testing.T)</code>.
that contains functions named <code>TestXXX</code> with signature <code>func (t *testing.T)</code>.
The test framework runs each such function;
if the function calls a failure function such as <code>t.Error</code> or
<code>t.Fail</code>, the test is considered to have failed.
if the function calls a failure function such as <code>t.Error</code> or <code>t.Fail</code>, the test is considered to have failed.
The <a href="/cmd/gotest/">gotest command documentation</a>
and the <a href="/pkg/testing/">testing package documentation</a> give more detail.
</p>
<p>
Add a test to the <code>stringutil</code> package by creating the file
<code>$GOPATH/src/github.com/user/stringutil/reverse_test.go</code> containing
the following Go code.
The <code>*_test.go</code> files should not be listed in the <code>Makefile</code>.
</p>
<p>
To run the test, run either <code>make test</code> or <code>gotest</code>
(they are equivalent).
To run only the tests in a single test file, for instance <code>one_test.go</code>,
run <code>gotest one_test.go</code>.
</p>
<p>
If your change affects performance, add a <code>Benchmark</code> function
(see the <a href="/cmd/gotest/">gotest command documentation</a>)
and run it using <code>gotest -test.bench=.</code>.
</p>
<p>
Once your new code is tested and working,
it's time to get it <a href="contribute.html">reviewed and submitted</a>.
</p>
<h2 id="pkg_example">An example package with tests</h2>
<p>
This example package, <code>numbers</code>, consists of the function
<code>Double</code>, which takes an <code>int</code> and returns that value
multiplied by 2. It consists of three files.
</p>
<p>
First, the package implementation, <code>numbers.go</code>:
</p>
<pre>
package stringutil
package numbers
import "testing"
func Double(i int) int {
return i * 2
}
</pre>
func TestReverse(t *testing.T) {
cases := []struct {
in, want string
}{
{"Hello, world", "dlrow ,olleH"},
{"Hello, 世界", "界世 ,olleH"},
{"", ""},
}
for _, c := range cases {
got := Reverse(c.in)
if got != c.want {
t.Errorf("Reverse(%q) == %q, want %q", c.in, got, c.want)
<p>
Next, the tests, <code>numbers_test.go</code>:
</p>
<pre>
package numbers
import (
"testing"
)
type doubleTest struct {
in, out int
}
var doubleTests = []doubleTest{
doubleTest{1, 2},
doubleTest{2, 4},
doubleTest{-5, -10},
}
func TestDouble(t *testing.T) {
for _, dt := range doubleTests {
v := Double(dt.in)
if v != dt.out {
t.Errorf("Double(%d) = %d, want %d.", dt.in, v, dt.out)
}
}
}
</pre>
<p>
Then run the test with <code>go test</code>:
Finally, the <code>Makefile</code>:
</p>
<pre>
$ <b>go test github.com/user/stringutil</b>
ok github.com/user/stringutil 0.165s
include $(GOROOT)/src/Make.inc
TARG=numbers
GOFILES=\
numbers.go\
include $(GOROOT)/src/Make.pkg
</pre>
<p>
As always, if you are running the <code>go</code> tool from the package
directory, you can omit the package path:
Running <code>gomake install</code> will build and install the package to
the <code>$GOROOT/pkg/</code> directory (it can then be used by any
program on the system).
</p>
<p>
Running <code>gomake test</code> (or just running the command
<code>gotest</code>) will rebuild the package, including the
<code>numbers_test.go</code> file, and then run the <code>TestDouble</code>
function. The output "<code>PASS</code>" indicates that all tests passed
successfully. Breaking the implementation by changing the multiplier from
<code>2</code> to <code>3</code> will allow you to see how failing tests are
reported.
</p>
<p>
See the <a href="/cmd/gotest/">gotest documentation</a> and the
<a href="/pkg/testing/">testing package</a> for more detail.
</p>
<h2 id="arch_os_specific">Architecture- and operating system-specific code</h2>
<p>First, a disclaimer: very few Go packages should need to know about the
hardware and operating system they run on. In the vast majority of cases the
language and standard library handle most portability issues. This section is
a guide for experienced systems programmers who have a good reason to write
platform-specific code, such as assembly-language support for fast
trigonometric functions or code that implements a common interface above
different operating systems.</p>
<p>To compile such code, use the <code>$GOOS</code> and <code>$GOARCH</code>
<a href="/doc/install.html#environment">environment variables</a> in your
source file names and <code>Makefile</code>.</p>
<p>For example, this <code>Makefile</code> describes a package that builds on
different operating systems by parameterizing the file name with
<code>$GOOS</code>.</p>
<pre>
include $(GOROOT)/src/Make.inc
TARG=mypackage
GOFILES=\
my.go\
my_$(GOOS).go\
include $(GOROOT)/src/Make.pkg
</pre>
<p>The OS-specific code goes in <code>my_linux.go</code>,
<code>my_darwin.go</code>, and so on.</p>
<p>If you follow these conventional parameterizations, tools such as
<a href="/cmd/goinstall/">goinstall</a> will work seamlessly with your package:
</p>
<pre>
$ <b>go test</b>
ok github.com/user/stringutil 0.165s
my_$(GOOS).go
my_$(GOARCH).go
my_$(GOOS)_$(GOARCH).go
</pre>
<p>
Run <code><a href="/cmd/go/#hdr-Test_packages">go help test</a></code> and see the
<a href="/pkg/testing/">testing package documentation</a> for more detail.
</p>
<h2 id="remote">Remote packages</h2>
<p>
An import path can describe how to obtain the package source code using a
revision control system such as Git or Mercurial. The <code>go</code> tool uses
this property to automatically fetch packages from remote repositories.
For instance, the examples described in this document are also kept in a
Git repository hosted at GitHub
<code><a href="https://github.com/golang/example">github.com/golang/example</a></code>.
If you include the repository URL in the package's import path,
<code>go get</code> will fetch, build, and install it automatically:
</p>
<pre>
$ <b>go get github.com/golang/example/hello</b>
$ <b>$GOPATH/bin/hello</b>
Hello, Go examples!
</pre>
<p>
If the specified package is not present in a workspace, <code>go get</code>
will place it inside the first workspace specified by <code>GOPATH</code>.
(If the package does already exist, <code>go get</code> skips the remote
fetch and behaves the same as <code>go install</code>.)
</p>
<p>
After issuing the above <code>go get</code> command, the workspace directory
tree should now look like this:
</p>
<pre>
bin/
hello # command executable
pkg/
linux_amd64/
github.com/golang/example/
stringutil.a # package object
github.com/user/
stringutil.a # package object
src/
github.com/golang/example/
.git/ # Git repository metadata
hello/
hello.go # command source
stringutil/
reverse.go # package source
reverse_test.go # test source
github.com/user/
hello/
hello.go # command source
stringutil/
reverse.go # package source
reverse_test.go # test source
</pre>
<p>
The <code>hello</code> command hosted at GitHub depends on the
<code>stringutil</code> package within the same repository. The imports in
<code>hello.go</code> file use the same import path convention, so the
<code>go get</code> command is able to locate and install the dependent
package, too.
</p>
<pre>
import "github.com/golang/example/stringutil"
</pre>
<p>
This convention is the easiest way to make your Go packages available for
others to use.
The <a href="//golang.org/wiki/Projects">Go Wiki</a>
and <a href="//godoc.org/">godoc.org</a>
provide lists of external Go projects.
</p>
<p>
For more information on using remote repositories with the <code>go</code> tool, see
<code><a href="/cmd/go/#hdr-Remote_import_paths">go help importpath</a></code>.
</p>
<h2 id="next">What's next</h2>
<p>
Subscribe to the
<a href="//groups.google.com/group/golang-announce">golang-announce</a>
mailing list to be notified when a new stable version of Go is released.
</p>
<p>
See <a href="/doc/effective_go.html">Effective Go</a> for tips on writing
clear, idiomatic Go code.
</p>
<p>
Take <a href="//tour.golang.org/">A Tour of Go</a> to learn the language
proper.
</p>
<p>
Visit the <a href="/doc/#articles">documentation page</a> for a set of in-depth
articles about the Go language and its libraries and tools.
</p>
<h2 id="help">Getting help</h2>
<p>
For real-time help, ask the helpful gophers in <code>#go-nuts</code> on the
<a href="http://freenode.net/">Freenode</a> IRC server.
</p>
<p>
The official mailing list for discussion of the Go language is
<a href="//groups.google.com/group/golang-nuts">Go Nuts</a>.
</p>
<p>
Report bugs using the
<a href="//golang.org/issue">Go issue tracker</a>.
</p>
<p>The same holds for <code>.s</code> (assembly) files.</p>

25
doc/codelab/wiki/Makefile Normal file
View File

@@ -0,0 +1,25 @@
# Copyright 2010 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
include ../../../src/Make.inc
all: index.html
include ../../../src/Make.common
CLEANFILES+=index.html srcextract.bin htmlify.bin get.bin
index.html: srcextract.bin htmlify.bin
PATH=.:$$PATH awk '/^!/{system(substr($$0,2)); next} {print}' < wiki.html | tr -d '\r' > index.html
test: get.bin
bash ./test.sh
rm -f get.6 get.bin
%.bin: %.$O
$(LD) -o $@ $<
%.$O: %.go
$(GC) $*.go

View File

@@ -0,0 +1,6 @@
<h1>Editing {{.Title |html}}</h1>
<form action="/save/{{.Title |html}}" method="POST">
<div><textarea name="body" rows="20" cols="80">{{printf "%s" .Body |html}}</textarea></div>
<div><input type="submit" value="Save"></div>
</form>

View File

@@ -0,0 +1,100 @@
package main
import (
"http"
"io/ioutil"
"os"
"regexp"
"template"
)
type Page struct {
Title string
Body []byte
}
func (p *Page) save() os.Error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) (*Page, os.Error) {
filename := title + ".txt"
body, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
return &Page{Title: title, Body: body}, nil
}
func viewHandler(w http.ResponseWriter, r *http.Request) {
title, err := getTitle(w, r)
if err != nil {
return
}
p, err := loadPage(title)
if err != nil {
http.Redirect(w, r, "/edit/"+title, http.StatusFound)
return
}
renderTemplate(w, "view", p)
}
func editHandler(w http.ResponseWriter, r *http.Request) {
title, err := getTitle(w, r)
if err != nil {
return
}
p, err := loadPage(title)
if err != nil {
p = &Page{Title: title}
}
renderTemplate(w, "edit", p)
}
func saveHandler(w http.ResponseWriter, r *http.Request) {
title, err := getTitle(w, r)
if err != nil {
return
}
body := r.FormValue("body")
p := &Page{Title: title, Body: []byte(body)}
err = p.save()
if err != nil {
http.Error(w, err.String(), http.StatusInternalServerError)
return
}
http.Redirect(w, r, "/view/"+title, http.StatusFound)
}
func renderTemplate(w http.ResponseWriter, tmpl string, p *Page) {
t, err := template.ParseFile(tmpl+".html")
if err != nil {
http.Error(w, err.String(), http.StatusInternalServerError)
return
}
err = t.Execute(w, p)
if err != nil {
http.Error(w, err.String(), http.StatusInternalServerError)
}
}
const lenPath = len("/view/")
var titleValidator = regexp.MustCompile("^[a-zA-Z0-9]+$")
func getTitle(w http.ResponseWriter, r *http.Request) (title string, err os.Error) {
title = r.URL.Path[lenPath:]
if !titleValidator.MatchString(title) {
http.NotFound(w, r)
err = os.NewError("Invalid Page Title")
}
return
}
func main() {
http.HandleFunc("/view/", viewHandler)
http.HandleFunc("/edit/", editHandler)
http.HandleFunc("/save/", saveHandler)
http.ListenAndServe(":8080", nil)
}

View File

@@ -0,0 +1,52 @@
package main
import (
"http"
"io/ioutil"
"os"
"template"
)
type Page struct {
Title string
Body []byte
}
func (p *Page) save() os.Error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) (*Page, os.Error) {
filename := title + ".txt"
body, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
return &Page{Title: title, Body: body}, nil
}
const lenPath = len("/view/")
func editHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[lenPath:]
p, err := loadPage(title)
if err != nil {
p = &Page{Title: title}
}
t, _ := template.ParseFile("edit.html")
t.Execute(w, p)
}
func viewHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[lenPath:]
p, _ := loadPage(title)
t, _ := template.ParseFile("view.html")
t.Execute(w, p)
}
func main() {
http.HandleFunc("/view/", viewHandler)
http.HandleFunc("/edit/", editHandler)
http.ListenAndServe(":8080", nil)
}

View File

@@ -0,0 +1,90 @@
package main
import (
"http"
"io/ioutil"
"os"
"regexp"
"template"
)
type Page struct {
Title string
Body []byte
}
func (p *Page) save() os.Error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) (*Page, os.Error) {
filename := title + ".txt"
body, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
return &Page{Title: title, Body: body}, nil
}
func viewHandler(w http.ResponseWriter, r *http.Request, title string) {
p, err := loadPage(title)
if err != nil {
http.Redirect(w, r, "/edit/"+title, http.StatusFound)
return
}
renderTemplate(w, "view", p)
}
func editHandler(w http.ResponseWriter, r *http.Request, title string) {
p, err := loadPage(title)
if err != nil {
p = &Page{Title: title}
}
renderTemplate(w, "edit", p)
}
func saveHandler(w http.ResponseWriter, r *http.Request, title string) {
body := r.FormValue("body")
p := &Page{Title: title, Body: []byte(body)}
err := p.save()
if err != nil {
http.Error(w, err.String(), http.StatusInternalServerError)
return
}
http.Redirect(w, r, "/view/"+title, http.StatusFound)
}
func renderTemplate(w http.ResponseWriter, tmpl string, p *Page) {
t, err := template.ParseFile(tmpl+".html", nil)
if err != nil {
http.Error(w, err.String(), http.StatusInternalServerError)
return
}
err = t.Execute(w, p)
if err != nil {
http.Error(w, err.String(), http.StatusInternalServerError)
}
}
const lenPath = len("/view/")
var titleValidator = regexp.MustCompile("^[a-zA-Z0-9]+$")
func makeHandler(fn func(http.ResponseWriter, *http.Request, string)) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[lenPath:]
if !titleValidator.MatchString(title) {
http.NotFound(w, r)
return
}
fn(w, r, title)
}
}
func main() {
http.HandleFunc("/view/", makeHandler(viewHandler))
http.HandleFunc("/edit/", makeHandler(editHandler))
http.HandleFunc("/save/", makeHandler(saveHandler))
http.ListenAndServe(":8080", nil)
}

View File

@@ -0,0 +1,64 @@
package main
import (
"http"
"io/ioutil"
"os"
"template"
)
type Page struct {
Title string
Body []byte
}
func (p *Page) save() os.Error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) (*Page, os.Error) {
filename := title + ".txt"
body, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
return &Page{Title: title, Body: body}, nil
}
const lenPath = len("/view/")
func editHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[lenPath:]
p, err := loadPage(title)
if err != nil {
p = &Page{Title: title}
}
renderTemplate(w, "edit", p)
}
func viewHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[lenPath:]
p, _ := loadPage(title)
renderTemplate(w, "view", p)
}
func saveHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[lenPath:]
body := r.FormValue("body")
p := &Page{Title: title, Body: []byte(body)}
p.save()
http.Redirect(w, r, "/view/"+title, http.StatusFound)
}
func renderTemplate(w http.ResponseWriter, tmpl string, p *Page) {
t, _ := template.ParseFile(tmpl+".html", nil)
t.Execute(w, p)
}
func main() {
http.HandleFunc("/view/", viewHandler)
http.HandleFunc("/edit/", editHandler)
http.HandleFunc("/save/", saveHandler)
http.ListenAndServe(":8080", nil)
}

94
doc/codelab/wiki/final.go Normal file
View File

@@ -0,0 +1,94 @@
package main
import (
"http"
"io/ioutil"
"os"
"regexp"
"template"
)
type Page struct {
Title string
Body []byte
}
func (p *Page) save() os.Error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) (*Page, os.Error) {
filename := title + ".txt"
body, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
return &Page{Title: title, Body: body}, nil
}
func viewHandler(w http.ResponseWriter, r *http.Request, title string) {
p, err := loadPage(title)
if err != nil {
http.Redirect(w, r, "/edit/"+title, http.StatusFound)
return
}
renderTemplate(w, "view", p)
}
func editHandler(w http.ResponseWriter, r *http.Request, title string) {
p, err := loadPage(title)
if err != nil {
p = &Page{Title: title}
}
renderTemplate(w, "edit", p)
}
func saveHandler(w http.ResponseWriter, r *http.Request, title string) {
body := r.FormValue("body")
p := &Page{Title: title, Body: []byte(body)}
err := p.save()
if err != nil {
http.Error(w, err.String(), http.StatusInternalServerError)
return
}
http.Redirect(w, r, "/view/"+title, http.StatusFound)
}
var templates = make(map[string]*template.Template)
func init() {
for _, tmpl := range []string{"edit", "view"} {
t := template.Must(template.ParseFile(tmpl+".html"))
templates[tmpl] = t
}
}
func renderTemplate(w http.ResponseWriter, tmpl string, p *Page) {
err := templates[tmpl].Execute(w, p)
if err != nil {
http.Error(w, err.String(), http.StatusInternalServerError)
}
}
const lenPath = len("/view/")
var titleValidator = regexp.MustCompile("^[a-zA-Z0-9]+$")
func makeHandler(fn func(http.ResponseWriter, *http.Request, string)) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[lenPath:]
if !titleValidator.MatchString(title) {
http.NotFound(w, r)
return
}
fn(w, r, title)
}
}
func main() {
http.HandleFunc("/view/", makeHandler(viewHandler))
http.HandleFunc("/edit/", makeHandler(editHandler))
http.HandleFunc("/save/", makeHandler(saveHandler))
http.ListenAndServe(":8080", nil)
}

50
doc/codelab/wiki/get.go Normal file
View File

@@ -0,0 +1,50 @@
package main
import (
"http"
"flag"
"fmt"
"io"
"log"
"net"
"os"
"strings"
)
var (
post = flag.String("post", "", "urlencoded form data to POST")
addr = flag.Bool("addr", false, "find open address and print to stdout")
)
func main() {
flag.Parse()
if *addr {
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
log.Fatal(err)
}
defer l.Close()
fmt.Print(l.Addr())
return
}
url := flag.Arg(0)
if url == "" {
log.Fatal("no url supplied")
}
var r *http.Response
var err os.Error
if *post != "" {
b := strings.NewReader(*post)
r, err = http.Post(url, "application/x-www-form-urlencoded", b)
} else {
r, err = http.Get(url)
}
if err != nil {
log.Fatal(err)
}
defer r.Body.Close()
_, err = io.Copy(os.Stdout, r.Body)
if err != nil {
log.Fatal(err)
}
}

View File

@@ -0,0 +1,12 @@
package main
import (
"template"
"os"
"io/ioutil"
)
func main() {
b, _ := ioutil.ReadAll(os.Stdin)
template.HTMLEscape(os.Stdout, b)
}

View File

@@ -2,7 +2,7 @@ package main
import (
"fmt"
"net/http"
"http"
)
func handler(w http.ResponseWriter, r *http.Request) {

1007
doc/codelab/wiki/index.html Normal file

File diff suppressed because it is too large Load Diff

View File

@@ -1,13 +1,10 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"fmt"
"http"
"io/ioutil"
"net/http"
"os"
)
type Page struct {
@@ -15,12 +12,12 @@ type Page struct {
Body []byte
}
func (p *Page) save() error {
func (p *Page) save() os.Error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) (*Page, error) {
func loadPage(title string) (*Page, os.Error) {
filename := title + ".txt"
body, err := ioutil.ReadFile(filename)
if err != nil {
@@ -29,14 +26,16 @@ func loadPage(title string) (*Page, error) {
return &Page{Title: title, Body: body}, nil
}
const lenPath = len("/view/")
func viewHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[len("/view/"):]
title := r.URL.Path[lenPath:]
p, _ := loadPage(title)
fmt.Fprintf(w, "<h1>%s</h1><div>%s</div>", p.Title, p.Body)
}
func editHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[len("/edit/"):]
title := r.URL.Path[lenPath:]
p, err := loadPage(title)
if err != nil {
p = &Page{Title: title}

View File

@@ -0,0 +1,30 @@
package main
import (
"fmt"
"io/ioutil"
"os"
)
type Page struct {
Title string
Body []byte
}
func (p *Page) save() os.Error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) *Page {
filename := title + ".txt"
body, _ := ioutil.ReadFile(filename)
return &Page{Title: title, Body: body}
}
func main() {
p1 := &Page{Title: "TestPage", Body: []byte("This is a sample page.")}
p1.save()
p2 := loadPage("TestPage")
fmt.Println(string(p2.Body))
}

33
doc/codelab/wiki/part1.go Normal file
View File

@@ -0,0 +1,33 @@
package main
import (
"fmt"
"io/ioutil"
"os"
)
type Page struct {
Title string
Body []byte
}
func (p *Page) save() os.Error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) (*Page, os.Error) {
filename := title + ".txt"
body, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
return &Page{Title: title, Body: body}, nil
}
func main() {
p1 := &Page{Title: "TestPage", Body: []byte("This is a sample Page.")}
p1.save()
p2, _ := loadPage("TestPage")
fmt.Println(string(p2.Body))
}

40
doc/codelab/wiki/part2.go Normal file
View File

@@ -0,0 +1,40 @@
package main
import (
"fmt"
"http"
"io/ioutil"
"os"
)
type Page struct {
Title string
Body []byte
}
func (p *Page) save() os.Error {
filename := p.Title + ".txt"
return ioutil.WriteFile(filename, p.Body, 0600)
}
func loadPage(title string) (*Page, os.Error) {
filename := title + ".txt"
body, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
return &Page{Title: title, Body: body}, nil
}
const lenPath = len("/view/")
func viewHandler(w http.ResponseWriter, r *http.Request) {
title := r.URL.Path[lenPath:]
p, _ := loadPage(title)
fmt.Fprintf(w, "<h1>%s</h1><div>%s</div>", p.Title, p.Body)
}
func main() {
http.HandleFunc("/view/", viewHandler)
http.ListenAndServe(":8080", nil)
}

View File

@@ -0,0 +1,72 @@
package main
import (
"bytes"
"flag"
"go/parser"
"go/printer"
"go/ast"
"go/token"
"log"
"template"
"os"
)
var (
srcFn = flag.String("src", "", "source filename")
getName = flag.String("name", "", "func/type name to output")
html = flag.Bool("html", true, "output HTML")
showPkg = flag.Bool("pkg", false, "show package in output")
)
func main() {
// handle input
flag.Parse()
if *srcFn == "" || *getName == "" {
flag.Usage()
os.Exit(2)
}
// load file
fs := token.NewFileSet()
file, err := parser.ParseFile(fs, *srcFn, nil, 0)
if err != nil {
log.Fatal(err)
}
// create filter
filter := func(name string) bool {
return name == *getName
}
// filter
if !ast.FilterFile(file, filter) {
os.Exit(1)
}
// print the AST
var b bytes.Buffer
printer.Fprint(&b, fs, file)
// drop package declaration
if !*showPkg {
for {
c, err := b.ReadByte()
if c == '\n' || err != nil {
break
}
}
}
// drop leading newlines
for {
b, err := b.ReadByte()
if err != nil {
break
}
if b != '\n' {
os.Stdout.Write([]byte{b})
break
}
}
// output
if *html {
template.HTMLEscape(os.Stdout, b.Bytes())
} else {
b.WriteTo(os.Stdout)
}
}

27
doc/codelab/wiki/test.sh Executable file
View File

@@ -0,0 +1,27 @@
#!/usr/bin/env bash
set -e
wiki_pid=
cleanup() {
kill $wiki_pid
rm -f test_*.out Test.txt final-test.bin final-test.go
}
trap cleanup 0 INT
gomake get.bin
addr=$(./get.bin -addr)
sed s/:8080/$addr/ < final.go > final-test.go
gomake final-test.bin
(./final-test.bin) &
wiki_pid=$!
sleep 1
./get.bin http://$addr/edit/Test > test_edit.out
diff -u test_edit.out test_edit.good
./get.bin -post=body=some%20content http://$addr/save/Test
diff -u Test.txt test_Test.txt.good
./get.bin http://$addr/view/Test > test_view.out
diff -u test_view.out test_view.good
echo PASS

View File

@@ -0,0 +1,5 @@
<h1>{{.Title |html}}</h1>
<p>[<a href="/edit/{{.Title |html}}">edit</a>]</p>
<div>{{printf "%s" .Body |html}}</div>

784
doc/codelab/wiki/wiki.html Normal file
View File

@@ -0,0 +1,784 @@
<!-- Codelab: Writing Web Applications -->
<h2>Introduction</h2>
<p>
Covered in this codelab:
</p>
<ul>
<li>Creating a data structure with load and save methods</li>
<li>Using the <code>http</code> package to build web applications
<li>Using the <code>template</code> package to process HTML templates</li>
<li>Using the <code>regexp</code> package to validate user input</li>
<li>Using closures</li>
</ul>
<p>
Assumed knowledge:
</p>
<ul>
<li>Programming experience</li>
<li>Understanding of basic web technologies (HTTP, HTML)</li>
<li>Some UNIX command-line knowledge</li>
</ul>
<h2>Getting Started</h2>
<p>
At present, you need to have a Linux, OS X, or FreeBSD machine to run Go. If
you don't have access to one, you could set up a Linux Virtual Machine (using
<a href="http://www.virtualbox.org/">VirtualBox</a> or similar) or a
<a href="http://www.google.com/search?q=virtual+private+server">Virtual
Private Server</a>.
</p>
<p>
Install Go (see the <a href="http://golang.org/doc/install.html">Installation Instructions</a>).
</p>
<p>
Make a new directory for this codelab and cd to it:
</p>
<pre>
$ mkdir ~/gowiki
$ cd ~/gowiki
</pre>
<p>
Create a file named <code>wiki.go</code>, open it in your favorite editor, and
add the following lines:
</p>
<pre>
package main
import (
"fmt"
"io/ioutil"
"os"
)
</pre>
<p>
We import the <code>fmt</code>, <code>ioutil</code> and <code>os</code>
packages from the Go standard library. Later, as we implement additional
functionality, we will add more packages to this <code>import</code>
declaration.
</p>
<h2>Data Structures</h2>
<p>
Let's start by defining the data structures. A wiki consists of a series of
interconnected pages, each of which has a title and a body (the page content).
Here, we define <code>Page</code> as a struct with two fields representing
the title and body.
</p>
<pre>
!srcextract.bin -src=part1.go -name=Page
</pre>
<p>
The type <code>[]byte</code> means "a <code>byte</code> slice".
(See <a href="http://golang.org/doc/effective_go.html#slices">Effective Go</a>
for more on slices.)
The <code>Body</code> element is a <code>[]byte</code> rather than
<code>string</code> because that is the type expected by the <code>io</code>
libraries we will use, as you'll see below.
</p>
<p>
The <code>Page</code> struct describes how page data will be stored in memory.
But what about persistent storage? We can address that by creating a
<code>save</code> method on <code>Page</code>:
</p>
<pre>
!srcextract.bin -src=part1.go -name=save
</pre>
<p>
This method's signature reads: "This is a method named <code>save</code> that
takes as its receiver <code>p</code>, a pointer to <code>Page</code> . It takes
no parameters, and returns a value of type <code>os.Error</code>."
</p>
<p>
This method will save the <code>Page</code>'s <code>Body</code> to a text
file. For simplicity, we will use the <code>Title</code> as the file name.
</p>
<p>
The <code>save</code> method returns an <code>os.Error</code> value because
that is the return type of <code>WriteFile</code> (a standard library function
that writes a byte slice to a file). The <code>save</code> method returns the
error value, to let the application handle it should anything go wrong while
writing the file. If all goes well, <code>Page.save()</code> will return
<code>nil</code> (the zero-value for pointers, interfaces, and some other
types).
</p>
<p>
The octal integer constant <code>0600</code>, passed as the third parameter to
<code>WriteFile</code>, indicates that the file should be created with
read-write permissions for the current user only. (See the Unix man page
<code>open(2)</code> for details.)
</p>
<p>
We will want to load pages, too:
</p>
<pre>
!srcextract.bin -src=part1-noerror.go -name=loadPage
</pre>
<p>
The function <code>loadPage</code> constructs the file name from
<code>Title</code>, reads the file's contents into a new
<code>Page</code>, and returns a pointer to that new <code>page</code>.
</p>
<p>
Functions can return multiple values. The standard library function
<code>io.ReadFile</code> returns <code>[]byte</code> and <code>os.Error</code>.
In <code>loadPage</code>, error isn't being handled yet; the "blank identifier"
represented by the underscore (<code>_</code>) symbol is used to throw away the
error return value (in essence, assigning the value to nothing).
</p>
<p>
But what happens if <code>ReadFile</code> encounters an error? For example,
the file might not exist. We should not ignore such errors. Let's modify the
function to return <code>*Page</code> and <code>os.Error</code>.
</p>
<pre>
!srcextract.bin -src=part1.go -name=loadPage
</pre>
<p>
Callers of this function can now check the second parameter; if it is
<code>nil</code> then it has successfully loaded a Page. If not, it will be an
<code>os.Error</code> that can be handled by the caller (see the <a
href="http://golang.org/pkg/os/#Error">os package documentation</a> for
details).
</p>
<p>
At this point we have a simple data structure and the ability to save to and
load from a file. Let's write a <code>main</code> function to test what we've
written:
</p>
<pre>
!srcextract.bin -src=part1.go -name=main
</pre>
<p>
After compiling and executing this code, a file named <code>TestPage.txt</code>
would be created, containing the contents of <code>p1</code>. The file would
then be read into the struct <code>p2</code>, and its <code>Body</code> element
printed to the screen.
</p>
<p>
You can compile and run the program like this:
</p>
<pre>
$ 8g wiki.go
$ 8l wiki.8
$ ./8.out
This is a sample page.
</pre>
<p>
(The <code>8g</code> and <code>8l</code> commands are applicable to
<code>GOARCH=386</code>. If you're on an <code>amd64</code> system,
substitute 6's for the 8's.)
</p>
<p>
<a href="part1.go">Click here to view the code we've written so far.</a>
</p>
<h2>Introducing the <code>http</code> package (an interlude)</h2>
<p>
Here's a full working example of a simple web server:
</p>
<pre>
!htmlify.bin < http-sample.go
</pre>
<p>
The <code>main</code> function begins with a call to
<code>http.HandleFunc</code>, which tells the <code>http</code> package to
handle all requests to the web root (<code>"/"</code>) with
<code>handler</code>.
</p>
<p>
It then calls <code>http.ListenAndServe</code>, specifying that it should
listen on port 8080 on any interface (<code>":8080"</code>). (Don't
worry about its second parameter, <code>nil</code>, for now.)
This function will block until the program is terminated.
</p>
<p>
The function <code>handler</code> is of the type <code>http.HandlerFunc</code>.
It takes an <code>http.ResponseWriter</code> and an <code>http.Request</code> as
its arguments.
</p>
<p>
An <code>http.ResponseWriter</code> value assembles the HTTP server's response; by writing
to it, we send data to the HTTP client.
</p>
<p>
An <code>http.Request</code> is a data structure that represents the client
HTTP request. The string <code>r.URL.Path</code> is the path component
of the request URL. The trailing <code>[1:]</code> means
"create a sub-slice of <code>Path</code> from the 1st character to the end."
This drops the leading "/" from the path name.
</p>
<p>
If you run this program and access the URL:
</p>
<pre>http://localhost:8080/monkeys</pre>
<p>
the program would present a page containing:
</p>
<pre>Hi there, I love monkeys!</pre>
<h2>Using <code>http</code> to serve wiki pages</h2>
<p>
To use the <code>http</code> package, it must be imported:
</p>
<pre>
import (
"fmt"
<b>"http"</b>
"io/ioutil"
"os"
)
</pre>
<p>
Let's create a handler to view a wiki page:
</p>
<pre>
!srcextract.bin -src=part2.go -name=lenPath
!srcextract.bin -src=part2.go -name=viewHandler
</pre>
<p>
First, this function extracts the page title from <code>r.URL.Path</code>,
the path component of the request URL. The global constant
<code>lenPath</code> is the length of the leading <code>"/view/"</code>
component of the request path.
The <code>Path</code> is re-sliced with <code>[lenPath:]</code> to drop the
first 6 characters of the string. This is because the path will invariably
begin with <code>"/view/"</code>, which is not part of the page title.
</p>
<p>
The function then loads the page data, formats the page with a string of simple
HTML, and writes it to <code>w</code>, the <code>http.ResponseWriter</code>.
</p>
<p>
Again, note the use of <code>_</code> to ignore the <code>os.Error</code>
return value from <code>loadPage</code>. This is done here for simplicity
and generally considered bad practice. We will attend to this later.
</p>
<p>
To use this handler, we create a <code>main</code> function that
initializes <code>http</code> using the <code>viewHandler</code> to handle
any requests under the path <code>/view/</code>.
</p>
<pre>
!srcextract.bin -src=part2.go -name=main
</pre>
<p>
<a href="part2.go">Click here to view the code we've written so far.</a>
</p>
<p>
Let's create some page data (as <code>test.txt</code>), compile our code, and
try serving a wiki page:
</p>
<pre>
$ echo "Hello world" &gt; test.txt
$ 8g wiki.go
$ 8l wiki.8
$ ./8.out
</pre>
<p>
With this web server running, a visit to <code><a
href="http://localhost:8080/view/test">http://localhost:8080/view/test</a></code>
should show a page titled "test" containing the words "Hello world".
</p>
<h2>Editing Pages</h2>
<p>
A wiki is not a wiki without the ability to edit pages. Let's create two new
handlers: one named <code>editHandler</code> to display an 'edit page' form,
and the other named <code>saveHandler</code> to save the data entered via the
form.
</p>
<p>
First, we add them to <code>main()</code>:
</p>
<pre>
!srcextract.bin -src=final-noclosure.go -name=main
</pre>
<p>
The function <code>editHandler</code> loads the page
(or, if it doesn't exist, create an empty <code>Page</code> struct),
and displays an HTML form.
</p>
<pre>
!srcextract.bin -src=notemplate.go -name=editHandler
</pre>
<p>
This function will work fine, but all that hard-coded HTML is ugly.
Of course, there is a better way.
</p>
<h2>The <code>template</code> package</h2>
<p>
The <code>template</code> package is part of the Go standard library.
(A new template package is coming; this code lab will be updated soon.)
We can
use <code>template</code> to keep the HTML in a separate file, allowing
us to change the layout of our edit page without modifying the underlying Go
code.
</p>
<p>
First, we must add <code>template</code> to the list of imports:
</p>
<pre>
import (
"http"
"io/ioutil"
"os"
<b>"template"</b>
)
</pre>
<p>
Let's create a template file containing the HTML form.
Open a new file named <code>edit.html</code>, and add the following lines:
</p>
<pre>
!htmlify.bin < edit.html
</pre>
<p>
Modify <code>editHandler</code> to use the template, instead of the hard-coded
HTML:
</p>
<pre>
!srcextract.bin -src=final-noerror.go -name=editHandler
</pre>
<p>
The function <code>template.ParseFile</code> will read the contents of
<code>edit.html</code> and return a <code>*template.Template</code>.
</p>
<p>
The method <code>t.Execute</code> executes the template, writing the
generated HTML to the <code>http.ResponseWriter</code>.
The <code>.Title</code> and <code>.Body</code> dotted identifiers refer to
<code>p.Title</code> and <code>p.Body</code>.
</p>
<p>
Template directives are enclosed in double curly braces.
The <code>printf "%s" .Body</code> instruction is a function call
that outputs <code>.Body</code> as a string instead of a stream of bytes,
the same as a call to <code>fmt.Printf</code>.
The <code>|html</code> part of each directive pipes the value through the
<code>html</code> formatter before outputting it, which escapes HTML
characters (such as replacing <code>&gt;</code> with <code>&amp;gt;</code>),
preventing user data from corrupting the form HTML.
</p>
<p>
Now that we've removed the <code>fmt.Fprintf</code> statement, we can remove
<code>"fmt"</code> from the <code>import</code> list.
</p>
<p>
While we're working with templates, let's create a template for our
<code>viewHandler</code> called <code>view.html</code>:
</p>
<pre>
!htmlify.bin < view.html
</pre>
<p>
Modify <code>viewHandler</code> accordingly:
</p>
<pre>
!srcextract.bin -src=final-noerror.go -name=viewHandler
</pre>
<p>
Notice that we've used almost exactly the same templating code in both
handlers. Let's remove this duplication by moving the templating code
to its own function:
</p>
<pre>
!srcextract.bin -src=final-template.go -name=viewHandler
!srcextract.bin -src=final-template.go -name=editHandler
!srcextract.bin -src=final-template.go -name=renderTemplate
</pre>
<p>
The handlers are now shorter and simpler.
</p>
<h2>Handling non-existent pages</h2>
<p>
What if you visit <code>/view/APageThatDoesntExist</code>? The program will
crash. This is because it ignores the error return value from
<code>loadPage</code>. Instead, if the requested Page doesn't exist, it should
redirect the client to the edit Page so the content may be created:
</p>
<pre>
!srcextract.bin -src=final-noclosure.go -name=viewHandler
</pre>
<p>
The <code>http.Redirect</code> function adds an HTTP status code of
<code>http.StatusFound</code> (302) and a <code>Location</code>
header to the HTTP response.
</p>
<h2>Saving Pages</h2>
<p>
The function <code>saveHandler</code> will handle the form submission.
</p>
<pre>
!srcextract.bin -src=final-template.go -name=saveHandler
</pre>
<p>
The page title (provided in the URL) and the form's only field,
<code>Body</code>, are stored in a new <code>Page</code>.
The <code>save()</code> method is then called to write the data to a file,
and the client is redirected to the <code>/view/</code> page.
</p>
<p>
The value returned by <code>FormValue</code> is of type <code>string</code>.
We must convert that value to <code>[]byte</code> before it will fit into
the <code>Page</code> struct. We use <code>[]byte(body)</code> to perform
the conversion.
</p>
<h2>Error handling</h2>
<p>
There are several places in our program where errors are being ignored. This
is bad practice, not least because when an error does occur the program will
crash. A better solution is to handle the errors and return an error message
to the user. That way if something does go wrong, the server will continue to
function and the user will be notified.
</p>
<p>
First, let's handle the errors in <code>renderTemplate</code>:
</p>
<pre>
!srcextract.bin -src=final-parsetemplate.go -name=renderTemplate
</pre>
<p>
The <code>http.Error</code> function sends a specified HTTP response code
(in this case "Internal Server Error") and error message.
Already the decision to put this in a separate function is paying off.
</p>
<p>
Now let's fix up <code>saveHandler</code>:
</p>
<pre>
!srcextract.bin -src=final-noclosure.go -name=saveHandler
</pre>
<p>
Any errors that occur during <code>p.save()</code> will be reported
to the user.
</p>
<h2>Template caching</h2>
<p>
There is an inefficiency in this code: <code>renderTemplate</code> calls
<code>ParseFile</code> every time a page is rendered.
A better approach would be to call <code>ParseFile</code> once for each
template at program initialization, and store the resultant
<code>*Template</code> values in a data structure for later use.
</p>
<p>
First we create a global map named <code>templates</code> in which to store
our <code>*Template</code> values, keyed by <code>string</code>
(the template name):
</p>
<pre>
!srcextract.bin -src=final.go -name=templates
</pre>
<p>
Then we create an <code>init</code> function, which will be called before
<code>main</code> at program initialization. The function
<code>template.Must</code> is a convenience wrapper that panics when passed a
non-nil <code>os.Error</code> value, and otherwise returns the
<code>*Template</code> unaltered. A panic is appropriate here; if the templates
can't be loaded the only sensible thing to do is exit the program.
</p>
<pre>
!srcextract.bin -src=final.go -name=init
</pre>
<p>
A <code>for</code> loop is used with a <code>range</code> statement to iterate
over an array constant containing the names of the templates we want parsed.
If we were to add more templates to our program, we would add their names to
that array.
</p>
<p>
We then modify our <code>renderTemplate</code> function to call
the <code>Execute</code> method on the appropriate <code>Template</code> from
<code>templates</code>:
<pre>
!srcextract.bin -src=final.go -name=renderTemplate
</pre>
<h2>Validation</h2>
<p>
As you may have observed, this program has a serious security flaw: a user
can supply an arbitrary path to be read/written on the server. To mitigate
this, we can write a function to validate the title with a regular expression.
</p>
<p>
First, add <code>"regexp"</code> to the <code>import</code> list.
Then we can create a global variable to store our validation regexp:
</p>
<pre>
!srcextract.bin -src=final-noclosure.go -name=titleValidator
</pre>
<p>
The function <code>regexp.MustCompile</code> will parse and compile the
regular expression, and return a <code>regexp.Regexp</code>.
<code>MustCompile</code> is distinct from <code>Compile</code> in that it will
panic if the expression compilation fails, while <code>Compile</code> returns
an <code>os.Error</code> as a second parameter.
</p>
<p>
Now, let's write a function that extracts the title string from the request
URL, and tests it against our <code>TitleValidator</code> expression:
</p>
<pre>
!srcextract.bin -src=final-noclosure.go -name=getTitle
</pre>
<p>
If the title is valid, it will be returned along with a <code>nil</code>
error value. If the title is invalid, the function will write a
"404 Not Found" error to the HTTP connection, and return an error to the
handler.
</p>
<p>
Let's put a call to <code>getTitle</code> in each of the handlers:
</p>
<pre>
!srcextract.bin -src=final-noclosure.go -name=viewHandler
!srcextract.bin -src=final-noclosure.go -name=editHandler
!srcextract.bin -src=final-noclosure.go -name=saveHandler
</pre>
<h2>Introducing Function Literals and Closures</h2>
<p>
Catching the error condition in each handler introduces a lot of repeated code.
What if we could wrap each of the handlers in a function that does this
validation and error checking? Go's
<a href="http://golang.org/doc/go_spec.html#Function_declarations">function
literals</a> provide a powerful means of abstracting functionality
that can help us here.
</p>
<p>
First, we re-write the function definition of each of the handlers to accept
a title string:
</p>
<pre>
func viewHandler(w http.ResponseWriter, r *http.Request, title string)
func editHandler(w http.ResponseWriter, r *http.Request, title string)
func saveHandler(w http.ResponseWriter, r *http.Request, title string)
</pre>
<p>
Now let's define a wrapper function that <i>takes a function of the above
type</i>, and returns a function of type <code>http.HandlerFunc</code>
(suitable to be passed to the function <code>http.HandleFunc</code>):
</p>
<pre>
func makeHandler(fn func (http.ResponseWriter, *http.Request, string)) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
// Here we will extract the page title from the Request,
// and call the provided handler 'fn'
}
}
</pre>
<p>
The returned function is called a closure because it encloses values defined
outside of it. In this case, the variable <code>fn</code> (the single argument
to <code>makeHandler</code>) is enclosed by the closure. The variable
<code>fn</code> will be one of our save, edit, or view handlers.
</p>
<p>
Now we can take the code from <code>getTitle</code> and use it here
(with some minor modifications):
</p>
<pre>
!srcextract.bin -src=final.go -name=makeHandler
</pre>
<p>
The closure returned by <code>makeHandler</code> is a function that takes
an <code>http.ResponseWriter</code> and <code>http.Request</code> (in other
words, an <code>http.HandlerFunc</code>).
The closure extracts the <code>title</code> from the request path, and
validates it with the <code>TitleValidator</code> regexp. If the
<code>title</code> is invalid, an error will be written to the
<code>ResponseWriter</code> using the <code>http.NotFound</code> function.
If the <code>title</code> is valid, the enclosed handler function
<code>fn</code> will be called with the <code>ResponseWriter</code>,
<code>Request</code>, and <code>title</code> as arguments.
</p>
<p>
Now we can wrap the handler functions with <code>makeHandler</code> in
<code>main</code>, before they are registered with the <code>http</code>
package:
</p>
<pre>
!srcextract.bin -src=final.go -name=main
</pre>
<p>
Finally we remove the calls to <code>getTitle</code> from the handler functions,
making them much simpler:
</p>
<pre>
!srcextract.bin -src=final.go -name=viewHandler
!srcextract.bin -src=final.go -name=editHandler
!srcextract.bin -src=final.go -name=saveHandler
</pre>
<h2>Try it out!</h2>
<p>
<a href="final.go">Click here to view the final code listing.</a>
</p>
<p>
Recompile the code, and run the app:
</p>
<pre>
$ 8g wiki.go
$ 8l wiki.8
$ ./8.out
</pre>
<p>
Visiting <a href="http://localhost:8080/view/ANewPage">http://localhost:8080/view/ANewPage</a>
should present you with the page edit form. You should then be able to
enter some text, click 'Save', and be redirected to the newly created page.
</p>
<h2>Other tasks</h2>
<p>
Here are some simple tasks you might want to tackle on your own:
</p>
<ul>
<li>Store templates in <code>tmpl/</code> and page data in <code>data/</code>.
<li>Add a handler to make the web root redirect to
<code>/view/FrontPage</code>.</li>
<li>Spruce up the page templates by making them valid HTML and adding some
CSS rules.</li>
<li>Implement inter-page linking by converting instances of
<code>[PageName]</code> to <br>
<code>&lt;a href="/view/PageName"&gt;PageName&lt;/a&gt;</code>.
(hint: you could use <code>regexp.ReplaceAllFunc</code> to do this)
</li>
</ul>

113
doc/codereview_with_mq.html Normal file
View File

@@ -0,0 +1,113 @@
<!-- Using Mercurial Queues with Codereview -->
<h2 id="Introduction">Introduction</h2>
<p>
The Mercurial Queues extension (<code>mq</code>) provides a mechanism for
managing patches on top of a Mercurial repository and is described in detail
in Chapters
<a href="http://hgbook.red-bean.com/read/managing-change-with-mercurial-queues.html">12</a>
and <a href="http://hgbook.red-bean.com/read/advanced-uses-of-mercurial-queues.html">13</a>
of <a href="http://hgbook.red-bean.com/read/">Mercurial: The Definitive Guide</a>.
This document explains how to use <code>mq</code> in conjunction
with the <code>codereview</code> Mercurial extension described in the
instructions for <a href="contribute.html">contributing to the Go project</a>.
It assumes you have read those instructions.
</p>
<h2>Configuration</h2>
<p>
To enable <code>mq</code> edit either <code>$HOME/.hgrc</code> (to enable it
for all of your repositories) or <code>$GOROOT/.hg/hgrc</code> (to enable it for the
repository at <code>$GOROOT</code>) to add:</p>
<pre>
[extensions]
mq=
</pre>
<p>
Since pulling, pushing, updating and committing while <code>mq</code> patches
are applied can damage your repository or a remote one, add these lines to
prevent that case:
</p>
<pre>
[hooks]
# Prevent "hg pull" if MQ patches are applied.
prechangegroup.mq-no-pull = ! hg qtop > /dev/null 2>&amp;1
# Prevent "hg push" if MQ patches are applied.
preoutgoing.mq-no-push = ! hg qtop > /dev/null 2>&amp;1
# Prevent "hg update" if MQ patches are applied.
preupdate.mq-no-update = ! hg qtop > /dev/null 2>&amp;1
</pre>
<h2>Making a change</h2>
<p>
The entire checked-out tree is writable and you can use <code>mq</code>,
as documented in Chapter
<a href="http://hgbook.red-bean.com/read/managing-change-with-mercurial-queues.html">12</a>
of "The Guide",
to implement your change as a single patch or a series of patches.
</p>
<p>When you are ready to send a change out for review, run</p>
<pre>
$ hg change
</pre>
<p>from any directory in your Go repository with all of the <code>mq</code> patches relevant to your
change applied and then proceed as instructed in <a href="contribute.html">contributing
to the Go project</a>.
</p>
<p>
The change number reported by <code>hg change</code>, preceded by a <code>+</code>,
can be used as an <code>mq</code> patch guard to assist in controlling which patches
are applied as described in Chapter
<a href="http://hgbook.red-bean.com/read/advanced-uses-of-mercurial-queues.html">13</a>
of "The Guide".
For example, the command:
</p>
<pre>
for p in $(hg qapplied); do hg qguard $p +99999; done
</pre>
<p>
will apply the guard <code>+99999</code> guard to all currently applied <code>mq</code>
patches.
</p>
<h2>Synchronizing your client</h2>
<p>While you were working, others might have submitted changes
to the repository and, as explained in <a href="contribute.html">contributing
to the Go project</a>, it is necessary to synchronize your repository using
<code>hg sync</code>before sending your change list for review.
Because <code>hg sync</code> runs <code>hg pull -u</code>,
you should not run <code>hg sync</code> while <code>mq</code> patches are
applied. Instead
pop all your patches before running <code>hg sync</code> and reapply them after
it has completed.
</p>
<p>
When reapplying the patches, you may need to resolve conflicts
as described in <a href="contribute.html">contributing to the Go project</a>.
</p>
<h2>Mailing the change for review</h2>
<p>
You should have all of the <code>mq</code> patches relevant to your
change applied when you run <code>hg mail</code>.
<h2>Submitting the change after the review</h2>
If you are a committer, you should have all of the <code>mq</code> patches relevant to your
change applied when you run <code>hg commit</code>.

View File

@@ -1,4 +1,4 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
@@ -296,8 +296,8 @@ CodewalkViewer.prototype.updateHeight = function() {
this.sizer.height(codeHeight);
};
window.initFuncs.push(function() {
var viewer = new CodewalkViewer(jQuery('#codewalk-main'));
jQuery(document).ready(function() {
var viewer = new CodewalkViewer(jQuery());
viewer.selectFirstComment();
viewer.targetCommentLinksAtBlank();
viewer.installEventHandlers();

View File

@@ -42,7 +42,7 @@
its <code>src</code> is just a file name.
</step>
<step title="Specifying a source line" src='doc/codewalk/codewalk.xml:/title="Title"/'>
<step title="Specifiying a source line" src='doc/codewalk/codewalk.xml:/title="Title"/'>
The most complex part of the codewalk specification is
saying what lines to highlight.
Instead of ordinary line numbers,
@@ -91,7 +91,7 @@
The full address syntax is summarized in this table
(an excerpt of Table II from
<a href="https://9p.io/sys/doc/sam/sam.html">The text editor <code>sam</code></a>):
<a href="http://plan9.bell-labs.com/sys/doc/sam/sam.html">The text editor <code>sam</code></a>):
<br/><br/>
<table>

View File

@@ -45,7 +45,7 @@
turn.
</step>
<step title="Multiple return values" src="doc/codewalk/pig.go:/\/\/ roll returns/,/true\n}/">
<step title="Multiple return values" src="doc/codewalk/pig.go:/\/\/ roll returns/,/stay.*true\n}/">
Go functions can return multiple values.
<br/><br/>
@@ -82,6 +82,16 @@
associated with the current player.
</step>
<step title="Comparing functions" src="doc/codewalk/pig.go:/if action/,/currentPlayer\)\)\n\t\t}/">
Functions can be compared for equality in Go. From the
<a href="http://golang.org/doc/go_spec.html#Comparison_operators">language specification</a>:
Function values are equal if they refer to the same function or if both are <code>nil</code>.
<br/><br/>
We enforce that a <code>strategy</code> function can only return a legal
<code>action</code>: either <code>roll</code> or <code>stay</code>.
</step>
<step title="Simulating a tournament" src="doc/codewalk/pig.go:/\/\/ roundRobin/,/gamesPerStrategy\n}/">
The <code>roundRobin</code> function simulates a tournament and tallies wins.
Each strategy plays each other strategy <code>gamesPerSeries</code> times.

View File

@@ -1,4 +1,4 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
@@ -50,8 +50,8 @@ import (
"flag"
"fmt"
"io"
"math/rand"
"os"
"rand"
"strings"
"time"
)
@@ -120,8 +120,8 @@ func main() {
numWords := flag.Int("words", 100, "maximum number of words to print")
prefixLen := flag.Int("prefix", 2, "prefix length in words")
flag.Parse() // Parse command-line flags.
rand.Seed(time.Now().UnixNano()) // Seed the random number generator.
flag.Parse() // Parse command-line flags.
rand.Seed(time.Nanoseconds()) // Seed the random number generator.
c := NewChain(*prefixLen) // Initialize a new Chain.
c.Build(os.Stdin) // Build chains from standard input.

View File

@@ -1,5 +1,5 @@
<!--
Copyright 2011 The Go Authors. All rights reserved.
Copyright 2011 The Go Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
-->
@@ -58,7 +58,7 @@ Prefix Map key
this data.
</step>
<step title="The NewChain constructor function" src="doc/codewalk/markov.go:/func New/,/\n}/">
<step title="The NewChain constructor function" src="doc/codewalk/markov.go:/func New/,/}/">
The <code>Chain</code> struct has two unexported fields (those that
do not begin with an upper case character), and so we write a
<code>NewChain</code> constructor function that initializes the
@@ -105,7 +105,7 @@ Prefix Map key
reads space-separated values from an <code>io.Reader</code>.
<br/><br/>
The <code>Build</code> method returns once the <code>Reader</code>'s
<code>Read</code> method returns <code>io.EOF</code> (end of file)
<code>Read</code> method returns <code>os.EOF</code> (end of file)
or some other read error occurs.
</step>
@@ -133,7 +133,7 @@ Prefix Map key
(including punctuation), which is exactly what we need.
<br/><br/>
<code>Fscan</code> returns an error if it encounters a read error
(<code>io.EOF</code>, for example) or if it can't scan the requested
(<code>os.EOF</code>, for example) or if it can't scan the requested
value (in our case, a single string). In either case we just want to
stop scanning, so we <code>break</code> out of the loop.
</step>
@@ -155,7 +155,7 @@ Prefix Map key
<br/><br/>
For more information about the <code>append</code> function and slices
in general see the
<a href="/doc/articles/slices_usage_and_internals.html">Slices: usage and internals</a> article.
<a href="http://blog.golang.org/2011/01/go-slices-usage-and-internals.html">Slices: usage and internals</a> article.
</step>
<step title="Pushing the suffix onto the prefix" src="doc/codewalk/markov.go:/p\.Shift/">
@@ -181,7 +181,7 @@ p == Prefix{"am", "not"}</pre>
one index to the left (if you consider zero as the leftmost index).
<pre>
p := Prefix{"I", "am"}
copy(p, p[1:])
copy(p, p[:1])
// p == Prefix{"am", "am"}</pre>
We then assign the provided <code>word</code> to the last index
of the slice:
@@ -215,7 +215,7 @@ p[len(p)-1] = suffix
<step title="Choosing a suffix at random" src="doc/codewalk/markov.go:/next := choices/,/Shift/">
To choose a suffix we use the
<code><a href="/pkg/math/rand/#Intn">rand.Intn</a></code> function.
<code><a href="/pkg/rand/#Intn">rand.Intn</a></code> function.
It returns a random integer up to (but not including) the provided
value. Passing in <code>len(choices)</code> gives us a random index
into the full length of the list.
@@ -275,23 +275,24 @@ p[len(p)-1] = suffix
</step>
<step title="Using this program" src="doc/codewalk/markov.go">
To use this program, first build it with the
<a href="/cmd/go/">go</a> command:
To use this program, first compile and link it.
If you are using <code>6g</code> as your compiler, the command
would look something like this:
<pre>
$ go build markov.go</pre>
$ 6g markov.go &amp;&amp; 6l -o markov markov.6</pre>
And then execute it while piping in some input text:
<pre>
$ echo "a man a plan a canal panama" \
| ./markov -prefix=1
a plan a man a plan a canal panama</pre>
$ echo "a man a plan a canal panama" | ./markov -prefix=1
a plan a man a plan a canal panama
</pre>
Here's a transcript of generating some text using the Go distribution's
README file as source material:
<pre>
$ ./markov -words=10 &lt; $GOROOT/README
$ ./markov -words=10 &lt $GOROOT/go/README
This is the source code repository for the Go source
$ ./markov -prefix=1 -words=10 &lt; $GOROOT/README
$ ./markov -prefix=1 -words=10 &lt $GOROOT/go/README
This is the go directory (the one containing this README).
$ ./markov -prefix=1 -words=10 &lt; $GOROOT/README
$ ./markov -prefix=1 -words=10 &lt $GOROOT/go/README
This is the variable if you have just untarred a</pre>
</step>

View File

@@ -6,7 +6,7 @@ package main
import (
"fmt"
"math/rand"
"rand"
)
const (
@@ -23,7 +23,7 @@ type score struct {
// An action transitions stochastically to a resulting score.
type action func(current score) (result score, turnIsOver bool)
// roll returns the (result, turnIsOver) outcome of simulating a die roll.
// roll returns the (result, turnIsOver) outcome of simulating a die roll.
// If the roll value is 1, then thisTurn score is abandoned, and the players'
// roles swap. Otherwise, the roll value is added to thisTurn.
func roll(s score) (score, bool) {
@@ -61,6 +61,9 @@ func play(strategy0, strategy1 strategy) int {
currentPlayer := rand.Intn(2) // Randomly decide who plays first
for s.player+s.thisTurn < win {
action := strategies[currentPlayer](s)
if action != roll && action != stay {
panic(fmt.Sprintf("Player %d is cheating", currentPlayer))
}
s, turnIsOver = action(s)
if turnIsOver {
currentPlayer = (currentPlayer + 1) % 2

View File

@@ -1,21 +0,0 @@
#!/usr/bin/env bash
# Copyright 2013 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
set -e
function fail {
echo FAIL: doc/codewalk/$1
exit 1
}
# markov.xml
echo foo | go run markov.go | grep foo > /dev/null || fail markov
# functions.xml
go run pig.go | grep 'Wins, losses staying at k = 100: 210/990 (21.2%), 780/990 (78.8%)' > /dev/null || fail pig
# sharemem.xml: only build the example, as it uses the network
go build urlpoll.go || fail urlpoll
rm -f urlpoll

View File

@@ -65,7 +65,7 @@ and then loops passing completed Resources back to the pending
channel after appropriate delays.
</step>
<step title="Creating channels" src="doc/codewalk/urlpoll.go:/Create our/,/complete/">
<step title="Creating channels" src="doc/codewalk/urlpoll.go:/create our/,/complete/">
First, main makes two channels of *Resource, pending and complete.
<br/><br/>
Inside main, a new goroutine sends one Resource per URL to pending
@@ -75,7 +75,7 @@ The pending and complete channels are passed to each of the Poller
goroutines, within which they are known as in and out.
</step>
<step title="Initializing StateMonitor" src="doc/codewalk/urlpoll.go:/Launch the StateMonitor/,/statusInterval/">
<step title="Initializing StateMonitor" src="doc/codewalk/urlpoll.go:/launch the StateMonitor/,/statusInterval/">
StateMonitor will initialize and launch a goroutine that stores the state
of each Resource. We will look at this function in detail later.
<br/><br/>
@@ -83,14 +83,14 @@ For now, the important thing to note is that it returns a channel of State,
which is saved as status and passed to the Poller goroutines.
</step>
<step title="Launching Poller goroutines" src="doc/codewalk/urlpoll.go:/Launch some Poller/,/}/">
<step title="Launching Poller goroutines" src="doc/codewalk/urlpoll.go:/launch some Poller/,/}/">
Now that it has the necessary channels, main launches a number of
Poller goroutines, passing the channels as arguments.
The channels provide the means of communication between the main, Poller, and
StateMonitor goroutines.
</step>
<step title="Send Resources to pending" src="doc/codewalk/urlpoll.go:/Send some Resources/,/}\(\)/">
<step title="Send Resources to pending" src="doc/codewalk/urlpoll.go:/send some Resources/,/}\(\)/">
To add the initial work to the system, main starts a new goroutine
that allocates and sends one Resource per URL to pending.
<br/><br/>
@@ -171,7 +171,7 @@ and/or writes to a shared map.
<step title="Conclusion" src="doc/codewalk/urlpoll.go">
In this codewalk we have explored a simple example of using Go's concurrency
primitives to share memory through communication.
primitives to share memory through commmunication.
<br/><br/>
This should provide a starting point from which to explore the ways in which
goroutines and channels can be used to write expressive and concise concurrent

View File

@@ -5,16 +5,17 @@
package main
import (
"http"
"log"
"net/http"
"time"
)
const (
numPollers = 2 // number of Poller goroutines to launch
pollInterval = 60 * time.Second // how often to poll each URL
statusInterval = 10 * time.Second // how often to log status to stdout
errTimeout = 10 * time.Second // back-off timeout on error
numPollers = 2 // number of Poller goroutines to launch
second = 1e9 // one second is 1e9 nanoseconds
pollInterval = 60 * second // how often to poll each URL
statusInterval = 10 * second // how often to log status to stdout
errTimeout = 10 * second // back-off timeout on error
)
var urls = []string{
@@ -32,7 +33,7 @@ type State struct {
// StateMonitor maintains a map that stores the state of the URLs being
// polled, and prints the current state every updateInterval nanoseconds.
// It returns a chan State to which resource state should be sent.
func StateMonitor(updateInterval time.Duration) chan<- State {
func StateMonitor(updateInterval int64) chan<- State {
updates := make(chan State)
urlStatus := make(map[string]string)
ticker := time.NewTicker(updateInterval)
@@ -60,7 +61,7 @@ func logState(s map[string]string) {
// Resource represents an HTTP URL to be polled by this program.
type Resource struct {
url string
errCount int
errCount int64
}
// Poll executes an HTTP HEAD request for url
@@ -70,16 +71,16 @@ func (r *Resource) Poll() string {
if err != nil {
log.Println("Error", r.url, err)
r.errCount++
return err.Error()
return err.String()
}
r.errCount = 0
return resp.Status
}
// Sleep sleeps for an appropriate interval (dependent on error state)
// Sleep sleeps for an appropriate interval (dependant on error state)
// before sending the Resource to done.
func (r *Resource) Sleep(done chan<- *Resource) {
time.Sleep(pollInterval + errTimeout*time.Duration(r.errCount))
func (r *Resource) Sleep(done chan *Resource) {
time.Sleep(pollInterval + errTimeout*r.errCount)
done <- r
}
@@ -92,18 +93,18 @@ func Poller(in <-chan *Resource, out chan<- *Resource, status chan<- State) {
}
func main() {
// Create our input and output channels.
// create our input and output channels
pending, complete := make(chan *Resource), make(chan *Resource)
// Launch the StateMonitor.
// launch the StateMonitor
status := StateMonitor(statusInterval)
// Launch some Poller goroutines.
// launch some Poller goroutines
for i := 0; i < numPollers; i++ {
go Poller(pending, complete, status)
}
// Send some Resources to the pending queue.
// send some Resources to the pending queue
go func() {
for _, url := range urls {
pending <- &Resource{url: url}

53
doc/community.html Normal file
View File

@@ -0,0 +1,53 @@
<!-- title Community -->
<div class="left-column">
<h2 id="developer_info">The Go Community</h2>
<h3 id="mailinglist"><a href="http://groups.google.com/group/golang-nuts">Go Nuts Mailing List</a></h3>
<p>The <a href="http://groups.google.com/group/golang-nuts">golang-nuts</a>
mailing list is for general Go discussion.</p>
<h3 id=""><a href="http://godashboard.appspot.com/package">Go Packages Dashboard</a></h3>
<p>A list of the most popular <a href="/cmd/goinstall/">goinstall</a>'d
Go libraries.</p>
<h3 id=""><a href="http://godashboard.appspot.com/project">Go Project Dashboard</a></h3>
<p>A list of external Go projects including programs and libraries.</p>
<h3 id="irc"><a href="irc:irc.freenode.net/go-nuts">Go IRC Channel</a></h3>
<p><b>#go-nuts</b> on <b>irc.freenode.net</b> is the official Go IRC channel.</p>
<h3 id="twitter"><a href="http://twitter.com/go_nuts">@go_nuts at Twitter</a></h3>
<p>The Go project's official Twitter account.</p>
</div>
<div class="right-column">
<h2 id="blogs">Blogs</h2>
<h3 id="blog_go"><a href="http://blog.golang.org/">The Go Blog</a></h3>
<p>
The Go project's official blog, maintained by the core Go developers.
</p>
<h3 id="blog_rsc"><a href="http://research.swtch.com/search/label/Go">research!rsc</a></h3>
<p>
Posts labelled 'Go' by Russ Cox, one of the core Go developers.
</p>
<h3 id="blog_iant"><a href="http://www.airs.com/blog/archives/category/programming">Airs</a></h3>
<p>
Posts labelled 'Programming' by Ian Lance Taylor, one of the core Go developers.
</p>
<h3 id="blog_adg"><a href="http://nf.id.au/tag/go">nf.id.au</a></h3>
<p>
Posts labelled 'Go' by Andrew Gerrand, one of the core Go developers.
</p>
</div>
<div class="end-columns"></div>

View File

@@ -1,260 +0,0 @@
<!--{
"Title": "Go Community Code of Conduct",
"Path": "/conduct",
"Template": true
}-->
<style>
ul {
max-width: 800px;
}
ul ul {
margin: 0 0 5px;
}
</style>
<h2 id="about">About the Code of Conduct</h2>
<h3 id="why">Why have a Code of Conduct?</h3>
<p>
Online communities include people from many different backgrounds.
The Go contributors are committed to providing a friendly, safe and welcoming
environment for all, regardless of age, disability, gender, nationality,
ethnicity, religion, sexuality, or similar personal characteristic.
</p>
<p>
The first goal of the Code of Conduct is to specify a baseline standard
of behavior so that people with different social values and communication
styles can talk about Go effectively, productively, and respectfully.
</p>
<p>
The second goal is to provide a mechanism for resolving conflicts in the
community when they arise.
</p>
<p>
The third goal of the Code of Conduct is to make our community welcoming to
people from different backgrounds.
Diversity is critical to the project; for Go to be successful, it needs
contributors and users from all backgrounds.
(See <a href="https://blog.golang.org/open-source">Go, Open Source, Community</a>.)
</p>
<p>
With that said, a healthy community must allow for disagreement and debate.
The Code of Conduct is not a mechanism for people to silence others with whom
they disagree.
</p>
<h3 id="spaces">Where does the Code of Conduct apply?</h3>
<p>
If you participate in or contribute to the Go ecosystem in any way,
you are encouraged to follow the Code of Conduct while doing so.
</p>
<p>
Explicit enforcement of the Code of Conduct applies to the
official forums operated by the Go project (“Go spaces”):
</p>
<ul>
<li>The official <a href="https://github.com/golang/">GitHub projects</a>
and <a href="https://go-review.googlesource.com/">code reviews</a>.
<li>The <a href="https://groups.google.com/group/golang-nuts">golang-nuts</a> and
<a href="https://groups.google.com/group/golang-dev">golang-dev</a> mailing lists.
<li>The #go-nuts IRC channel on Freenode.
</ul>
<p>
Other Go groups (such as conferences, meetups, and other unofficial forums) are
encouraged to adopt this Code of Conduct. Those groups must provide their own
moderators and/or working group (see below).
</p>
<h2 id="values">Gopher values</h2>
<p>
These are the values to which people in the Go community (“Gophers”) should aspire.
</p>
<ul>
<li>Be friendly and welcoming
<li>Be patient
<ul>
<li>Remember that people have varying communication styles and that not
everyone is using their native language.
(Meaning and tone can be lost in translation.)
</ul>
<li>Be thoughtful
<ul>
<li>Productive communication requires effort.
Think about how your words will be interpreted.
<li>Remember that sometimes it is best to refrain entirely from commenting.
</ul>
<li>Be respectful
<ul>
<li>In particular, respect differences of opinion.
</ul>
<li>Be charitable
<ul>
<li>Interpret the arguments of others in good faith, do not seek to disagree.
<li>When we do disagree, try to understand why.
</ul>
<li>Avoid destructive behavior:
<ul>
<li>Derailing: stay on topic; if you want to talk about something else,
start a new conversation.
<li>Unconstructive criticism: don't merely decry the current state of affairs;
offer—or at least solicit—suggestions as to how things may be improved.
<li>Snarking (pithy, unproductive, sniping comments)
<li>Discussing potentially offensive or sensitive issues;
this all too often leads to unnecessary conflict.
<li>Microaggressions: brief and commonplace verbal, behavioral and
environmental indignities that communicate hostile, derogatory or negative
slights and insults to a person or group.
</ul>
</ul>
<p>
People are complicated.
You should expect to be misunderstood and to misunderstand others;
when this inevitably occurs, resist the urge to be defensive or assign blame.
Try not to take offense where no offense was intended.
Give people the benefit of the doubt.
Even if the intent was to provoke, do not rise to it.
It is the responsibility of <i>all parties</i> to de-escalate conflict when it arises.
</p>
<h2 id="unwelcome_behavior">Unwelcome behavior</h2>
<p>
These actions are explicitly forbidden in Go spaces:
</p>
<ul>
<li>Insulting, demeaning, hateful, or threatening remarks.
<li>Discrimination based on age, disability, gender, nationality, race,
religion, sexuality, or similar personal characteristic.
<li>Bullying or systematic harassment.
<li>Unwelcome sexual advances.
<li>Incitement to any of these.
</ul>
<h2 id="moderation">Moderation</h2>
<p>
The Go spaces are not free speech venues; they are for discussion about Go.
Each of these spaces have their own moderators.
</p>
<p>
When using the official Go spaces you should act in the spirit of the “Gopher
values”.
If a reported conflict cannot be resolved amicably, the CoC Working Group
may make a recommendation to the relevant forum moderators.
</p>
<p>
CoC Working Group members and forum moderators are held to a higher standard than other community members.
If a working group member or moderator creates an inappropriate situation, they
should expect less leeway than others, and should expect to be removed from
their position if they cannot adhere to the CoC.
</p>
<p>
Complaints about working group member or moderator actions must be handled
using the reporting process below.
</p>
<h2 id="reporting">Reporting issues</h2>
<p>
The Code of Conduct Working Group is a group of people that represent the Go
community. They are responsible for handling conduct-related issues.
Their purpose is to de-escalate conflicts and try to resolve issues to the
satisfaction of all parties. They are:
</p>
<ul>
<li>Aditya Mukerjee &lt;dev@chimeracoder.net&gt;
<li>Andrew Gerrand &lt;adg@golang.org&gt;
<li>Peggy Li &lt;peggyli.224@gmail.com&gt;
<li>Sarah Adams &lt;sadams.codes@gmail.com&gt;
<li>Steve Francia &lt;steve.francia@gmail.com&gt;
<li>Verónica López &lt;gveronicalg@gmail.com&gt;
</ul>
<p>
If you encounter a conduct-related issue, you should report it to the
Working Group using the process described below.
<b>Do not</b> post about the issue publicly or try to rally sentiment against a
particular individual or group.
</p>
<ul>
<li>Mail <a href="mailto:conduct@golang.org">conduct@golang.org</a>.
<ul>
<li>Your message will reach the Working Group.
<li>Reports are confidential within the Working Group.
<li>You may contact a member of the group directly if you do not feel
comfortable contacting the group as a whole. That member will then raise
the issue with the Working Group as a whole, preserving the privacy of the
reporter (if desired).
<li>If your report concerns a member of the Working Group they will be recused
from Working Group discussions of the report.
<li>The Working Group will strive to handle reports with discretion and
sensitivity, to protect the privacy of the involved parties,
and to avoid conflicts of interest.
</ul>
<li>You should receive a response within 48 hours (likely sooner).
(Should you choose to contact a single Working Group member,
it may take longer to receive a response.)
<li>The Working Group will meet to review the incident and determine what happened.
<ul>
<li>With the permission of person reporting the incident, the Working Group
may reach out to other community members for more context.
</ul>
<li>The Working Group will reach a decision as to how to act. These may include:
<ul>
<li>Nothing.
<li>Passing the report along to the offender.
<li>A recommendation of action to the relevant forum moderators.
</ul>
<li>The Working Group will reach out to the original reporter to let them know
the decision.
<li>Appeals to the decision may be made to the Working Group,
or to any of its members directly.
</ul>
<p>
<b>Note that the goal of the Code of Conduct and the Working Group is to resolve
conflicts in the most harmonious way possible.</b>
We hope that in most cases issues may be resolved through polite discussion and
mutual agreement.
</p>
<p>
Changes to the Code of Conduct (including to the members of the Working Group)
should be proposed using the
<a href="https://golang.org/s/proposal-process">change proposal process</a>.
</p>
<h2 id="summary">Summary</h2>
<ul>
<li>Treat everyone with respect and kindness.
<li>Be thoughtful in how you communicate.
<li>Dont be destructive or inflammatory.
<li>If you encounter an issue, please mail <a href="mailto:conduct@golang.org">conduct@golang.org</a>.
</ul>
<h3 id="acknowledgements">Acknowledgements</h3>
<p>
Parts of this document were derived from the Code of Conduct documents of the
Django, FreeBSD, and Rust projects.
</p>

View File

@@ -1,89 +1,16 @@
<!--{
"Title": "The Go Project",
"Path": "/project/"
}-->
<img class="gopher" src="/doc/gopher/project.png" />
<div id="manual-nav"></div>
<p>
Go is an open source project developed by a team at
<a href="//google.com/">Google</a> and many
<a href="/CONTRIBUTORS">contributors</a> from the open source community.
</p>
<p>
Go is distributed under a <a href="/LICENSE">BSD-style license</a>.
</p>
<h3 id="announce"><a href="//groups.google.com/group/golang-announce">Announcements Mailing List</a></h3>
<p>
A low traffic mailing list for important announcements, such as new releases.
</p>
<p>
We encourage all Go users to subscribe to
<a href="//groups.google.com/group/golang-announce">golang-announce</a>.
</p>
<h2 id="go1">Version history</h2>
<h3 id="release"><a href="/doc/devel/release.html">Release History</a></h3>
<p>A <a href="/doc/devel/release.html">summary</a> of the changes between Go releases. Notes for the major releases:</p>
<ul>
<li><a href="/doc/go1.8">Go 1.8</a> <small>(February 2017)</small></li>
<li><a href="/doc/go1.7">Go 1.7</a> <small>(August 2016)</small></li>
<li><a href="/doc/go1.6">Go 1.6</a> <small>(February 2016)</small></li>
<li><a href="/doc/go1.5">Go 1.5</a> <small>(August 2015)</small></li>
<li><a href="/doc/go1.4">Go 1.4</a> <small>(December 2014)</small></li>
<li><a href="/doc/go1.3">Go 1.3</a> <small>(June 2014)</small></li>
<li><a href="/doc/go1.2">Go 1.2</a> <small>(December 2013)</small></li>
<li><a href="/doc/go1.1">Go 1.1</a> <small>(May 2013)</small></li>
<li><a href="/doc/go1">Go 1</a> <small>(March 2012)</small></li>
</ul>
<h3 id="go1compat"><a href="/doc/go1compat">Go 1 and the Future of Go Programs</a></h3>
<p>
What Go 1 defines and the backwards-compatibility guarantees one can expect as
Go 1 matures.
</p>
<h2 id="resources">Developer Resources</h2>
<h3 id="source"><a href="https://golang.org/change">Source Code</a></h3>
<p>Check out the Go source code.</p>
<h3 id="golang-dev"><a href="https://groups.google.com/group/golang-dev">Developer</a> and
<a href="https://groups.google.com/group/golang-codereviews">Code Review Mailing List</a></h3>
<p>The <a href="https://groups.google.com/group/golang-dev">golang-dev</a>
mailing list is for discussing code changes to the Go project.
The <a href="https://groups.google.com/group/golang-codereviews">golang-codereviews</a>
mailing list is for actual reviewing of the code changes (CLs).</p>
<p>For general discussion of Go programming, see <a
href="https://groups.google.com/group/golang-nuts">golang-nuts</a>.</p>
<h3 id="golang-checkins"><a href="https://groups.google.com/group/golang-checkins">Checkins Mailing List</a></h3>
<p>A mailing list that receives a message summarizing each checkin to the Go repository.</p>
<h3 id="build_status"><a href="//build.golang.org/">Build Status</a></h3>
<p>View the status of Go builds across the supported operating
systems and architectures.</p>
<!-- title Contributing -->
<div class="left-column">
<h2 id="howto">How you can help</h2>
<h3><a href="//golang.org/issue">Reporting issues</a></h3>
<h3><a href="http://code.google.com/p/go/issues">Reporting issues</a></h3>
<p>
If you spot bugs, mistakes, or inconsistencies in the Go project's code or
documentation, please let us know by
<a href="//golang.org/issue/new">filing a ticket</a>
on our <a href="//golang.org/issue">issue tracker</a>.
<a href="http://code.google.com/p/go/issues/entry">filing a ticket</a>
on our <a href="http://code.google.com/p/go/issues">issue tracker</a>.
(Of course, you should check it's not an existing issue before creating
a new one.)
</p>
@@ -92,30 +19,51 @@ a new one.)
We pride ourselves on being meticulous; no issue is too small.
</p>
<p>
Security-related issues should be reported to
<a href="mailto:security@golang.org">security@golang.org</a>.<br>
See the <a href="/security">security policy</a> for more details.
</p>
<p>
Community-related issues should be reported to
<a href="mailto:conduct@golang.org">conduct@golang.org</a>.<br>
See the <a href="/conduct">Code of Conduct</a> for more details.
</p>
<h3><a href="/doc/contribute.html">Contributing code</a></h3>
<h3><a href="contribute.html">Contributing code</a></h3>
<p>
Go is an open source project and we welcome contributions from the community.
</p>
<p>
To get started, read these <a href="/doc/contribute.html">contribution
To get started, read these <a href="contribute.html">contribution
guidelines</a> for information on design, testing, and our code review process.
</p>
<p>
Check <a href="//golang.org/issue">the tracker</a> for
Check <a href="http://code.google.com/p/go/issues">the tracker</a> for
open issues that interest you. Those labeled
<a href="https://github.com/golang/go/issues?q=is%3Aopen+is%3Aissue+label%3Ahelpwanted">helpwanted</a>
<a href="http://code.google.com/p/go/issues/list?q=status=HelpWanted">HelpWanted</a>
are particularly in need of outside help.
</p>
</div>
<div class="right-column">
<h2 id="the_go_project">The Go Project</h2>
<h3 id="build_status"><a href="http://godashboard.appspot.com/">Build Status</a></h3>
<p>View the status of Go builds across the supported operating
systems and architectures.</p>
<h3 id="roadmap"><a href="devel/roadmap.html">Roadmap</a></h3>
<p>Features and ideas being developed or discussed by the Go team.</p>
<h3 id="release"><a href="devel/release.html">Release History</a></h3>
<p>A summary of the changes between Go releases.</p>
<h3 id="release"><a href="devel/weekly.html">Weekly Snapshot History</a></h3>
<p>A summary of the changes between weekly snapshots of Go.</p>
<h3 id="golang-dev"><a href="http://groups.google.com/group/golang-dev">Developer Mailing List</a></h3>
<p>The <a href="http://groups.google.com/group/golang-dev">golang-dev</a>
mailing list is for discussing and reviewing code for the Go project.</p>
<p>For general discussion of Go programming, see <a
href="http://groups.google.com/group/golang-nuts">golang-nuts</a>.</p>
<h3 id="golang-checkins"><a href="http://groups.google.com/group/golang-checkins">Checkins Mailing List</a></h3>
<p>A mailing list that receives a message summarizing each checkin to the Go repository.</p>
</div>
<div class="end-columns"></div>

File diff suppressed because it is too large Load Diff

View File

@@ -1,68 +1,31 @@
<!--{
"Title": "Debugging Go Code with GDB",
"Path": "/doc/gdb"
}-->
<!-- title Debugging Go Code with GDB -->
<p><i>
This applies to the standard toolchain (the <code>gc</code> Go
compiler and tools). Gccgo has native gdb support.
Besides this overview you might want to consult the
This applies to the 6g toolchain. Gccgo has native gdb support. Besides this
overview you might want to consult the
<a href="http://sourceware.org/gdb/current/onlinedocs/gdb/">GDB manual</a>.
</i></p>
<p>
GDB does not understand Go programs well.
The stack management, threading, and runtime contain aspects that differ
enough from the execution model GDB expects that they can confuse
the debugger, even when the program is compiled with gccgo.
As a consequence, although GDB can be useful in some situations, it is
not a reliable debugger for Go programs, particularly heavily concurrent ones.
Moreover, it is not a priority for the Go project to address these issues, which
are difficult.
In short, the instructions below should be taken only as a guide to how
to use GDB when it works, not as a guarantee of success.
</p>
<p>
In time, a more Go-centric debugging architecture may be required.
</p>
<h2 id="Introduction">Introduction</h2>
<p>
When you compile and link your Go programs with the <code>gc</code> toolchain
on Linux, Mac OS X, FreeBSD or NetBSD, the resulting binaries contain DWARFv3
debugging information that recent versions (&gt;7.1) of the GDB debugger can
When you compile and link your Go programs with the 6g/6l or 8g/8l toolchains
on Linux, Mac OSX or FreeBSD, the resulting binaries contain DWARFv3
debugging information that recent versions (>7.1) of the GDB debugger can
use to inspect a live process or a core dump.
</p>
<p>
Pass the <code>'-w'</code> flag to the linker to omit the debug information
(for example, <code>go build -ldflags "-w" prog.go</code>).
Pass the <code>'-s'</code> flag to the linker to omit the debug information.
</p>
<p>
The code generated by the <code>gc</code> compiler includes inlining of
function invocations and registerization of variables. These optimizations
can sometimes make debugging with <code>gdb</code> harder. To disable them
when debugging, pass the flags <code>-gcflags "-N -l"</code> to the
<a href="/cmd/go"><code>go</code></a> command used to build the code being
debugged.
</p>
<p>
If you want to use gdb to inspect a core dump, you can trigger a dump
on a program crash, on systems that permit it, by setting
<code>GOTRACEBACK=crash</code> in the environment (see the
<a href="/pkg/runtime/#hdr-Environment_Variables"> runtime package
documentation</a> for more info).
</p>
<h3 id="Common_Operations">Common Operations</h3>
<ul>
<li>
Show file and line number for code, set breakpoints and disassemble:
Show file and line number for code
and set breakpoints:
<pre>(gdb) <b>list</b>
(gdb) <b>list <i>line</i></b>
(gdb) <b>list <i>file.go</i>:<i>line</i></b>
@@ -71,7 +34,7 @@ Show file and line number for code, set breakpoints and disassemble:
(gdb) <b>disas</b></pre>
</li>
<li>
Show backtraces and unwind stack frames:
Unwind stack frames:
<pre>(gdb) <b>bt</b>
(gdb) <b>frame <i>n</i></b></pre>
</li>
@@ -129,17 +92,17 @@ For example:
<p>
If you'd like to see how this works, or want to extend it, take a look at <a
href="/src/runtime/runtime-gdb.py">src/runtime/runtime-gdb.py</a> in
href="/src/pkg/runtime/runtime-gdb.py">src/pkg/runtime/runtime-gdb.py</a> in
the Go source distribution. It depends on some special magic types
(<code>hash&lt;T,U&gt;</code>) and variables (<code>runtime.m</code> and
<code>runtime.g</code>) that the linker
(<a href="/src/cmd/link/internal/ld/dwarf.go">src/cmd/link/internal/ld/dwarf.go</a>) ensures are described in
(<a href="/src/cmd/ld/dwarf.c">src/cmd/ld/dwarf.c</a>) ensures are described in
the DWARF code.
</p>
</ines
<p>
If you're interested in what the debugging information looks like, run
'<code>objdump -W a.out</code>' and browse through the <code>.debug_*</code>
'<code>objdump -W 6.out</code>' and browse through the <code>.debug_*</code>
sections.
</p>
@@ -162,26 +125,26 @@ the form <code>pkg.(*MyType).Meth</code>.
<p>
In this tutorial we will inspect the binary of the
<a href="/pkg/regexp/">regexp</a> package's unit tests. To build the binary,
change to <code>$GOROOT/src/regexp</code> and run <code>go test -c</code>.
This should produce an executable file named <code>regexp.test</code>.
change to <code>$GOROOT/src/pkg/regexp</code> and run <code>gotest</code>.
This should produce an executable file named <code>6.out</code>.
</p>
<h3 id="Getting_Started">Getting Started</h3>
<p>
Launch GDB, debugging <code>regexp.test</code>:
Launch GDB, debugging <code>6.out</code>:
</p>
<pre>
$ <b>gdb regexp.test</b>
$ <b>gdb 6.out</b>
GNU gdb (GDB) 7.2-gg8
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv 3+: GNU GPL version 3 or later &lt;http://gnu.org/licenses/gpl.html&gt;
Type "show copying" and "show warranty" for licensing/warranty details.
This GDB was configured as "x86_64-linux".
Reading symbols from /home/user/go/src/regexp/regexp.test...
Reading symbols from /home/user/go/src/pkg/regexp/6.out...
done.
Loading Go Runtime support.
(gdb)
@@ -189,7 +152,7 @@ Loading Go Runtime support.
<p>
The message <code>"Loading Go Runtime support"</code> means that GDB loaded the
extension from <code>$GOROOT/src/runtime/runtime-gdb.py</code>.
extension from <code>$GOROOT/src/pkg/runtime/runtime-gdb.py</code>.
</p>
<p>
@@ -198,17 +161,17 @@ pass your <code>$GOROOT</code> with the <code>'-d'</code> flag:
</p>
<pre>
$ <b>gdb regexp.test -d $GOROOT</b>
$ <b>gdb 6.out -d $GOROOT</b>
</pre>
<p>
If for some reason GDB still can't find that directory or that script, you can load
it by hand by telling gdb (assuming you have the go sources in
<code>~/go/</code>):
</p>
<p>
<pre>
(gdb) <b>source ~/go/src/runtime/runtime-gdb.py</b>
(gdb) <b>source ~/go/src/pkg/runtime/runtime-gdb.py</b>
Loading Go Runtime support.
</pre>
@@ -251,13 +214,14 @@ package is known to GDB as <code>'regexp.Compile'</code>.
<p>
Methods must be qualified with the name of their receiver types. For example,
the <code>*Regexp</code> types <code>String</code> method is known as
<code>'regexp.(*Regexp).String'</code>.
the <code>*Regexp</code> types <code>doParse</code> method is known as
<code>'regexp.*Regexp.doParse'</code>. (Note that the second dot is a "middot,"
an artifact of Gos internal representation of methods.)
</p>
<p>
Variables that shadow other variables are magically suffixed with a number in the debug info.
Variables referenced by closures will appear as pointers magically prefixed with '&amp;'.
Variables referenced by closures will appear as pointers magically prefixed with '&amp'.
</p>
<h3 id="Setting_breakpoints">Setting breakpoints</h3>
@@ -268,7 +232,7 @@ Set a breakpoint at the <code>TestFind</code> function:
<pre>
(gdb) <b>b 'regexp.TestFind'</b>
Breakpoint 1 at 0x424908: file /home/user/go/src/regexp/find_test.go, line 148.
Breakpoint 1 at 0x424908: file /home/user/go/src/pkg/regexp/find_test.go, line 148.
</pre>
<p>
@@ -277,9 +241,9 @@ Run the program:
<pre>
(gdb) <b>run</b>
Starting program: /home/user/go/src/regexp/regexp.test
Starting program: /home/lvd/g/src/pkg/regexp/6.out
Breakpoint 1, regexp.TestFind (t=0xf8404a89c0) at /home/user/go/src/regexp/find_test.go:148
Breakpoint 1, regexp.TestFind (t=0xf8404a89c0) at /home/user/go/src/pkg/regexp/find_test.go:148
148 func TestFind(t *testing.T) {
</pre>
@@ -306,9 +270,9 @@ Look at the stack trace for where weve paused the program:
<pre>
(gdb) <b>bt</b> <i># backtrace</i>
#0 regexp.TestFind (t=0xf8404a89c0) at /home/user/go/src/regexp/find_test.go:148
#1 0x000000000042f60b in testing.tRunner (t=0xf8404a89c0, test=0x573720) at /home/user/go/src/testing/testing.go:156
#2 0x000000000040df64 in runtime.initdone () at /home/user/go/src/runtime/proc.c:242
#0 regexp.TestFind (t=0xf8404a89c0) at /home/user/go/src/pkg/regexp/find_test.go:148
#1 0x000000000042f60b in testing.tRunner (t=0xf8404a89c0, test=0x573720) at /home/user/go/src/pkg/testing/testing.go:156
#2 0x000000000040df64 in runtime.initdone () at /home/user/go/src/pkg/runtime/proc.c:242
#3 0x000000f8404a89c0 in ?? ()
#4 0x0000000000573720 in ?? ()
#5 0x0000000000000000 in ?? ()
@@ -320,18 +284,16 @@ The other goroutine, number 1, is stuck in <code>runtime.gosched</code>, blocked
<pre>
(gdb) <b>goroutine 1 bt</b>
#0 0x000000000040facb in runtime.gosched () at /home/user/go/src/runtime/proc.c:873
#0 0x000000000040facb in runtime.gosched () at /home/lvd/g/src/pkg/runtime/proc.c:873
#1 0x00000000004031c9 in runtime.chanrecv (c=void, ep=void, selected=void, received=void)
at /home/user/go/src/runtime/chan.c:342
#2 0x0000000000403299 in runtime.chanrecv1 (t=void, c=void) at/home/user/go/src/runtime/chan.c:423
#3 0x000000000043075b in testing.RunTests (matchString={void (struct string, struct string, bool *, error *)}
0x7ffff7f9ef60, tests= []testing.InternalTest = {...}) at /home/user/go/src/testing/testing.go:201
#4 0x00000000004302b1 in testing.Main (matchString={void (struct string, struct string, bool *, error *)}
0x7ffff7f9ef80, tests= []testing.InternalTest = {...}, benchmarks= []testing.InternalBenchmark = {...})
at /home/user/go/src/testing/testing.go:168
#5 0x0000000000400dc1 in main.main () at /home/user/go/src/regexp/_testmain.go:98
#6 0x00000000004022e7 in runtime.mainstart () at /home/user/go/src/runtime/amd64/asm.s:78
#7 0x000000000040ea6f in runtime.initdone () at /home/user/go/src/runtime/proc.c:243
at /home/lvd/g/src/pkg/runtime/chan.c:342
#2 0x0000000000403299 in runtime.chanrecv1 (t=void, c=void) at/home/lvd/g/src/pkg/runtime/chan.c:423
#3 0x000000000043075b in testing.RunTests (matchString={void (struct string, struct string, bool *, os.Error *)} 0x7ffff7f9ef60, tests= []testing.InternalTest = {...}) at /home/lvd/g/src/pkg/testing/testing.go:201
#4 0x00000000004302b1 in testing.Main (matchString={void (struct string, struct string, bool *, os.Error *)} 0x7ffff7f9ef80, tests= []testing.InternalTest = {...}, benchmarks= []testing.InternalBenchmark = {...})
at /home/lvd/g/src/pkg/testing/testing.go:168
#5 0x0000000000400dc1 in main.main () at /home/lvd/g/src/pkg/regexp/_testmain.go:98
#6 0x00000000004022e7 in runtime.mainstart () at /home/lvd/g/src/pkg/runtime/amd64/asm.s:78
#7 0x000000000040ea6f in runtime.initdone () at /home/lvd/g/src/pkg/runtime/proc.c:243
#8 0x0000000000000000 in ?? ()
</pre>
@@ -342,7 +304,7 @@ The stack frame shows were currently executing the <code>regexp.TestFind</cod
<pre>
(gdb) <b>info frame</b>
Stack level 0, frame at 0x7ffff7f9ff88:
rip = 0x425530 in regexp.TestFind (/home/user/go/src/regexp/find_test.go:148);
rip = 0x425530 in regexp.TestFind (/home/lvd/g/src/pkg/regexp/find_test.go:148);
saved rip 0x430233
called by frame at 0x7ffff7f9ffa8
source language minimal.
@@ -381,14 +343,12 @@ $1 = (struct testing.T *) 0xf840688b60
$1 = (struct testing.T *) 0xf840688b60
(gdb) p *t
$2 = {errors = "", failed = false, ch = 0xf8406f5690}
(gdb) p *t-&gt;ch
$3 = struct hchan&lt;*testing.T&gt;
(gdb) p *t->ch
$3 = struct hchan<*testing.T>
</pre>
<p>
That <code>struct hchan&lt;*testing.T&gt;</code> is the
runtime-internal representation of a channel. It is currently empty,
or gdb would have pretty-printed its contents.
That <code>struct hchan<*testing.T></code> is the runtime-internal represntation of a channel. It is currently empty, or gdb would have pretty-printed it's contents.
</p>
<p>
@@ -421,7 +381,7 @@ We can step into the <code>String</code>function call with <code>"s"</code>:
<pre>
(gdb) <b>s</b>
regexp.(*Regexp).String (re=0xf84068d070, noname=void) at /home/user/go/src/regexp/regexp.go:97
regexp.(*Regexp).String (re=0xf84068d070, noname=void) at /home/lvd/g/src/pkg/regexp/regexp.go:97
97 func (re *Regexp) String() string {
</pre>
@@ -431,13 +391,14 @@ Get a stack trace to see where we are:
<pre>
(gdb) <b>bt</b>
(gdb) bt
#0 regexp.(*Regexp).String (re=0xf84068d070, noname=void)
at /home/user/go/src/regexp/regexp.go:97
at /home/lvd/g/src/pkg/regexp/regexp.go:97
#1 0x0000000000425615 in regexp.TestFind (t=0xf840688b60)
at /home/user/go/src/regexp/find_test.go:151
at /home/lvd/g/src/pkg/regexp/find_test.go:151
#2 0x0000000000430233 in testing.tRunner (t=0xf840688b60, test=0x5747b8)
at /home/user/go/src/testing/testing.go:156
#3 0x000000000040ea6f in runtime.initdone () at /home/user/go/src/runtime/proc.c:243
at /home/lvd/g/src/pkg/testing/testing.go:156
#3 0x000000000040ea6f in runtime.initdone () at /home/lvd/g/src/pkg/runtime/proc.c:243
....
</pre>
@@ -478,7 +439,7 @@ you can look inside the runtime representation to do that (tab completion helps
(gdb) <b>p slc</b>
$11 = []int = {0, 0}
(gdb) <b>p slc-&gt;</b><i>&lt;TAB&gt;</i>
(gdb) <b>p slc-&gt</b><i>&ltTAB&gt</i>
array slc len
(gdb) <b>p slc->array</b>
$12 = (int *) 0xf84057af00
@@ -499,7 +460,7 @@ $24 = 4
</pre>
<p>
Channels and maps are 'reference' types, which gdb shows as pointers to C++-like types <code>hash&lt;int,string&gt;*</code>. Dereferencing will trigger prettyprinting
Channels and maps are 'reference' types, which gdb shows as pointers to C++-like types <code>hash&ltint,string&gt*</code>. Dereferencing will trigger prettyprinting
</p>
<p>

11
doc/devel/index.html Normal file
View File

@@ -0,0 +1,11 @@
<!-- The Go project -->
<ul>
<li><a href="roadmap.html">Roadmap</a></li>
<li><a href="release.html">Release history</a></li>
<li><a href="weekly.html">Weekly snapshot history</a></li>
<li><a href="http://godashboard.appspot.com">Build and benchmark status</a></li>
</ul>
<ul>
<li><a href="../contribute.html">Contributing code</a></li>
</ul>

View File

@@ -1,455 +0,0 @@
<!--{
"Title": "Pre-Go 1 Release History"
}-->
<p>
This page summarizes the changes between stable releases of Go prior to Go 1.
See the <a href="release.html">Release History</a> page for notes on recent releases.
</p>
<h2 id="r60">r60 (released 2011/09/07)</h2>
<p>
The r60 release corresponds to
<code><a href="weekly.html#2011-08-17">weekly.2011-08-17</a></code>.
This section highlights the most significant changes in this release.
For a more detailed summary, see the
<a href="weekly.html#2011-08-17">weekly release notes</a>.
For complete information, see the
<a href="//code.google.com/p/go/source/list?r=release-branch.r60">Mercurial change list</a>.
</p>
<h3 id="r60.lang">Language</h3>
<p>
An "else" block is now required to have braces except if the body of the "else"
is another "if". Since gofmt always puts those braces in anyway,
gofmt-formatted programs will not be affected.
To fix other programs, run gofmt.
</p>
<h3 id="r60.pkg">Packages</h3>
<p>
<a href="/pkg/http/">Package http</a>'s URL parsing and query escaping code
(such as <code>ParseURL</code> and <code>URLEscape</code>) has been moved to
the new <a href="/pkg/url/">url package</a>, with several simplifications to
the names. Client code can be updated automatically with gofix.
</p>
<p>
<a href="/pkg/image/">Package image</a> has had significant changes made to the
<code>Pix</code> field of struct types such as
<a href="/pkg/image/#RGBA">image.RGBA</a> and
<a href="/pkg/image/#NRGBA">image.NRGBA</a>.
The <a href="/pkg/image/#Image">image.Image</a> interface type has not changed,
though, and you should not need to change your code if you don't explicitly
refer to <code>Pix</code> fields. For example, if you decode a number of images
using the <a href="/pkg/image/jpeg/">image/jpeg</a> package, compose them using
<a href="/pkg/image/draw/">image/draw</a>, and then encode the result using
<a href="/pkg/img/png">image/png</a>, then your code should still work as
before.
If your code <i>does</i> refer to <code>Pix</code> fields see the
<a href="/doc/devel/weekly.html#2011-07-19">weekly.2011-07-19</a>
snapshot notes for how to update your code.
</p>
<p>
<a href="/pkg/template/">Package template</a> has been replaced with a new
templating package (formerly <code>exp/template</code>). The original template
package is still available as <a href="/pkg/old/template/">old/template</a>.
The <code>old/template</code> package is deprecated and will be removed.
The Go tree has been updated to use the new template package. We encourage
users of the old template package to switch to the new one. Code that uses
<code>template</code> or <code>exp/template</code> will need to change its
import lines to <code>"old/template"</code> or <code>"template"</code>,
respectively.
</p>
<h3 id="r60.cmd">Tools</h3>
<p>
<a href="/cmd/goinstall/">Goinstall</a> now uses a new tag selection scheme.
When downloading or updating, goinstall looks for a tag or branch with the
<code>"go."</code> prefix that corresponds to the local Go version. For Go
<code>release.r58</code> it looks for <code>go.r58</code>. For
<code>weekly.2011-06-03</code> it looks for <code>go.weekly.2011-06-03</code>.
If the specific <code>go.X</code> tag or branch is not found, it chooses the
closest earlier version. If an appropriate tag or branch is found, goinstall
uses that version of the code. Otherwise it uses the default version selected
by the version control system. Library authors are encouraged to use the
appropriate tag or branch names in their repositories to make their libraries
more accessible.
</p>
<h3 id="r60.minor">Minor revisions</h3>
<p>
r60.1 includes a
<a href="//golang.org/change/1824581bf62d">linker
fix</a>, a pair of
<a href="//golang.org/change/9ef4429c2c64">goplay</a>
<a href="//golang.org/change/d42ed8c3098e">fixes</a>,
and a <code>json</code> package
<a href="//golang.org/change/d5e97874fe84">fix</a> and
a new
<a href="//golang.org/change/4f0e6269213f">struct tag
option</a>.
</p>
<p>
r60.2
<a href="//golang.org/change/ff19536042ac">fixes</a>
a memory leak involving maps.
</p>
<p>
r60.3 fixes a
<a href="//golang.org/change/01fa62f5e4e5">reflect bug</a>.
</p>
<h2 id="r59">r59 (released 2011/08/01)</h2>
<p>
The r59 release corresponds to
<code><a href="weekly.html#2011-07-07">weekly.2011-07-07</a></code>.
This section highlights the most significant changes in this release.
For a more detailed summary, see the
<a href="weekly.html#2011-07-07">weekly release notes</a>.
For complete information, see the
<a href="//code.google.com/p/go/source/list?r=release-branch.r59">Mercurial change list</a>.
</p>
<h3 id="r59.lang">Language</h3>
<p>
This release includes a language change that restricts the use of
<code>goto</code>. In essence, a <code>goto</code> statement outside a block
cannot jump to a label inside that block. Your code may require changes if it
uses <code>goto</code>.
See <a href="//golang.org/change/dc6d3cf9279d">this
changeset</a> for how the new rule affected the Go tree.
</p>
<h3 id="r59.pkg">Packages</h3>
<p>
As usual, <a href="/cmd/gofix/">gofix</a> will handle the bulk of the rewrites
necessary for these changes to package APIs.
</p>
<p>
<a href="/pkg/http">Package http</a> has a new
<a href="/pkg/http/#FileSystem">FileSystem</a> interface that provides access
to files. The <a href="/pkg/http/#FileServer">FileServer</a> helper now takes a
<code>FileSystem</code> argument instead of an explicit file system root. By
implementing your own <code>FileSystem</code> you can use the
<code>FileServer</code> to serve arbitrary data.
</p>
<p>
<a href="/pkg/os/">Package os</a>'s <code>ErrorString</code> type has been
hidden. Most uses of <code>os.ErrorString</code> can be replaced with
<a href="/pkg/os/#NewError">os.NewError</a>.
</p>
<p>
<a href="/pkg/reflect/">Package reflect</a> supports a new struct tag scheme
that enables sharing of struct tags between multiple packages.
In this scheme, the tags must be of the form:
</p>
<pre>
`key:"value" key2:"value2"`
</pre>
<p>
The <a href="/pkg/reflect/#StructField">StructField</a> type's Tag field now
has type <a href="/pkg/reflect/#StructTag">StructTag</a>, which has a
<code>Get</code> method. Clients of <a href="/pkg/json">json</a> and
<a href="/pkg/xml">xml</a> will need to be updated. Code that says
</p>
<pre>
type T struct {
X int "name"
}
</pre>
<p>
should become
</p>
<pre>
type T struct {
X int `json:"name"` // or `xml:"name"`
}
</pre>
<p>
Use <a href="/cmd/govet/">govet</a> to identify struct tags that need to be
changed to use the new syntax.
</p>
<p>
<a href="/pkg/sort/">Package sort</a>'s <code>IntArray</code> type has been
renamed to <a href="/pkg/sort/#IntSlice">IntSlice</a>, and similarly for
<a href="/pkg/sort/#Float64Slice">Float64Slice</a> and
<a href="/pkg/sort/#StringSlice">StringSlice</a>.
</p>
<p>
<a href="/pkg/strings/">Package strings</a>'s <code>Split</code> function has
itself been split into <a href="/pkg/strings/#Split">Split</a> and
<a href="/pkg/strings/#SplitN">SplitN</a>.
<code>SplitN</code> is the same as the old <code>Split</code>.
The new <code>Split</code> is equivalent to <code>SplitN</code> with a final
argument of -1.
</p>
<a href="/pkg/image/draw/">Package image/draw</a>'s
<a href="/pkg/image/draw/#Draw">Draw</a> function now takes an additional
argument, a compositing operator.
If in doubt, use <a href="/pkg/image/draw/#Op">draw.Over</a>.
</p>
<h3 id="r59.cmd">Tools</h3>
<p>
<a href="/cmd/goinstall/">Goinstall</a> now installs packages and commands from
arbitrary remote repositories (not just Google Code, Github, and so on).
See the <a href="/cmd/goinstall/">goinstall documentation</a> for details.
</p>
<h2 id="r58">r58 (released 2011/06/29)</h2>
<p>
The r58 release corresponds to
<code><a href="weekly.html#2011-06-09">weekly.2011-06-09</a></code>
with additional bug fixes.
This section highlights the most significant changes in this release.
For a more detailed summary, see the
<a href="weekly.html#2011-06-09">weekly release notes</a>.
For complete information, see the
<a href="//code.google.com/p/go/source/list?r=release-branch.r58">Mercurial change list</a>.
</p>
<h3 id="r58.lang">Language</h3>
<p>
This release fixes a <a href="//golang.org/change/b720749486e1">use of uninitialized memory in programs that misuse <code>goto</code></a>.
</p>
<h3 id="r58.pkg">Packages</h3>
<p>
As usual, <a href="/cmd/gofix/">gofix</a> will handle the bulk of the rewrites
necessary for these changes to package APIs.
</p>
<p>
<a href="/pkg/http/">Package http</a> drops the <code>finalURL</code> return
value from the <a href="/pkg/http/#Client.Get">Client.Get</a> method. The value
is now available via the new <code>Request</code> field on <a
href="/pkg/http/#Response">http.Response</a>.
Most instances of the type map[string][]string in have been
replaced with the new <a href="/pkg/http/#Values">Values</a> type.
</p>
<p>
<a href="/pkg/exec/">Package exec</a> has been redesigned with a more
convenient and succinct API.
</p>
<p>
<a href="/pkg/strconv/">Package strconv</a>'s <a href="/pkg/strconv/#Quote">Quote</a>
function now escapes only those Unicode code points not classified as printable
by <a href="/pkg/unicode/#IsPrint">unicode.IsPrint</a>.
Previously Quote would escape all non-ASCII characters.
This also affects the <a href="/pkg/fmt/">fmt</a> package's <code>"%q"</code>
formatting directive. The previous quoting behavior is still available via
strconv's new <a href="/pkg/strconv/#QuoteToASCII">QuoteToASCII</a> function.
</p>
<p>
<a href="/pkg/os/signal/">Package os/signal</a>'s
<a href="/pkg/os/#Signal">Signal</a> and
<a href="/pkg/os/#UnixSignal">UnixSignal</a> types have been moved to the
<a href="/pkg/os/">os</a> package.
</p>
<p>
<a href="/pkg/image/draw/">Package image/draw</a> is the new name for
<code>exp/draw</code>. The GUI-related code from <code>exp/draw</code> is now
located in the <a href="/pkg/exp/gui/">exp/gui</a> package.
</p>
<h3 id="r58.cmd">Tools</h3>
<p>
<a href="/cmd/goinstall/">Goinstall</a> now observes the GOPATH environment
variable to build and install your own code and external libraries outside of
the Go tree (and avoid writing Makefiles).
</p>
<h3 id="r58.minor">Minor revisions</h3>
<p>r58.1 adds
<a href="//golang.org/change/293c25943586">build</a> and
<a href="//golang.org/change/bf17e96b6582">runtime</a>
changes to make Go run on OS X 10.7 Lion.
</p>
<h2 id="r57">r57 (released 2011/05/03)</h2>
<p>
The r57 release corresponds to
<code><a href="weekly.html#2011-04-27">weekly.2011-04-27</a></code>
with additional bug fixes.
This section highlights the most significant changes in this release.
For a more detailed summary, see the
<a href="weekly.html#2011-04-27">weekly release notes</a>.
For complete information, see the
<a href="//code.google.com/p/go/source/list?r=release-branch.r57">Mercurial change list</a>.
</p>
<p>The new <a href="/cmd/gofix">gofix</a> tool finds Go programs that use old APIs and rewrites them to use
newer ones. After you update to a new Go release, gofix helps make the
necessary changes to your programs. Gofix will handle the http, os, and syscall
package changes described below, and we will update the program to keep up with
future changes to the libraries.
Gofix cant
handle all situations perfectly, so read and test the changes it makes before
committing them.
See <a href="//blog.golang.org/2011/04/introducing-gofix.html">the gofix blog post</a> for more
information.</p>
<h3 id="r57.lang">Language</h3>
<p>
<a href="/doc/go_spec.html#Receive_operator">Multiple assignment syntax</a> replaces the <code>closed</code> function.
The syntax for channel
receives allows an optional second assigned value, a boolean value
indicating whether the channel is closed. This code:
</p>
<pre>
v := &lt;-ch
if closed(ch) {
// channel is closed
}
</pre>
<p>should now be written as:</p>
<pre>
v, ok := &lt;-ch
if !ok {
// channel is closed
}
</pre>
<p><a href="/doc/go_spec.html#Label_scopes">Unused labels are now illegal</a>, just as unused local variables are.</p>
<h3 id="r57.pkg">Packages</h3>
<p>
<a href="/pkg/gob/">Package gob</a> will now encode and decode values of types that implement the
<a href="/pkg/gob/#GobEncoder">GobEncoder</a> and
<a href="/pkg/gob/#GobDecoder">GobDecoder</a> interfaces. This allows types with unexported
fields to transmit self-consistent descriptions; examples include
<a href="/pkg/big/#Int.GobDecode">big.Int</a> and <a href="/pkg/big/#Rat.GobDecode">big.Rat</a>.
</p>
<p>
<a href="/pkg/http/">Package http</a> has been redesigned.
For clients, there are new
<a href="/pkg/http/#Client">Client</a> and <a href="/pkg/http/#Transport">Transport</a>
abstractions that give more control over HTTP details such as headers sent
and redirections followed. These abstractions make it easy to implement
custom clients that add functionality such as <a href="//code.google.com/p/goauth2/source/browse/oauth/oauth.go">OAuth2</a>.
For servers, <a href="/pkg/http/#ResponseWriter">ResponseWriter</a>
has dropped its non-essential methods.
The Hijack and Flush methods are no longer required;
code can test for them by checking whether a specific value implements
<a href="/pkg/http/#Hijacker">Hijacker</a> or <a href="/pkg/http/#Flusher">Flusher</a>.
The RemoteAddr and UsingTLS methods are replaced by <a href="/pkg/http/#Request">Request</a>'s
RemoteAddr and TLS fields.
The SetHeader method is replaced by a Header method;
its result, of type <a href="/pkg/http/#Header">Header</a>,
implements Set and other methods.
</p>
<p>
<a href="/pkg/net/">Package net</a>
drops the <code>laddr</code> argument from <a href="/pkg/net/#Conn.Dial">Dial</a>
and drops the <code>cname</code> return value
from <a href="/pkg/net/#LookupHost">LookupHost</a>.
The implementation now uses <a href="/cmd/cgo/">cgo</a> to implement
network name lookups using the C library getaddrinfo(3)
function when possible. This ensures that Go and C programs
resolve names the same way and also avoids the OS X
application-level firewall.
</p>
<p>
<a href="/pkg/os/">Package os</a>
introduces simplified <a href="/pkg/os/#File.Open">Open</a>
and <a href="/pkg/os/#File.Create">Create</a> functions.
The original Open is now available as <a href="/pkg/os/#File.OpenFile">OpenFile</a>.
The final three arguments to <a href="/pkg/os/#Process.StartProcess">StartProcess</a>
have been replaced by a pointer to a <a href="/pkg/os/#ProcAttr">ProcAttr</a>.
</p>
<p>
<a href="/pkg/reflect/">Package reflect</a> has been redesigned.
<a href="/pkg/reflect/#Type">Type</a> is now an interface that implements
all the possible type methods.
Instead of a type switch on a Type <code>t</code>, switch on <code>t.Kind()</code>.
<a href="/pkg/reflect/#Value">Value</a> is now a struct value that
implements all the possible value methods.
Instead of a type switch on a Value <code>v</code>, switch on <code>v.Kind()</code>.
Typeof and NewValue are now called <a href="/pkg/reflect/#Type.TypeOf">TypeOf</a> and <a href="/pkg/reflect/#Value.ValueOf">ValueOf</a>
To create a writable Value, use <code>New(t).Elem()</code> instead of <code>Zero(t)</code>.
See <a href="//golang.org/change/843855f3c026">the change description</a>
for the full details.
The new API allows a more efficient implementation of Value
that avoids many of the allocations required by the previous API.
</p>
<p>
Remember that gofix will handle the bulk of the rewrites
necessary for these changes to package APIs.
</p>
<h3 id="r57.cmd">Tools</h3>
<p><a href="/cmd/gofix/">Gofix</a>, a new command, is described above.</p>
<p>
<a href="/cmd/gotest/">Gotest</a> is now a Go program instead of a shell script.
The new <code>-test.short</code> flag in combination with package testing's Short function
allows you to write tests that can be run in normal or &ldquo;short&rdquo; mode;
all.bash runs tests in short mode to reduce installation time.
The Makefiles know about the flag: use <code>make testshort</code>.
</p>
<p>
The run-time support now implements CPU and memory profiling.
Gotest's new
<a href="/cmd/gotest/"><code>-test.cpuprofile</code> and
<code>-test.memprofile</code> flags</a> make it easy to
profile tests.
To add profiling to your web server, see the <a href="/pkg/http/pprof/">http/pprof</a>
documentation.
For other uses, see the <a href="/pkg/runtime/pprof/">runtime/pprof</a> documentation.
</p>
<h3 id="r57.minor">Minor revisions</h3>
<p>r57.1 fixes a <a href="//golang.org/change/ff2bc62726e7145eb2ecc1e0f076998e4a8f86f0">nil pointer dereference in http.FormFile</a>.</p>
<p>r57.2 fixes a <a href="//golang.org/change/063b0ff67d8277df03c956208abc068076818dae">use of uninitialized memory in programs that misuse <code>goto</code></a>.</p>
<h2 id="r56">r56 (released 2011/03/16)</h2>
<p>
The r56 release was the first stable release and corresponds to
<code><a href="weekly.html#2011-03-07">weekly.2011-03-07.1</a></code>.
The numbering starts at 56 because before this release,
what we now consider weekly snapshots were called releases.
</p>

View File

@@ -1,339 +1,462 @@
<!--{
"Title": "Release History"
}-->
<!-- Release History -->
<p>This page summarizes the changes between official stable releases of Go.
The <a href="//golang.org/change">change log</a> has the full details.</p>
Between releases we issue less stable
<a href="http://blog.golang.org/2011/03/go-becomes-more-stable.html">weekly snapshots</a>.
The <a href="weekly.html">weekly snapshot history</a> contains more detail,
and the <a href="http://code.google.com/p/go/source/list">Mercurial change log</a>
has full details.</p>
<p>To update to a specific release, use:</p>
<pre>
git pull
git checkout <i>release-branch</i>
hg pull
hg update release.r<i>NN</i>
</pre>
<h2 id="policy">Release Policy</h2>
<h2 id="r60">r60 (released 2011/09/07)</h2>
<p>
Each major Go release obsoletes and ends support for the previous one.
For example, if Go 1.5 has been released, then it is the current release
and Go 1.4 and earlier are no longer supported.
We fix critical problems in the current release as needed by issuing minor revisions
(for example, Go 1.5.1, Go 1.5.2, and so on).
The r60 release corresponds to
<code><a href="weekly.html#2011-08-17">weekly.2011-08-17</a></code>.
This section highlights the most significant changes in this release.
For a more detailed summary, see the
<a href="weekly.html#2011-08-17">weekly release notes</a>.
For complete information, see the
<a href="http://code.google.com/p/go/source/list?r=release-branch.r60">Mercurial change list</a>.
</p>
<h3 id="r60.lang">Language</h3>
<p>
An "else" block is now required to have braces except if the body of the "else"
is another "if". Since gofmt always puts those braces in anyway,
gofmt-formatted programs will not be affected.
To fix other programs, run gofmt.
</p>
<h3 id="r60.pkg">Packages</h3>
<p>
<a href="/pkg/http/">Package http</a>'s URL parsing and query escaping code
(such as <code>ParseURL</code> and <code>URLEscape</code>) has been moved to
the new <a href="/pkg/url/">url package</a>, with several simplifications to
the names. Client code can be updated automatically with gofix.
</p>
<p>
As a special case, we issue minor revisions for critical security problems
in both the current release and the previous release.
For example, if Go 1.5 is the current release then we will issue minor revisions
to fix critical security problems in both Go 1.4 and Go 1.5 as they arise.
See the <a href="/security">security policy</a> for more details.
</p>
<h2 id="go1.8">go1.8 (released 2017/02/16)</h2>
<p>
Go 1.8 is a major release of Go.
Read the <a href="/doc/go1.8">Go 1.8 Release Notes</a> for more information.
</p>
<h3 id="go1.8.minor">Minor revisions</h3>
<p>
go1.8.1 (released 2017/04/07) includes fixes to the compiler, linker, runtime,
documentation, <code>go</code> command and the <code>crypto/tls</code>,
<code>encoding/xml</code>, <code>image/png</code>, <code>net</code>,
<code>net/http</code>, <code>reflect</code>, <code>text/template</code>,
and <code>time</code> packages.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.8.1">Go
1.8.1 milestone</a> on our issue tracker for details.
<a href="/pkg/image/">Package image</a> has had significant changes made to the
<code>Pix</code> field of struct types such as
<a href="/pkg/image/#RGBA">image.RGBA</a> and
<a href="/pkg/image/#NRGBA">image.NRGBA</a>.
The <a href="/pkg/image/#Image">image.Image</a> interface type has not changed,
though, and you should not need to change your code if you don't explicitly
refer to <code>Pix</code> fields. For example, if you decode a number of images
using the <a href="/pkg/image/jpeg/">image/jpeg</a> package, compose them using
<a href="/pkg/image/draw/">image/draw</a>, and then encode the result using
<a href="/pkg/img/png">image/png</a>, then your code should still work as
before.
If your code <i>does</i> refer to <code>Pix</code> fields see the
<a href="/doc/devel/weekly.html#2011-07-19">weekly.2011-07-19</a>
snapshot notes for how to update your code.
</p>
<p>
go1.8.2 (released 2017/05/23) includes a security fix to the
<code>crypto/elliptic</code> package.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.8.2">Go
1.8.2 milestone</a> on our issue tracker for details.
<a href="/pkg/template/">Package template</a> has been replaced with a new
templating package (formerly <code>exp/template</code>). The original template
package is still available as <a href="/pkg/old/template/">old/template</a>.
The <code>old/template</code> package is deprecated and will be removed.
The Go tree has been updated to use the new template package. We encourage
users of the old template package to switch to the new one. Code that uses
<code>template</code> or <code>exp/template</code> will need to change its
import lines to <code>"old/template"</code> or <code>"template"</code>,
respectively.
</p>
<h3 id="r60.cmd">Tools</h3>
<p>
<a href="/cmd/goinstall/">Goinstall</a> now uses a new tag selection scheme.
When downloading or updating, goinstall looks for a tag or branch with the
<code>"go."</code> prefix that corresponds to the local Go version. For Go
<code>release.r58</code> it looks for <code>go.r58</code>. For
<code>weekly.2011-06-03</code> it looks for <code>go.weekly.2011-06-03</code>.
If the specific <code>go.X</code> tag or branch is not found, it chooses the
closest earlier version. If an appropriate tag or branch is found, goinstall
uses that version of the code. Otherwise it uses the default version selected
by the version control system. Library authors are encouraged to use the
appropriate tag or branch names in their repositories to make their libraries
more accessible.
</p>
<h3 id="r60.minor">Minor revisions</h3>
<p>
r60.1 includes a
<a href="http://code.google.com/p/go/source/detail?r=1824581bf62d">linker
fix</a>, a pair of
<a href="http://code.google.com/p/go/source/detail?r=9ef4429c2c64">goplay</a>
<a href="http://code.google.com/p/go/source/detail?r=d42ed8c3098e">fixes</a>,
and a <code>json</code> package
<a href="http://code.google.com/p/go/source/detail?r=d5e97874fe84">fix</a> and
a new
<a href="http://code.google.com/p/go/source/detail?r=4f0e6269213f">struct tag
option</a>.
</p>
<p>
go1.8.3 (released 2017/05/24) includes fixes to the compiler, runtime,
documentation, and the <code>database/sql</code> package.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.8.3">Go
1.8.3 milestone</a> on our issue tracker for details.
</p>
<h2 id="go1.7">go1.7 (released 2016/08/15)</h2>
<p>
Go 1.7 is a major release of Go.
Read the <a href="/doc/go1.7">Go 1.7 Release Notes</a> for more information.
</p>
<h3 id="go1.7.minor">Minor revisions</h3>
<p>
go1.7.1 (released 2016/09/07) includes fixes to the compiler, runtime,
documentation, and the <code>compress/flate</code>, <code>hash/crc32</code>,
<code>io</code>, <code>net</code>, <code>net/http</code>,
<code>path/filepath</code>, <code>reflect</code>, and <code>syscall</code>
packages.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.7.1">Go
1.7.1 milestone</a> on our issue tracker for details.
r60.2
<a href="http://code.google.com/p/go/source/detail?r=ff19536042ac">fixes</a>
a memory leak involving maps.
</p>
<p>
go1.7.2 should not be used. It was tagged but not fully released.
The release was deferred due to a last minute bug report.
Use go1.7.3 instead, and refer to the summary of changes below.
r60.3 fixes a
<a href="http://code.google.com/p/go/source/detail?r=01fa62f5e4e5">reflect bug</a>.
</p>
<h2 id="r59">r59 (released 2011/08/01)</h2>
<p>
The r59 release corresponds to
<code><a href="weekly.html#2011-07-07">weekly.2011-07-07</a></code>.
This section highlights the most significant changes in this release.
For a more detailed summary, see the
<a href="weekly.html#2011-07-07">weekly release notes</a>.
For complete information, see the
<a href="http://code.google.com/p/go/source/list?r=release-branch.r59">Mercurial change list</a>.
</p>
<h3 id="r59.lang">Language</h3>
<p>
This release includes a language change that restricts the use of
<code>goto</code>. In essence, a <code>goto</code> statement outside a block
cannot jump to a label inside that block. Your code may require changes if it
uses <code>goto</code>.
See <a href="http://code.google.com/p/go/source/detail?r=dc6d3cf9279d">this
changeset</a> for how the new rule affected the Go tree.
</p>
<h3 id="r59.pkg">Packages</h3>
<p>
As usual, <a href="/cmd/gofix/">gofix</a> will handle the bulk of the rewrites
necessary for these changes to package APIs.
</p>
<p>
go1.7.3 (released 2016/10/19) includes fixes to the compiler, runtime,
and the <code>crypto/cipher</code>, <code>crypto/tls</code>,
<code>net/http</code>, and <code>strings</code> packages.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.7.3">Go
1.7.3 milestone</a> on our issue tracker for details.
<a href="/pkg/http">Package http</a> has a new
<a href="/pkg/http/#FileSystem">FileSystem</a> interface that provides access
to files. The <a href="/pkg/http/#FileServer">FileServer</a> helper now takes a
<code>FileSystem</code> argument instead of an explicit file system root. By
implementing your own <code>FileSystem</code> you can use the
<code>FileServer</code> to serve arbitrary data.
</p>
<p>
go1.7.4 (released 2016/12/01) includes two security fixes.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.7.4">Go
1.7.4 milestone</a> on our issue tracker for details.
<a href="/pkg/os/">Package os</a>'s <code>ErrorString</code> type has been
hidden. Most uses of <code>os.ErrorString</code> can be replaced with
<a href="/pkg/os/#NewError">os.NewError</a>.
</p>
<p>
go1.7.5 (released 2017/01/26) includes fixes to the compiler, runtime,
and the <code>crypto/x509</code> and <code>time</code> packages.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.7.5">Go
1.7.5 milestone</a> on our issue tracker for details.
<a href="/pkg/reflect/">Package reflect</a> supports a new struct tag scheme
that enables sharing of struct tags between multiple packages.
In this scheme, the tags must be of the form:
</p>
<pre>
`key:"value" key2:"value2"`
</pre>
<p>
The <a href="/pkg/reflect/#StructField">StructField</a> type's Tag field now
has type <a href="/pkg/reflect/#StructTag">StructTag</a>, which has a
<code>Get</code> method. Clients of <a href="/pkg/json">json</a> and
<a href="/pkg/xml">xml</a> will need to be updated. Code that says
</p>
<pre>
type T struct {
X int "name"
}
</pre>
<p>
should become
</p>
<pre>
type T struct {
X int `json:"name"` // or `xml:"name"`
}
</pre>
<p>
Use <a href="/cmd/govet/">govet</a> to identify struct tags that need to be
changed to use the new syntax.
</p>
<p>
go1.7.6 (released 2017/05/23) includes the same security fix as Go 1.8.2 and
was released at the same time.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.8.2">Go
1.8.2 milestone</a> on our issue tracker for details.
</p>
<h2 id="go1.6">go1.6 (released 2016/02/17)</h2>
<p>
Go 1.6 is a major release of Go.
Read the <a href="/doc/go1.6">Go 1.6 Release Notes</a> for more information.
</p>
<h3 id="go1.6.minor">Minor revisions</h3>
<p>
go1.6.1 (released 2016/04/12) includes two security fixes.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.6.1">Go
1.6.1 milestone</a> on our issue tracker for details.
<a href="/pkg/sort/">Package sort</a>'s <code>IntArray</code> type has been
renamed to <a href="/pkg/sort/#IntSlice">IntSlice</a>, and similarly for
<a href="/pkg/sort/#Float64Slice">Float64Slice</a> and
<a href="/pkg/sort/#StringSlice">StringSlice</a>.
</p>
<p>
go1.6.2 (released 2016/04/20) includes fixes to the compiler, runtime, tools,
documentation, and the <code>mime/multipart</code>, <code>net/http</code>, and
<code>sort</code> packages.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.6.2">Go
1.6.2 milestone</a> on our issue tracker for details.
<a href="/pkg/strings/">Package strings</a>'s <code>Split</code> function has
itself been split into <a href="/pkg/strings/#Split">Split</a> and
<a href="/pkg/strings/#SplitN">SplitN</a>.
<code>SplitN</code> is the same as the old <code>Split</code>.
The new <code>Split</code> is equivalent to <code>SplitN</code> with a final
argument of -1.
</p>
<a href="/pkg/image/draw/">Package image/draw</a>'s
<a href="/pkg/image/draw/#Draw">Draw</a> function now takes an additional
argument, a compositing operator.
If in doubt, use <a href="/pkg/image/draw/#Op">draw.Over</a>.
</p>
<h3 id="r59.cmd">Tools</h3>
<p>
<a href="/cmd/goinstall/">Goinstall</a> now installs packages and commands from
arbitrary remote repositories (not just Google Code, Github, and so on).
See the <a href="/cmd/goinstall/">goinstall documentation</a> for details.
</p>
<h2 id="r58">r58 (released 2011/06/29)</h2>
<p>
The r58 release corresponds to
<code><a href="weekly.html#2011-06-09">weekly.2011-06-09</a></code>
with additional bug fixes.
This section highlights the most significant changes in this release.
For a more detailed summary, see the
<a href="weekly.html#2011-06-09">weekly release notes</a>.
For complete information, see the
<a href="http://code.google.com/p/go/source/list?r=release-branch.r58">Mercurial change list</a>.
</p>
<h3 id="r58.lang">Language</h3>
<p>
This release fixes a <a href="http://code.google.com/p/go/source/detail?r=b720749486e1">use of uninitialized memory in programs that misuse <code>goto</code></a>.
</p>
<h3 id="r58.pkg">Packages</h3>
<p>
As usual, <a href="/cmd/gofix/">gofix</a> will handle the bulk of the rewrites
necessary for these changes to package APIs.
</p>
<p>
go1.6.3 (released 2016/07/17) includes security fixes to the
<code>net/http/cgi</code> package and <code>net/http</code> package when used in
a CGI environment.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.6.3">Go
1.6.3 milestone</a> on our issue tracker for details.
<a href="/pkg/http/">Package http</a> drops the <code>finalURL</code> return
value from the <a href="/pkg/http/#Client.Get">Client.Get</a> method. The value
is now available via the new <code>Request</code> field on <a
href="/pkg/http/#Response">http.Response</a>.
Most instances of the type map[string][]string in have been
replaced with the new <a href="/pkg/http/#Values">Values</a> type.
</p>
<p>
go1.6.4 (released 2016/12/01) includes two security fixes.
It contains the same fixes as Go 1.7.4 and was released at the same time.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.7.4">Go
1.7.4 milestone</a> on our issue tracker for details.
</p>
<h2 id="go1.5">go1.5 (released 2015/08/19)</h2>
<p>
Go 1.5 is a major release of Go.
Read the <a href="/doc/go1.5">Go 1.5 Release Notes</a> for more information.
</p>
<h3 id="go1.5.minor">Minor revisions</h3>
<p>
go1.5.1 (released 2015/09/08) includes bug fixes to the compiler, assembler, and
the <code>fmt</code>, <code>net/textproto</code>, <code>net/http</code>, and
<code>runtime</code> packages.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.5.1">Go
1.5.1 milestone</a> on our issue tracker for details.
<a href="/pkg/exec/">Package exec</a> has been redesigned with a more
convenient and succinct API.
</p>
<p>
go1.5.2 (released 2015/12/02) includes bug fixes to the compiler, linker, and
the <code>mime/multipart</code>, <code>net</code>, and <code>runtime</code>
packages.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.5.2">Go
1.5.2 milestone</a> on our issue tracker for details.
<a href="/pkg/strconv/">Package strconv</a>'s <a href="/pkg/strconv/#Quote">Quote</a>
function now escapes only those Unicode code points not classified as printable
by <a href="/pkg/unicode/#IsPrint">unicode.IsPrint</a>.
Previously Quote would escape all non-ASCII characters.
This also affects the <a href="/pkg/fmt/">fmt</a> package's <code>"%q"</code>
formatting directive. The previous quoting behavior is still available via
strconv's new <a href="/pkg/strconv/#QuoteToASCII">QuoteToASCII</a> function.
</p>
<p>
go1.5.3 (released 2016/01/13) includes a security fix to the <code>math/big</code> package
affecting the <code>crypto/tls</code> package.
See the <a href="https://golang.org/s/go153announce">release announcement</a> for details.
<a href="/pkg/os/signal/">Package os/signal</a>'s
<a href="/pkg/os/#Signal">Signal</a> and
<a href="/pkg/os/#UnixSignal">UnixSignal</a> types have been moved to the
<a href="/pkg/os/">os</a> package.
</p>
<p>
go1.5.4 (released 2016/04/12) includes two security fixes.
It contains the same fixes as Go 1.6.1 and was released at the same time.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.6.1">Go
1.6.1 milestone</a> on our issue tracker for details.
<a href="/pkg/image/draw/">Package image/draw</a> is the new name for
<code>exp/draw</code>. The GUI-related code from <code>exp/draw</code> is now
located in the <a href="/pkg/exp/gui/">exp/gui</a> package.
</p>
<h2 id="go1.4">go1.4 (released 2014/12/10)</h2>
<h3 id="r58.cmd">Tools</h3>
<p>
Go 1.4 is a major release of Go.
Read the <a href="/doc/go1.4">Go 1.4 Release Notes</a> for more information.
<a href="/cmd/goinstall/">Goinstall</a> now observes the GOPATH environment
variable to build and install your own code and external libraries outside of
the Go tree (and avoid writing Makefiles).
</p>
<h3 id="go1.4.minor">Minor revisions</h3>
<h3 id="r58.minor">Minor revisions</h3>
<p>r58.1 adds
<a href="http://code.google.com/p/go/source/detail?r=293c25943586">build</a> and
<a href="http://code.google.com/p/go/source/detail?r=bf17e96b6582">runtime</a>
changes to make Go run on OS X 10.7 Lion.
</p>
<h2 id="r57">r57 (released 2011/05/03)</h2>
<p>
go1.4.1 (released 2015/01/15) includes bug fixes to the linker and the <code>log</code>, <code>syscall</code>, and <code>runtime</code> packages.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.4.1">Go 1.4.1 milestone on our issue tracker</a> for details.
The r57 release corresponds to
<code><a href="weekly.html#2011-04-27">weekly.2011-04-27</a></code>
with additional bug fixes.
This section highlights the most significant changes in this release.
For a more detailed summary, see the
<a href="weekly.html#2011-04-27">weekly release notes</a>.
For complete information, see the
<a href="http://code.google.com/p/go/source/list?r=release-branch.r57">Mercurial change list</a>.
</p>
<p>The new <a href="/cmd/gofix">gofix</a> tool finds Go programs that use old APIs and rewrites them to use
newer ones. After you update to a new Go release, gofix helps make the
necessary changes to your programs. Gofix will handle the http, os, and syscall
package changes described below, and we will update the program to keep up with
future changes to the libraries.
Gofix cant
handle all situations perfectly, so read and test the changes it makes before
committing them.
See <a href="http://blog.golang.org/2011/04/introducing-gofix.html">the gofix blog post</a> for more
information.</p>
<h3 id="r57.lang">Language</h3>
<p>
<a href="/doc/go_spec.html#Receive_operator">Multiple assignment syntax</a> replaces the <code>closed</code> function.
The syntax for channel
receives allows an optional second assigned value, a boolean value
indicating whether the channel is closed. This code:
</p>
<pre>
v := &lt;-ch
if closed(ch) {
// channel is closed
}
</pre>
<p>should now be written as:</p>
<pre>
v, ok := &lt;-ch
if !ok {
// channel is closed
}
</pre>
<p><a href="/doc/go_spec.html#Label_scopes">Unused labels are now illegal</a>, just as unused local variables are.</p>
<h3 id="r57.pkg">Packages</h3>
<p>
<a href="/pkg/gob/">Package gob</a> will now encode and decode values of types that implement the
<a href="/pkg/gob/#GobEncoder">GobEncoder</a> and
<a href="/pkg/gob/#GobDecoder">GobDecoder</a> interfaces. This allows types with unexported
fields to transmit self-consistent descriptions; examples include
<a href="/pkg/big/#Int.GobDecode">big.Int</a> and <a href="/pkg/big/#Rat.GobDecode">big.Rat</a>.
</p>
<p>
go1.4.2 (released 2015/02/17) includes bug fixes to the <code>go</code> command, the compiler and linker, and the <code>runtime</code>, <code>syscall</code>, <code>reflect</code>, and <code>math/big</code> packages.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.4.2">Go 1.4.2 milestone on our issue tracker</a> for details.
<a href="/pkg/http/">Package http</a> has been redesigned.
For clients, there are new
<a href="/pkg/http/#Client">Client</a> and <a href="/pkg/http/#Transport">Transport</a>
abstractions that give more control over HTTP details such as headers sent
and redirections followed. These abstractions make it easy to implement
custom clients that add functionality such as <a href="http://code.google.com/p/goauth2/source/browse/oauth/oauth.go">OAuth2</a>.
For servers, <a href="/pkg/http/#ResponseWriter">ResponseWriter</a>
has dropped its non-essential methods.
The Hijack and Flush methods are no longer required;
code can test for them by checking whether a specific value implements
<a href="/pkg/http/#Hijacker">Hijacker</a> or <a href="/pkg/http/#Flusher">Flusher</a>.
The RemoteAddr and UsingTLS methods are replaced by <a href="/pkg/http/#Request">Request</a>'s
RemoteAddr and TLS fields.
The SetHeader method is replaced by a Header method;
its result, of type <a href="/pkg/http/#Header">Header</a>,
implements Set and other methods.
</p>
<p>
go1.4.3 (released 2015/09/22) includes security fixes to the <code>net/http</code> package and bug fixes to the <code>runtime</code> package.
See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.4.3">Go 1.4.3 milestone on our issue tracker</a> for details.
</p>
<h2 id="go1.3">go1.3 (released 2014/06/18)</h2>
<p>
Go 1.3 is a major release of Go.
Read the <a href="/doc/go1.3">Go 1.3 Release Notes</a> for more information.
</p>
<h3 id="go1.3.minor">Minor revisions</h3>
<p>
go1.3.1 (released 2014/08/13) includes bug fixes to the compiler and the <code>runtime</code>, <code>net</code>, and <code>crypto/rsa</code> packages.
See the <a href="https://github.com/golang/go/commits/go1.3.1">change history</a> for details.
<a href="/pkg/net/">Package net</a>
drops the <code>laddr</code> argument from <a href="/pkg/net/#Conn.Dial">Dial</a>
and drops the <code>cname</code> return value
from <a href="/pkg/net/#LookupHost">LookupHost</a>.
The implementation now uses <a href="/cmd/cgo/">cgo</a> to implement
network name lookups using the C library getaddrinfo(3)
function when possible. This ensures that Go and C programs
resolve names the same way and also avoids the OS X
application-level firewall.
</p>
<p>
go1.3.2 (released 2014/09/25) includes bug fixes to cgo and the crypto/tls packages.
See the <a href="https://github.com/golang/go/commits/go1.3.2">change history</a> for details.
<a href="/pkg/os/">Package os</a>
introduces simplified <a href="/pkg/os/#File.Open">Open</a>
and <a href="/pkg/os/#File.Create">Create</a> functions.
The original Open is now available as <a href="/pkg/os/#File.OpenFile">OpenFile</a>.
The final three arguments to <a href="/pkg/os/#Process.StartProcess">StartProcess</a>
have been replaced by a pointer to a <a href="/pkg/os/#ProcAttr">ProcAttr</a>.
</p>
<p>
go1.3.3 (released 2014/09/30) includes further bug fixes to cgo, the runtime package, and the nacl port.
See the <a href="https://github.com/golang/go/commits/go1.3.3">change history</a> for details.
</p>
<h2 id="go1.2">go1.2 (released 2013/12/01)</h2>
<p>
Go 1.2 is a major release of Go.
Read the <a href="/doc/go1.2">Go 1.2 Release Notes</a> for more information.
</p>
<h3 id="go1.2.minor">Minor revisions</h3>
<p>
go1.2.1 (released 2014/03/02) includes bug fixes to the <code>runtime</code>, <code>net</code>, and <code>database/sql</code> packages.
See the <a href="https://github.com/golang/go/commits/go1.2.1">change history</a> for details.
<a href="/pkg/reflect/">Package reflect</a> has been redesigned.
<a href="/pkg/reflect/#Type">Type</a> is now an interface that implements
all the possible type methods.
Instead of a type switch on a Type <code>t</code>, switch on <code>t.Kind()</code>.
<a href="/pkg/reflect/#Value">Value</a> is now a struct value that
implements all the possible value methods.
Instead of a type switch on a Value <code>v</code>, switch on <code>v.Kind()</code>.
Typeof and NewValue are now called <a href="/pkg/reflect/#Type.TypeOf">TypeOf</a> and <a href="/pkg/reflect/#Value.ValueOf">ValueOf</a>
To create a writable Value, use <code>New(t).Elem()</code> instead of <code>Zero(t)</code>.
See <a href="http://code.google.com/p/go/source/detail?r=843855f3c026">the change description</a>
for the full details.
The new API allows a more efficient implementation of Value
that avoids many of the allocations required by the previous API.
</p>
<p>
go1.2.2 (released 2014/05/05) includes a
<a href="https://github.com/golang/go/commits/go1.2.2">security fix</a>
that affects the tour binary included in the binary distributions (thanks to Guillaume T).
Remember that gofix will handle the bulk of the rewrites
necessary for these changes to package APIs.
</p>
<h2 id="go1.1">go1.1 (released 2013/05/13)</h2>
<h3 id="r57.cmd">Tools</h3>
<p><a href="/cmd/gofix/">Gofix</a>, a new command, is described above.</p>
<p>
Go 1.1 is a major release of Go.
Read the <a href="/doc/go1.1">Go 1.1 Release Notes</a> for more information.
</p>
<h3 id="go1.1.minor">Minor revisions</h3>
<p>
go1.1.1 (released 2013/06/13) includes several compiler and runtime bug fixes.
See the <a href="https://github.com/golang/go/commits/go1.1.1">change history</a> for details.
<a href="/cmd/gotest/">Gotest</a> is now a Go program instead of a shell script.
The new <code>-test.short</code> flag in combination with package testing's Short function
allows you to write tests that can be run in normal or &ldquo;short&rdquo; mode;
all.bash runs tests in short mode to reduce installation time.
The Makefiles know about the flag: use <code>make testshort</code>.
</p>
<p>
go1.1.2 (released 2013/08/13) includes fixes to the <code>gc</code> compiler
and <code>cgo</code>, and the <code>bufio</code>, <code>runtime</code>,
<code>syscall</code>, and <code>time</code> packages.
See the <a href="https://github.com/golang/go/commits/go1.1.2">change history</a> for details.
If you use package syscall's <code>Getrlimit</code> and <code>Setrlimit</code>
functions under Linux on the ARM or 386 architectures, please note change
<a href="//golang.org/cl/11803043">11803043</a>
that fixes <a href="//golang.org/issue/5949">issue 5949</a>.
The run-time support now implements CPU and memory profiling.
Gotest's new
<a href="/cmd/gotest/"><code>-test.cpuprofile</code> and
<code>-test.memprofile</code> flags</a> make it easy to
profile tests.
To add profiling to your web server, see the <a href="/pkg/http/pprof/">http/pprof</a>
documentation.
For other uses, see the <a href="/pkg/runtime/pprof/">runtime/pprof</a> documentation.
</p>
<h2 id="go1">go1 (released 2012/03/28)</h2>
<h3 id="r57.minor">Minor revisions</h3>
<p>r57.1 fixes a <a href="http://code.google.com/p/go/source/detail?r=ff2bc62726e7145eb2ecc1e0f076998e4a8f86f0">nil pointer dereference in http.FormFile</a>.</p>
<p>r57.2 fixes a <a href="http://code.google.com/p/go/source/detail?r=063b0ff67d8277df03c956208abc068076818dae">use of uninitialized memory in programs that misuse <code>goto</code></a>.</p>
<h2 id="r56">r56 (released 2011/03/16)</h2>
<p>
Go 1 is a major release of Go that will be stable in the long term.
Read the <a href="/doc/go1.html">Go 1 Release Notes</a> for more information.
The r56 release was the first stable release and corresponds to
<code><a href="weekly.html#2011-03-07">weekly.2011-03-07.1</a></code>.
The numbering starts at 56 because before this release,
what we now consider weekly snapshots were called releases.
</p>
<p>
It is intended that programs written for Go 1 will continue to compile and run
correctly, unchanged, under future versions of Go 1.
Read the <a href="/doc/go1compat.html">Go 1 compatibility document</a> for more
about the future of Go 1.
</p>
<p>
The go1 release corresponds to
<code><a href="weekly.html#2012-03-27">weekly.2012-03-27</a></code>.
</p>
<h3 id="go1.minor">Minor revisions</h3>
<p>
go1.0.1 (released 2012/04/25) was issued to
<a href="//golang.org/cl/6061043">fix</a> an
<a href="//golang.org/issue/3545">escape analysis bug</a>
that can lead to memory corruption.
It also includes several minor code and documentation fixes.
</p>
<p>
go1.0.2 (released 2012/06/13) was issued to fix two bugs in the implementation
of maps using struct or array keys:
<a href="//golang.org/issue/3695">issue 3695</a> and
<a href="//golang.org/issue/3573">issue 3573</a>.
It also includes many minor code and documentation fixes.
</p>
<p>
go1.0.3 (released 2012/09/21) includes minor code and documentation fixes.
</p>
<p>
See the <a href="https://github.com/golang/go/commits/release-branch.go1">go1 release branch history</a> for the complete list of changes.
</p>
<h2 id="pre.go1">Older releases</h2>
<p>
See the <a href="pre_go1.html">Pre-Go 1 Release History</a> page for notes
on earlier releases.
</p>

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@@ -0,0 +1,135 @@
<!-- Roadmap -->
<h2 id="Roadmap">Go Roadmap</h2>
<p>
This page lists features and ideas being developed or discussed by the
Go team. This list will be updated as work continues.
<p>
The roadmap should be discussed on
the <a href="http://groups.google.com/group/golang-nuts">golang-nuts
mailing list</a>.
<h3 id="Language_roadmap">
Language roadmap</h3>
<p>
This is a list of language changes that are being considered.
Appearance on this list is no guarantee that the change will be
accepted.
<ul>
<li>
Possibly rewrite restriction on goto across variable declarations.
<li>
Variant types. A way to define a type as being the union of some set
of types.
<li>
Generics. An active topic of discussion.
<li>
Methods for operators, to allow a type to use arithmetic notation for
expressions.
<li>
Possibly allow top-level packages to be given names other than main.
</ul>
<h3 id="Implementation_roadmap">
Implementation roadmap</h3>
<ul>
<li>
Improved garbage collector.
<li>
Debugger.
<li>
Improved implementation documentation.
</ul>
<h4 id="Gc_roadmap">
Gc compiler roadmap</h4>
<ul>
<li>
Implement goto restrictions.
<li>
Improved optimization.
<li>
Use escape analysis to keep more data on stack.
</ul>
<h4 id="Gccgo_roadmap">
Gccgo compiler roadmap</h4>
<ul>
<li>
Implement goto restrictions.
<li>
Use goroutines rather than threads.
<li>
Separate gcc interface from frontend proper.
<li>
Use escape analysis to keep more data on stack.
</ul>
<h4 id="Tools_roadmap">
Tools roadmap</h4>
<ul>
<li>
Strengthen goinstall until it can displace make for most builds.
</ul>
<h4 id="Packages_roadmap">
Packages roadmap</h4>
<ul>
<li>
Faster, RE2-like regular expressions.
<li>
Comprehensive support for international text.
<li>
Support for international dates, times, etc.
<li>
Support for multilingual messages.
</ul>
<h3 id="done">Done</h3>
<ul>
<li>
gc: Generate DWARF debug info.
<li>
gc: Provide gdb support for runtime facilities.
<li>
Safe compilation mode: generate code that is guaranteed not to obtain an invalid memory address other than via <code>import "unsafe"</code>.
<li>
Gccgo: garbage collection.
<li>
SWIG support.
<li>
Simpler semicolon rules.
<li>
A more general definition of <code>...</code> in parameter lists.
<li>
Explicit conversions from <code>string</code>
to <code>[]byte</code> and <code>[]int</code>.
<li>
A function that will be run by the garbage collector when an item is freed
(runtime.SetFinalizer).
<li>
Public continuous build and benchmark infrastructure (gobuilder).
<li>
Package manager (goinstall).
<li>
A means of recovering from a panic (recover).
<li>
5g: Better floating point support.
<li>
Improved CGO including some mechanism for calling back from C to Go.
<li>
Faster, allocation-light reflection.
<li>
App Engine support.
</ul>

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<!--{
"Title": "Documentation",
"Path": "/doc/"
}-->
<p>
The Go programming language is an open source project to make programmers more
productive.
</p>
<p>
Go is expressive, concise, clean, and efficient. Its concurrency
mechanisms make it easy to write programs that get the most out of multicore
and networked machines, while its novel type system enables flexible and
modular program construction. Go compiles quickly to machine code yet has the
convenience of garbage collection and the power of run-time reflection. It's a
fast, statically typed, compiled language that feels like a dynamically typed,
interpreted language.
</p>
<div id="manual-nav"></div>
<h2>Installing Go</h2>
<h3><a href="/doc/install">Getting Started</a></h3>
<p>
Instructions for downloading and installing the Go compilers, tools, and
libraries.
</p>
<!-- title Documentation -->
<div class="left-column">
<h2 id="learning">Learning Go</h2>
<img class="gopher" src="/doc/gopher/doc.png"/>
<p>
If you're new to Go, we recommend you work through the
<a href="go_tutorial.html">tutorial</a>. The
<a href="go_spec.html">language specification</a> has all the details should
you want to explore.
</p>
<p>
Once you've learned a little about the language,
<a href="effective_go.html">Effective Go</a> will help you learn the style and
idioms of programming in Go.
</p>
<h3 id="go_tour"><a href="//tour.golang.org/">A Tour of Go</a></h3>
<h3 id="go_tour"><a href="http://go-tour.appspot.com/">A Tour of Go</a></h3>
<p>
An interactive introduction to Go in three sections.
The first section covers basic syntax and data structures; the second discusses
methods and interfaces; and the third introduces Go's concurrency primitives.
Each section concludes with a few exercises so you can practice what you've
learned. You can <a href="//tour.golang.org/">take the tour online</a> or
install it locally with:
</p>
<p>
<pre>
$ go get golang.org/x/tour/gotour
</pre>
This will place the <code>gotour</code> binary in your workspace's <code>bin</code> directory.
learned. You can <a href="http://go-tour.appspot.com/">take the tour online</a> or
<a href="http://code.google.com/p/go-tour/">install it locally</a>.
</p>
<h3 id="code"><a href="code.html">How to write Go code</a></h3>
<h3 id="orig_tutorial"><a href="go_tutorial.html">A Tutorial for the Go Programming Language</a></h3>
<p>
Also available as a
<a href="//www.youtube.com/watch?v=XCsL89YtqCs">screencast</a>, this doc
explains how to use the <a href="/cmd/go/">go command</a> to fetch, build, and
install packages, commands, and run tests.
The first tutorial. An introductory text that touches upon several core
concepts: syntax, types, allocation, constants, I/O, sorting, printing,
goroutines, and channels.
</p>
<h3 id="course_notes">Course Notes</h3>
<p>
Slides from a 3-day course about the Go programming language.
A more thorough introduction than the tutorial.
</p>
<ul>
<li><a href="GoCourseDay1.pdf">Day 1: Basics</a> <small>[270KB PDF]</small></li>
<li><a href="GoCourseDay2.pdf">Day 2: Types, Methods, Interfaces</a> <small>[270KB PDF]</small></li>
<li><a href="GoCourseDay3.pdf">Day 3: Concurrency and Communication</a> <small>[180KB PDF]</small></li>
</ul>
<h3 id="effective_go"><a href="effective_go.html">Effective Go</a></h3>
<p>
A document that gives tips for writing clear, idiomatic Go code.
A must read for any new Go programmer. It augments the tour and
A must read for any new Go programmer. It augments the tutorial and
the language specification, both of which should be read first.
</p>
<h3 id="faq"><a href="/doc/faq">Frequently Asked Questions (FAQ)</a></h3>
<h3 id="go_faq"><a href="go_faq.html">Frequently Asked Questions (FAQ)</a></h3>
<p>
Answers to common questions about Go.
</p>
<h3 id="wiki"><a href="/wiki">The Go Wiki</a></h3>
<p>A wiki maintained by the Go community.</p>
<h4 id="learn_more">More</h4>
<h3 id="code"><a href="code.html">How to write Go code</a></h3>
<p>
See the <a href="/wiki/Learn">Learn</a> page at the <a href="/wiki">Wiki</a>
for more Go learning resources.
How to write a new package and how to test code.
</p>
<h3 id="codelab_wiki"><a href="codelab/wiki/">Codelab: Writing Web Applications</a></h3>
<p>
This codelab takes the reader through the creation of a simple wiki web
application. It touches on structs, methods, file I/O, http, regular expressions,
and closures.
</p>
<h2 id="references">References</h2>
<h3 id="codewalks"><a href="codewalk/">Codewalks</a></h3>
<p>
Guided tours of Go programs.
</p>
<ul>
<li><a href="/doc/codewalk/functions">First-Class Functions in Go</a></li>
<li><a href="/doc/codewalk/markov">Generating arbitrary text: a Markov chain algorithm</a></li>
<li><a href="/doc/codewalk/sharemem">Share Memory by Communicating</a></li>
</ul>
<h3 id="go_for_cpp_programmers"><a href="go_for_cpp_programmers.html">Go for C++ Programmers</a></h3>
<p>
An introduction to Go for C++ programmers.
</p>
<h2 id="articles">Go Articles</h2>
<p>
Notable articles from the <a href="http://blog.golang.org/">Go Blog</a>.
</p>
<h3>Language</h3>
<ul>
<li><a href="http://blog.golang.org/2010/04/json-rpc-tale-of-interfaces.html">JSON-RPC: a tale of interfaces</a></li>
<li><a href="http://blog.golang.org/2010/07/gos-declaration-syntax.html">Go's Declaration Syntax</a></li>
<li><a href="http://blog.golang.org/2010/08/defer-panic-and-recover.html">Defer, Panic, and Recover</a></li>
<li><a href="http://blog.golang.org/2010/09/go-concurrency-patterns-timing-out-and.html">Go Concurrency Patterns: Timing out, moving on</a></li>
<li><a href="http://blog.golang.org/2011/01/go-slices-usage-and-internals.html">Go Slices: usage and internals</a></li>
<li><a href="http://blog.golang.org/2011/05/gif-decoder-exercise-in-go-interfaces.html">A GIF decoder: an exercise in Go interfaces</a></li>
<li><a href="http://blog.golang.org/2011/07/error-handling-and-go.html">Error Handling and Go</a></li>
</ul>
<h3>Packages</h3>
<ul>
<li><a href="http://blog.golang.org/2011/01/json-and-go.html">JSON and Go</a> - using the <a href="/pkg/json/">json</a> package.</li>
<li><a href="http://blog.golang.org/2011/03/gobs-of-data.html">Gobs of data</a> - the design and use of the <a href="/pkg/gob/">gob</a> package.</li>
<li><a href="http://blog.golang.org/2011/09/laws-of-reflection.html">The Laws of Reflection</a> - the fundamentals of the <a href="/pkg/reflect/">reflect</a> package.</li>
<li><a href="http://blog.golang.org/2011/09/go-image-package.html">The Go image package</a> - the fundamentals of the <a href="/pkg/image/">image</a> package.</li>
<li><a href="http://blog.golang.org/2011/09/go-imagedraw-package.html">The Go image/draw package</a> - the fundamentals of the <a href="/pkg/image/draw/">image/draw</a> package.</li>
</ul>
<h3>Tools</h3>
<ul>
<li><a href="http://blog.golang.org/2011/03/c-go-cgo.html">C? Go? Cgo!</a> - linking against C code with <a href="/cmd/cgo/">cgo</a>.</li>
<li><a href="http://blog.golang.org/2011/03/godoc-documenting-go-code.html">Godoc: documenting Go code</a> - writing good documentation for <a href="/cmd/godoc/">godoc</a>.</li>
<li><a href="http://blog.golang.org/2011/06/profiling-go-programs.html">Profiling Go Programs</a></li>
</ul>
<h2 id="tutorials_nonenglish">Non-English Documentation</h2>
<h3 id="docs_be">Belarusian &mdash; Беларуская</h3>
<ul>
<li><a href="http://www.designcontest.com/show/faq-be">faq-be</a> - Frequently Asked Questions.</li>
</ul>
<h3 id="docs_cn">Chinese &mdash; 中文</h3>
<ul>
<li><a href="http://code.google.com/p/golang-china/">golang-china</a> - a broad range of Go documentation.</li>
<li><a href="http://code.google.com/p/ac-me/downloads/detail?name=fango.pdf">Effective Go and Tutorial</a></li>
</ul>
<h3 id="docs_de">German &mdash; Deutsch</h3>
<ul>
<li><a href="http://bitloeffel.de/DOC/golang/go_tutorial_de.html">Eine Anleitung zum Programmieren in Go</a> - the Go Tutorial.</li>
<li><a href="http://bitloeffel.de/DOC/golang/effective_go_de.html">Wirkungsvoll Go programmieren</a> - Effective Go.</li>
<li><a href="http://bitloeffel.de/DOC/golang/code_de.html">Wie man Go-Kode schreibt</a> - How to Write Go Code.</li>
</ul>
<h3 id="docs_jp">Japanese &mdash; 日本語</h3>
<ul>
<li><a href="http://golang.jp/">golang.jp</a> - Go documentation and news.
</ul>
<h3 id="docs_kr">Korean &mdash; 한국어</h3>
<ul>
<li><a href="http://code.google.com/p/golang-korea">golang-korea</a> - Go documentation and news.
</ul>
<h3 id="docs_ru">Russian &mdash; Русский</h3>
<ul>
<li><a href="http://golanguage.ru/">golanguage.ru</a> - Go documentation.
</ul>
</div>
<div class="right-column">
<h2 id="References">References</h2>
<p>Keep these under your pillow.</p>
<h3 id="pkg"><a href="/pkg/">Package Documentation</a></h3>
<p>
The documentation for the Go standard library.
The built-in documentation for the Go standard library.
</p>
<h3 id="cmd"><a href="/doc/cmd">Command Documentation</a></h3>
<h3 id="cmd"><a href="/cmd/">Command Documentation</a></h3>
<p>
The documentation for the Go tools.
The built-in documentation for the Go tools.
</p>
<h3 id="spec"><a href="/ref/spec">Language Specification</a></h3>
<h3 id="spec"><a href="go_spec.html">Language Specification</a></h3>
<p>
The official Go Language specification.
The official Go Language specification.
</p>
<h3 id="go_mem"><a href="/ref/mem">The Go Memory Model</a></h3>
<h3 id="release"><a href="devel/release.html">Release History</a></h3>
<p>A summary of the changes between Go releases.</p>
<h3 id="go_mem"><a href="go_mem.html">The Go Memory Model</a></h3>
<p>
A document that specifies the conditions under which reads of a variable in
one goroutine can be guaranteed to observe values produced by writes to the
same variable in a different goroutine.
</p>
<h3 id="release"><a href="/doc/devel/release.html">Release History</a></h3>
<p>A summary of the changes between Go releases.</p>
<h2 id="articles">Articles</h2>
<h3 id="blog"><a href="//blog.golang.org/">The Go Blog</a></h3>
<p>The official blog of the Go project, featuring news and in-depth articles by
the Go team and guests.</p>
<h4>Codewalks</h4>
<h3 id="debugging_with_gdb"><a href="debugging_with_gdb.html">Debugging Go Code with GDB</a></h3>
<p>
Guided tours of Go programs.
Using GDB to debug Go programs.
</p>
<h2 id="videos_talks">Videos and Talks</h2>
<h3 id="writing_web_apps"><a href="http://www.youtube.com/watch?v=-i0hat7pdpk">Writing Web Apps in Go</a></h3>
<p>
A talk by Rob Pike and Andrew Gerrand presented at Google I/O 2011.
It walks through the construction and deployment of a simple web application
and unveils the <a href="http://blog.golang.org/2011/05/go-and-google-app-engine.html">Go runtime for App Engine</a>.
See the <a href="/doc/talks/io2011/Writing_Web_Apps_in_Go.pdf">presentation slides</a>.
</p>
<h3 id="real_world_go"><a href="http://www.youtube.com/watch?v=7QDVRowyUQA">Real World Go</a></h3>
<p>
A talk by Andrew Gerrand presented at Google I/O Bootcamp 2011.
It gives a broad overview of Go's type system and concurrency model
and provides four examples of Go programs that solve real problems.
See the <a href="/doc/talks/io2011/Real_World_Go.pdf">presentation slides</a>.
</p>
<h3 id="go_programming"><a href="http://www.youtube.com/watch?v=jgVhBThJdXc">Go Programming</a></h3>
<p>
A presentation delivered by Rob Pike and Russ Cox at Google I/O 2010. It
illustrates how programming in Go differs from other languages through a set of
examples demonstrating features particular to Go. These include concurrency,
embedded types, methods on any type, and program construction using interfaces.
</p>
<h3 id="practical_go_programming"><a href="http://osdc.blip.tv/file/4432146/">Practical Go Programming</a></h3>
<p>
This talk presents the development of a complete web application in Go.
It looks at design, storage, concurrency, and scaling issues in detail, using
the simple example of an URL shortening service.
See the <a href="http://wh3rd.net/practical-go/">presentation slides</a>.
</p>
<h3 id="techtalk"><a href="http://www.youtube.com/watch?v=rKnDgT73v8s">The Go Tech Talk</a></h3>
<p>
An hour-long talk delivered by Rob Pike at Google in October 2009.
The language's first public introduction. (See the <a href="talks/go_talk-20091030.pdf">slides in PDF format</a>.) The language has changed since it was made,
but it's still a good introduction.
</p>
<h3 id="gocoding_channel"><a href="http://www.youtube.com/gocoding">gocoding YouTube Channel</a></h3>
<p>
A YouTube channel that includes screencasts and other Go-related videos:
</p>
<ul>
<li><a href="/doc/codewalk/functions">First-Class Functions in Go</a></li>
<li><a href="/doc/codewalk/markov">Generating arbitrary text: a Markov chain algorithm</a></li>
<li><a href="/doc/codewalk/sharemem">Share Memory by Communicating</a></li>
<li><a href="/doc/articles/wiki/">Writing Web Applications</a> - building a simple web application.</li>
<li><a href="http://www.youtube.com/gocoding#p/u/0/jDWBJOXs_iI">Screencast: Writing Go Packages</a> - writing, building, and distributing Go packages.</li>
<li><a href="http://www.youtube.com/watch?v=3brH0zOqm0w">Screencast: Testing Go Packages</a> - writing unit tests and benchmarking Go packages.</li>
</ul>
<h4>Language</h4>
<ul>
<li><a href="/blog/json-rpc-tale-of-interfaces">JSON-RPC: a tale of interfaces</a></li>
<li><a href="/blog/gos-declaration-syntax">Go's Declaration Syntax</a></li>
<li><a href="/blog/defer-panic-and-recover">Defer, Panic, and Recover</a></li>
<li><a href="/blog/go-concurrency-patterns-timing-out-and">Go Concurrency Patterns: Timing out, moving on</a></li>
<li><a href="/blog/go-slices-usage-and-internals">Go Slices: usage and internals</a></li>
<li><a href="/blog/gif-decoder-exercise-in-go-interfaces">A GIF decoder: an exercise in Go interfaces</a></li>
<li><a href="/blog/error-handling-and-go">Error Handling and Go</a></li>
<li><a href="/blog/organizing-go-code">Organizing Go code</a></li>
</ul>
<h4>Packages</h4>
<ul>
<li><a href="/blog/json-and-go">JSON and Go</a> - using the <a href="/pkg/encoding/json/">json</a> package.</li>
<li><a href="/blog/gobs-of-data">Gobs of data</a> - the design and use of the <a href="/pkg/encoding/gob/">gob</a> package.</li>
<li><a href="/blog/laws-of-reflection">The Laws of Reflection</a> - the fundamentals of the <a href="/pkg/reflect/">reflect</a> package.</li>
<li><a href="/blog/go-image-package">The Go image package</a> - the fundamentals of the <a href="/pkg/image/">image</a> package.</li>
<li><a href="/blog/go-imagedraw-package">The Go image/draw package</a> - the fundamentals of the <a href="/pkg/image/draw/">image/draw</a> package.</li>
</ul>
<h4>Tools</h4>
<ul>
<li><a href="/doc/articles/go_command.html">About the Go command</a> - why we wrote it, what it is, what it's not, and how to use it.</li>
<li><a href="/blog/c-go-cgo">C? Go? Cgo!</a> - linking against C code with <a href="/cmd/cgo/">cgo</a>.</li>
<li><a href="/doc/gdb">Debugging Go Code with GDB</a></li>
<li><a href="/blog/godoc-documenting-go-code">Godoc: documenting Go code</a> - writing good documentation for <a href="/cmd/godoc/">godoc</a>.</li>
<li><a href="/blog/profiling-go-programs">Profiling Go Programs</a></li>
<li><a href="/doc/articles/race_detector.html">Data Race Detector</a> - a manual for the data race detector.</li>
<li><a href="/blog/race-detector">Introducing the Go Race Detector</a> - an introduction to the race detector.</li>
<li><a href="/doc/asm">A Quick Guide to Go's Assembler</a> - an introduction to the assembler used by Go.</li>
</ul>
<h4 id="articles_more">More</h4>
<h3 id="jaoo_go"><a href="/doc/ExpressivenessOfGo.pdf">The Expressiveness Of Go</a></h3>
<p>
See the <a href="/wiki/Articles">Articles page</a> at the
<a href="/wiki">Wiki</a> for more Go articles.
A discussion of the qualities that make Go an expressive and comprehensible
language. The talk was presented by Rob Pike at JAOO 2010.
The recording of the event was lost due to a hardware error.
</p>
<h2 id="talks">Talks</h2>
<img class="gopher" src="/doc/gopher/talks.png"/>
<h3 id="video_tour_of_go"><a href="http://research.swtch.com/gotour">A Video Tour of Go</a></h3>
<h3 id="oscon_go"><a href="http://www.oscon.com/oscon2010/public/schedule/detail/14760">Another Go at Language Design</a></h3>
<p>
Three things that make Go fast, fun, and productive:
interfaces, reflection, and concurrency. Builds a toy web crawler to
demonstrate these.
A tour, with some background, of the major features of Go, intended for
an audience new to the language. The talk was presented at OSCON 2010.
See the <a href="http://assets.en.oreilly.com/1/event/45/Another%20Go%20at%20Language%20Design%20Presentation.pdf">presentation slides</a>.
</p>
<p>
This talk was also delivered at Sydney University in September 2010. A video
of the lecture is available
<a href="http://sydney.edu.au/engineering/it/videos/seminar_pike">here</a>.
</p>
<h3 id="go_code_that_grows"><a href="//vimeo.com/53221560">Code that grows with grace</a></h3>
<h3 id="emerging_go"><a href="http://www.oscon.com/oscon2010/public/schedule/detail/15464">Go Emerging Languages Conference Talk</a></h3>
<p>
One of Go's key design goals is code adaptability; that it should be easy to take a simple design and build upon it in a clean and natural way. In this talk Andrew Gerrand describes a simple "chat roulette" server that matches pairs of incoming TCP connections, and then use Go's concurrency mechanisms, interfaces, and standard library to extend it with a web interface and other features. While the function of the program changes dramatically, Go's flexibility preserves the original design as it grows.
Rob Pike's Emerging Languages Conference presentation delivered in July 2010. See the <a href="http://assets.en.oreilly.com/1/event/45/Go%20Presentation.pdf">presentation slides</a>. Abstract:
</p>
<p><i>
Gos approach to concurrency differs from that of many languages, even those
(such as Erlang) that make concurrency central, yet it has deep roots. The path
from Hoares 1978 paper to Go provides insight into how and why Go works as it
does.
</i></p>
<h3 id="go_frontend_gcc"><a href="talks/gofrontend-gcc-summit-2010.pdf">The Go frontend for GCC</a></h3>
<p>
A description of the Go language frontend for gcc.
Ian Lance Taylor's paper delivered at the GCC Summit 2010.
</p>
<h3 id="go_concurrency_patterns"><a href="//www.youtube.com/watch?v=f6kdp27TYZs">Go Concurrency Patterns</a></h3>
<h3 id="promo_video"><a href="http://www.youtube.com/watch?v=wwoWei-GAPo">The Go Promo Video</a></h3>
<p>
Concurrency is the key to designing high performance network services. Go's concurrency primitives (goroutines and channels) provide a simple and efficient means of expressing concurrent execution. In this talk we see how tricky concurrency problems can be solved gracefully with simple Go code.
A short promotional video featuring Russ Cox demonstrating Go's fast compiler.
</p>
<h3 id="advanced_go_concurrency_patterns"><a href="//www.youtube.com/watch?v=QDDwwePbDtw">Advanced Go Concurrency Patterns</a></h3>
<p>
This talk expands on the <i>Go Concurrency Patterns</i> talk to dive deeper into Go's concurrency primitives.
</p>
</div>
<h4 id="talks_more">More</h4>
<p>
See the <a href="/talks">Go Talks site</a> and <a href="/wiki/GoTalks">wiki page</a> for more Go talks.
</p>
<h2 id="nonenglish">Non-English Documentation</h2>
<p>
See the <a href="/wiki/NonEnglish">NonEnglish</a> page
at the <a href="/wiki">Wiki</a> for localized
documentation.
</p>
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width: 150px;
margin-right: .30em;
margin-top: 1.2em;
}
#content-videos a.video .caption {
display: block;
text-align: center;
}
#content-videos a.video .caption.title {
margin-top: .31em;
font-weight: bold;
}
#content-blog ul {
margin-top: 1em;
margin-left: 0;
padding-left: 0;
}
#content-blog li {
list-style: none;
margin-bottom: 1em;
}
#content-blog li a {
color: #999;
text-decoration: none;
}
#content-blog .date {
color: #999;
font-size: 0.8em;
display: inline-block;
margin-left: 0.5em;
}
#content-blog li a:link .title {
color: #04a;
}
#content-blog li a:visited .title {
color: #04a;
}
#content-blog li a:hover .title {
color: #a40;
text-decoration: underline;
}
#content-blog li a:active .title {
color: #c00;
}
.navtop {
display: none !important;
}
.how {
float: right;
font-size: 75%;
}
.unsupported {
font-weight: bold;
color: red;
}

View File

@@ -1,112 +1,99 @@
<!--{
"Title": "Contributing to the gccgo frontend"
}-->
<!-- Contributing to the gccgo frontend -->
<h2>Introduction</h2>
<p>
These are some notes on contributing to the gccgo frontend for GCC.
For information on contributing to parts of Go other than gccgo,
see <a href="/doc/contribute.html">Contributing to the Go project</a>. For
information on building gccgo for yourself,
see <a href="/doc/gccgo_install.html">Setting up and using gccgo</a>.
For more of the gritty details on the process of doing development
with the gccgo frontend,
see <a href="https://go.googlesource.com/gofrontend/+/master/HACKING">the
file HACKING</a> in the gofrontend repository.
These are some notes on contributing to the <code>gccgo</code>
frontend for GCC. For information on contributing to parts of Go other
than <code>gccgo</code>, see <a href="contribute.html">Contributing to
the Go project</a>. For information on building <code>gccgo</code>
for yourself, see <a href="gccgo_install.html">Setting up and using
gccgo</a>.
</p>
<h2>Legal Prerequisites</h2>
<p>
You must follow the <a href="/doc/contribute.html#copyright">Go copyright
rules</a> for all changes to the gccgo frontend and the associated
libgo library. Code that is part of GCC rather than gccgo must follow
the general <a href="http://gcc.gnu.org/contribute.html">GCC
contribution rules</a>.
You must follow the <a href="contribute.html#copyright">Go copyright
rules.</a>
</p>
<h2>Code</h2>
<p>
The master sources for the gccgo frontend may be found at
<a href="http://go.googlesource.com/gofrontend">http://go.googlesource.com/gofrontend</a>.
They are mirrored
at <a href="http://github.com/golang/gofrontend">http://github.com/golang/gofrontend</a>.
The master sources are not buildable by themselves, but only in
conjunction with GCC (in the future, other compilers may be
supported). Changes made to the gccgo frontend are also applied to
the GCC source code repository hosted at <code>gcc.gnu.org</code>. In
the <code>gofrontend</code> repository, the <code>go</code> directory
is mirrored to the <code>gcc/go/gofrontend</code> directory in the GCC
repository, and the <code>gofrontend</code> <code>libgo</code>
directory is mirrored to the GCC <code>libgo</code> directory. In
addition, the <code>test</code> directory
from <a href="//go.googlesource.com/go">the main Go repository</a>
is mirrored to the <code>gcc/testsuite/go.test/test</code> directory
in the GCC repository.
The source code for the <code>gccgo</code> frontend may be found at
<a href="http://code.google.com/p/gofrontend">http://code.google.com/p/gofrontend</a>.
Changes made to that project are routinely merged into the source code
hosted at <code>gcc.gnu.org</code>. The <code>gofrontend</code>
project includes only the Go frontend proper. These are the files
which in the <code>gcc</code> sources may be found in the
directories <code>gcc/go</code> and <code>libgo</code>.
The <code>gcc</code> sources also include a copy of
the <code>test</code> directory
from <a href="http://code.google.com/p/go">the main Go repository</a>.
<p>
The frontend is written in C++ and as such the GNU coding standards do
not entirely apply; in writing code for the frontend, follow the
formatting of the surrounding code. Although the frontend is
currently closely tied to the rest of the <code>gcc</code> codebase,
we plan to make it more independent. Any new code that uses other
parts of <code>gcc</code> should be placed in an appropriate file,
such as <code>gogo-tree.cc</code>. Eventually
all <code>gcc</code>-specific code should migrate to
a <code>gcc-interface</code> subdirectory.
</p>
<p>
Changes to these directories always flow from the master sources to
the GCC repository. The files should never be changed in the GCC
repository except by changing them in the master sources and mirroring
them.
</p>
<p>
The gccgo frontend is written in C++.
It follows the GNU and GCC coding standards for C++.
In writing code for the frontend, follow the formatting of the
surrounding code.
Almost all GCC-specific code is not in the frontend proper and is
instead in the GCC sources in the <code>gcc/go</code> directory.
</p>
<p>
The run-time library for gccgo is mostly the same as the library
in <a href="//go.googlesource.com/go">the main Go repository</a>.
The library code in the Go repository is periodically merged into
the <code>libgo/go</code> directory of the <code>gofrontend</code> and
then the GCC repositories, using the shell
script <code>libgo/merge.sh</code>. Accordingly, most library changes
should be made in the main Go repository. The files outside
of <code>libgo/go</code> are gccgo-specific; that said, some of the
files in <code>libgo/runtime</code> are based on files
in <code>src/runtime</code> in the main Go repository.
The run-time library for <code>gccgo</code> is mostly the same as the
library in <a href="http://code.google.com/p/go">the main Go
repository</a>. The library code in the Go repository is periodically
copied into the <code>gofrontend</code> and the <code>gcc</code>
repositories. Accordingly, most library changes should be made in the
main Go repository. Changes to the few <code>gccgo</code>-specific
parts of the library should follow the process described here.
The <code>gccgo</code>-specific parts of the library are everything in
the <code>libgo</code> directory except for the <code>libgo/go</code>
subdirectory.
</p>
<h2>Testing</h2>
<p>
All patches must be tested. A patch that introduces new failures is
not acceptable.
All patches must be tested. There are two test suites. A patch that
introduces new failures is not acceptable.
</p>
<p>
To run the gccgo test suite, run <code>make check-go</code> in your
build directory. This will run various tests
under <code>gcc/testsuite/go.*</code> and will also run
the <code>libgo</code> testsuite. This copy of the tests from the
main Go repository is run using the DejaGNU script found
in <code>gcc/testsuite/go.test/go-test.exp</code>.
To run the compiler test suite, run <code>make check-go</code> in the
<code>gcc</code> subdirectory of your build directory. This will run
various tests underneath <code>gcc/testsuite/go.*</code>. This
includes a copy of the tests in the main Go repository, which are run
using the DejaGNU script found in
in <code>gcc/testsuite/go.test/go-test.exp</code>. Many of the
compiler tests may be run without the Go library, but some do require
the library to built first.
</p>
<p>
Most new tests should be submitted to the main Go repository for later
mirroring into the GCC repository. If there is a need for specific
tests for gccgo, they should go in
To run the library test suite, run <code>make
check-target-libgo</code> in the top level of your build directory.
</p>
<p>
Most new tests should be submitted to the main Go repository for
copying into the <code>gccgo</code> repository. If there is a need
for specific tests for <code>gccgo</code>, they should go in
the <code>gcc/testsuite/go.go-torture</code>
or <code>gcc/testsuite/go.dg</code> directories in the GCC repository.
or <code>gcc/testsuite/go.dg</code> directories in
the <code>gcc.gnu.org</code> repository.
</p>
<h2>Submitting Changes</h2>
<p>
Changes to the Go frontend should follow the same process as for the
main Go repository, only for the <code>gofrontend</code> project and
the <code>gofrontend-dev@googlegroups.com</code> mailing list
rather than the <code>go</code> project and the
<code>golang-dev@googlegroups.com</code> mailing list. Those changes
will then be merged into the GCC sources.
main Go repository, only for the <code>gofrontend</code> project
rather than the <code>go</code> project. Those changes will then be
merged into the <code>gcc</code> sources.
</p>

View File

@@ -1,90 +1,37 @@
<!--{
"Title": "Setting up and using gccgo",
"Path": "/doc/install/gccgo"
}-->
<!-- Setting up and using gccgo -->
<p>
This document explains how to use gccgo, a compiler for
the Go language. The gccgo compiler is a new frontend
for GCC, the widely used GNU compiler. Although the
frontend itself is under a BSD-style license, gccgo is
normally used as part of GCC and is then covered by
This document explains how to use <code>gccgo</code>, a compiler for
the Go language. The <code>gccgo</code> compiler is a new frontend
for <code>gcc</code>, the widely used GNU compiler. Although the
frontend itself is under a BSD-style license, <code>gccgo</code> is
normally used as part of <code>gcc</code> and is then covered by
the <a href="http://www.gnu.org/licenses/gpl.html">GNU General Public
License</a> (the license covers gccgo itself as part of GCC; it
does not cover code generated by gccgo).
License</a>.
</p>
<p>
Note that gccgo is not the <code>gc</code> compiler; see
the <a href="/doc/install.html">Installing Go</a> instructions for that
Note that <code>gccgo</code> is not the <code>6g</code> compiler; see
the <a href="install.html">Installing Go</a> instructions for that
compiler.
</p>
<h2 id="Releases">Releases</h2>
<p>
The simplest way to install gccgo is to install a GCC binary release
built to include Go support. GCC binary releases are available from
<a href="http://gcc.gnu.org/install/binaries.html">various
websites</a> and are typically included as part of GNU/Linux
distributions. We expect that most people who build these binaries
will include Go support.
</p>
<p>
The GCC 4.7.1 release and all later 4.7 releases include a complete
<a href="/doc/go1.html">Go 1</a> compiler and libraries.
</p>
<p>
Due to timing, the GCC 4.8.0 and 4.8.1 releases are close to but not
identical to Go 1.1. The GCC 4.8.2 release includes a complete Go
1.1.2 implementation.
</p>
<p>
The GCC 4.9 releases include a complete Go 1.2 implementation.
</p>
<p>
The GCC 5 releases include a complete implementation of the Go 1.4
user libraries. The Go 1.4 runtime is not fully merged, but that
should not be visible to Go programs.
</p>
<p>
The GCC 6 releases include a complete implementation of the Go 1.6.1
user libraries. The Go 1.6 runtime is not fully merged, but that
should not be visible to Go programs.
</p>
<p>
The GCC 7 releases are expected to include a complete implementation
of the Go 1.8 user libraries. As with earlier releases, the Go 1.8
runtime is not fully merged, but that should not be visible to Go
programs.
</p>
<h2 id="Source_code">Source code</h2>
<p>
If you cannot use a release, or prefer to build gccgo for
yourself,
the gccgo source code is accessible via Subversion. The
GCC web site
The <code>gccgo</code> source code is accessible via Subversion. The
<code>gcc</code> web site
has <a href="http://gcc.gnu.org/svn.html">instructions for getting the
GCC source code</a>. The gccgo source code is included. As a
convenience, a stable version of the Go support is available in
a branch of the main GCC code
<code>gcc</code> source code</a>. The <code>gccgo</code> source code
is a branch of the main <code>gcc</code> code
repository: <code>svn://gcc.gnu.org/svn/gcc/branches/gccgo</code>.
This branch is periodically updated with stable Go compiler sources.
</p>
<p>
Note that although <code>gcc.gnu.org</code> is the most convenient way
to get the source code for the Go frontend, it is not where the master
sources live. If you want to contribute changes to the Go frontend
compiler, see <a href="/doc/gccgo_contribute.html">Contributing to
to get the source code for the compiler, that is not where the master
sources live. If you want to contribute changes to the gccgo
compiler, see <a href="gccgo_contribute.html">Contributing to
gccgo</a>.
</p>
@@ -92,37 +39,29 @@ gccgo</a>.
<h2 id="Building">Building</h2>
<p>
Building gccgo is just like building GCC
Building <code>gccgo</code> is just like building <code>gcc</code>
with one or two additional options. See
the <a href="http://gcc.gnu.org/install/">instructions on the gcc web
site</a>. When you run <code>configure</code>, add the
option <code>--enable-languages=c,c++,go</code> (along with other
languages you may want to build). If you are targeting a 32-bit x86,
then you will want to build gccgo to default to
then you will want to build <code>gccgo</code> to default to
supporting locked compare and exchange instructions; do this by also
using the <code>configure</code> option <code>--with-arch=i586</code>
(or a newer architecture, depending on where you need your programs to
run). If you are targeting a 64-bit x86, but sometimes want to use
the <code>-m32</code> option, then use the <code>configure</code>
option <code>--with-arch-32=i586</code>.
run).
</p>
<h3 id="Gold">Gold</h3>
<p>
On x86 GNU/Linux systems the gccgo compiler is able to
On x86 GNU/Linux systems the <code>gccgo</code> compiler is able to
use a small discontiguous stack for goroutines. This permits programs
to run many more goroutines, since each goroutine can use a relatively
small stack. Doing this requires using the gold linker version 2.22
or later. You can either install GNU binutils 2.22 or later, or you
can build gold yourself.
</p>
<p>
To build gold yourself, build the GNU binutils,
using <code>--enable-gold=default</code> when you run
the <code>configure</code> script. Before building, you must install
the flex and bison packages. A typical sequence would look like
small stack. Doing this requires using a development version of
the <code>gold</code> linker. The easiest way to do this is to build
the GNU binutils, using <code>--enable-gold</code> when you run
the <code>configure</code> script, and to
use <code>--with-ld=GOLD_BINARY</code> when you
configure <code>gccgo</code>. A typical sequence would look like
this (you can replace <code>/opt/gold</code> with any directory to
which you have write access):
</p>
@@ -130,45 +69,27 @@ which you have write access):
<pre>
cvs -z 9 -d :pserver:anoncvs@sourceware.org:/cvs/src login
[password is "anoncvs"]
[The next command will create a directory named src, not binutils]
cvs -z 9 -d :pserver:anoncvs@sourceware.org:/cvs/src co binutils
mkdir binutils-objdir
cd binutils-objdir
../src/configure --enable-gold=default --prefix=/opt/gold
../src/configure --enable-gold --prefix=/opt/gold
make
make install
</pre>
<p>
However you install gold, when you configure gccgo, use the
option <code>--with-ld=<var>GOLD_BINARY</var></code>.
</p>
<h3 id="Prerequisites">Prerequisites</h3>
<p>
A number of prerequisites are required to build GCC, as
described on
the <a href="http://gcc.gnu.org/install/prerequisites.html">gcc web
site</a>. It is important to install all the prerequisites before
running the gcc <code>configure</code> script.
The prerequisite libraries can be conveniently downloaded using the
script <code>contrib/download_prerequisites</code> in the GCC sources.
<h3 id="Build_commands">Build commands</h3>
<p>
Once all the prerequisites are installed, then a typical build and
install sequence would look like this (only use
the <code>--with-ld</code> option if you are using the gold linker as
described above):
A number of prerequisites are required to build <code>gcc</code>, as
described on the <a href="http://gcc.gnu.org/">gcc web site</a>. If
those are all available, then a typical build and install sequence
would look like this (only use the <code>--with-ld</code> option if
you built and installed the gold linker as described above):
</p>
<pre>
svn checkout svn://gcc.gnu.org/svn/gcc/branches/gccgo gccgo
mkdir objdir
cd objdir
../gccgo/configure --prefix=/opt/gccgo --enable-languages=c,c++,go --with-ld=/opt/gold/bin/ld
../gccgo/configure --enable-languages=c,c++,go --with-ld=/opt/gold/bin/ld
make
make install
</pre>
@@ -176,15 +97,10 @@ make install
<h2 id="Using_gccgo">Using gccgo</h2>
<p>
The gccgo compiler works like other gcc frontends. As of GCC 5 the gccgo
installation also includes a version of the <code>go</code> command,
which may be used to build Go programs as described at
<a href="https://golang.org/cmd/go">https://golang.org/cmd/go</a>.
</p>
The <code>gccgo</code> compiler works like other gcc frontends.
<p>
To compile a file without using the <code>go</code> command:
</p>
To compile a file:
<pre>
gccgo -c file.go
@@ -193,7 +109,6 @@ gccgo -c file.go
<p>
That produces <code>file.o</code>. To link files together to form an
executable:
</p>
<pre>
gccgo -o file file.o
@@ -201,135 +116,103 @@ gccgo -o file file.o
<p>
To run the resulting file, you will need to tell the program where to
find the compiled Go packages. There are a few ways to do this:
</p>
<ul>
<li>
<p>
Set the <code>LD_LIBRARY_PATH</code> environment variable:
</p>
find the compiled Go packages. This can be done either by setting
<code>LD_LIBRARY_PATH</code> in your environment:
<pre>
LD_LIBRARY_PATH=${prefix}/lib/gcc/MACHINE/VERSION
[or]
LD_LIBRARY_PATH=${prefix}/lib64/gcc/MACHINE/VERSION
export LD_LIBRARY_PATH
LD_LIBRARY_PATH=/usr/lib/gcc/MACHINE/VERSION
</pre>
<p>
Here <code>${prefix}</code> is the <code>--prefix</code> option used
when building gccgo. For a binary install this is
normally <code>/usr</code>. Whether to use <code>lib</code>
or <code>lib64</code> depends on the target.
Typically <code>lib64</code> is correct for x86_64 systems,
and <code>lib</code> is correct for other systems. The idea is to
name the directory where <code>libgo.so</code> is found.
</p>
</li>
<li>
<p>
Passing a <code>-Wl,-R</code> option when you link (replace lib with
lib64 if appropriate for your system):
</p>
or by passing a <code>-Wl,-R</code> option when you link:
<pre>
go build -gccgoflags -Wl,-R,${prefix}/lib/gcc/MACHINE/VERSION
[or]
gccgo -o file file.o -Wl,-R,${prefix}/lib/gcc/MACHINE/VERSION
gccgo -o file file.o -Wl,-R,/usr/lib/gcc/MACHINE/VERSION
</pre>
</li>
<li>
<p>
Use the <code>-static-libgo</code> option to link statically against
the compiled packages.
</p>
</li>
or you can use the <code>-static-libgo</code> link-time option to link
statically against libgo, or you can do a fully static link (static
linking is the default for the <code>6l</code> Go linker). On most
systems, a static link will look something like:
<pre>
gccgo -o file file.o -static -L /usr/lib/nptl -lgobegin -lgo -lpthread
</pre>
<li>
<p>
Use the <code>-static</code> option to do a fully static link (the
default for the <code>gc</code> compiler).
</p>
</li>
</ul>
You may get a warning about not creating an <code>.eh_frame_hdr</code>
section; this has nothing to do with Go, and may be ignored. In the
future the requirement of explicitly specifying
<code>-L /usr/lib/nptl -lgobegin -lgo -lpthread</code>
may be removed.
<h2 id="Options">Options</h2>
<p>
The gccgo compiler supports all GCC options
The <code>gccgo</code> compiler supports all <code>gcc</code> options
that are language independent, notably the <code>-O</code>
and <code>-g</code> options.
</p>
<p>
The <code>-fgo-pkgpath=PKGPATH</code> option may be used to set a
unique prefix for the package being compiled.
This option is automatically used by the go command, but you may want
to use it if you invoke gccgo directly.
This option is intended for use with large
programs that contain many packages, in order to allow multiple
packages to use the same identifier as the package name.
The <code>PKGPATH</code> may be any string; a good choice for the
string is the path used to import the package.
</p>
The <code>-fgo-prefix=PREFIX</code> option may be used to set a unique
prefix for the package being compiled. This option is intended for
use with large programs that contain many packages, in order to allow
multiple packages to use the same identifier as the package name.
The <code>PREFIX</code> may be any string; a good choice for the
string is the directory where the package will be installed.
<p>
The <code>-fno-require-return-statement</code> option may be used to
disable the compiler error about functions missing return statements.
Note that there is no way to disable this error in <code>6g</code>.
<p>
The <code>-I</code> and <code>-L</code> options, which are synonyms
for the compiler, may be used to set the search path for finding
imports.
These options are not needed if you build with the go command.
</p>
<h2 id="Imports">Imports</h2>
<p>
When you compile a file that exports something, the export
information will be stored directly in the object file.
If you build with gccgo directly, rather than with the go command,
then when you import a package, you must tell gccgo how to find the
file.
</p>
When you compile a file which exports something, the export
information will be stored directly in the object file. When
you import a package, you must tell <code>gccgo</code> how to
find the file.
<p>
When you import the package <var>FILE</var> with gccgo,
When you import the package <var>FILE</var> with <code>gccgo</code>,
it will look for the import data in the following files, and use the
first one that it finds.
<ul>
<li><code><var>FILE</var>.gox</code>
<li><code><var>FILE</var>.o</code>
<li><code>lib<var>FILE</var>.so</code>
<li><code>lib<var>FILE</var>.a</code>
<li><code><var>FILE</var>.o</code>
</ul>
<p>
<code><var>FILE</var>.gox</code>, when used, will typically contain
nothing but export data. This can be generated from
<code><var>FILE</var>.o</code> via
</p>
<pre>
objcopy -j .go_export FILE.o FILE.gox
</pre>
<p>
The gccgo compiler will look in the current
directory for import files. In more complex scenarios you
The <code>gccgo</code> compiler will look in the current
directory for import files. In more complex scenarios you
may pass the <code>-I</code> or <code>-L</code> option to
gccgo. Both options take directories to search. The
<code>gccgo</code>. Both options take directories to search. The
<code>-L</code> option is also passed to the linker.
</p>
<p>
The gccgo compiler does not currently (2015-06-15) record
The <code>gccgo</code> compiler does not currently (2009-11-06) record
the file name of imported packages in the object file. You must
arrange for the imported data to be linked into the program.
Again, this is not necessary when building with the go command.
</p>
<pre>
gccgo -c mypackage.go # Exports mypackage
@@ -337,49 +220,53 @@ gccgo -c main.go # Imports mypackage
gccgo -o main main.o mypackage.o # Explicitly links with mypackage.o
</pre>
<h2 id="Unimplemented">Unimplemented</h2>
<p>
Some Go features are not yet implemented in <code>gccgo</code>. As of
2010-08-23, the following are not implemented:
<ul>
<li>goroutines are implemented as NPTL threads. If you can not use
the gold linker as described above, they are created with a fixed
stack size, and the number of goroutines that may be created at
one time is limited.
</ul>
<h2 id="Debugging">Debugging</h2>
<p>
If you use the <code>-g</code> option when you compile, you can run
<code>gdb</code> on your executable. The debugger has only limited
knowledge about Go. You can set breakpoints, single-step,
<code>gdb</code> on your executable. The debugger doesn't (yet)
know anything about Go. However, you can set breakpoints, single-step,
etc. You can print variables, but they will be printed as though they
had C/C++ types. For numeric types this doesn't matter. Go strings
and interfaces will show up as two-element structures. Go
maps and channels are always represented as C pointers to run-time
structures.
</p>
had C/C++ types. For numeric types this doesn't matter. Go strings
will show up as pointers to structures; to see the value
<code>print *stringvar</code>. In general Go strings, maps, channels
and interfaces are always represented as C pointers.
<h2 id="C_Interoperability">C Interoperability</h2>
<p>
When using gccgo there is limited interoperability with C,
When using <code>gccgo</code> there is limited interoperability with C,
or with C++ code compiled using <code>extern "C"</code>.
</p>
<h3 id="Types">Types</h3>
<p>
Basic types map directly: an <code>int32</code> in Go is
an <code>int32_t</code> in C, an <code>int64</code> is
an <code>int64_t</code>, etc.
The Go type <code>int</code> is an integer that is the same size as a
pointer, and as such corresponds to the C type <code>intptr_t</code>.
Go <code>byte</code> is equivalent to C <code>unsigned char</code>.
Pointers in Go are pointers in C.
A Go <code>struct</code> is the same as C <code>struct</code> with the
same fields and types.
</p>
Basic types map directly: an <code>int</code> in Go is an <code>int</code>
in C, etc. Go <code>byte</code> is equivalent to C <code>unsigned char</code>.
Pointers in Go are pointers in C. A Go <code>struct</code> is the same as C
<code>struct</code> with the same fields and types.
<p>
The Go <code>string</code> type is currently defined as a two-element
structure (this is <b style="color: red;">subject to change</b>):
</p>
<pre>
struct __go_string {
const unsigned char *__data;
intptr_t __length;
int __length;
};
</pre>
@@ -389,39 +276,34 @@ array in Go is equivalent to a C pointer to the
equivalent of the element type.
For example, Go <code>*[10]int</code> is equivalent to C <code>int*</code>,
assuming that the C pointer does point to 10 elements.
</p>
<p>
A slice in Go is a structure. The current definition is
(this is <b style="color: red;">subject to change</b>):
</p>
<pre>
struct __go_slice {
void *__values;
intptr_t __count;
intptr_t __capacity;
int __count;
int __capacity;
};
</pre>
<p>
The type of a Go function is a pointer to a struct (this is
<b style="color: red;">subject to change</b>). The first field in the
struct points to the code of the function, which will be equivalent to
a pointer to a C function whose parameter types are equivalent, with
an additional trailing parameter. The trailing parameter is the
closure, and the argument to pass is a pointer to the Go function
struct.
When a Go function returns more than one value, the C function returns
a struct. For example, these functions are roughly equivalent:
</p>
The type of a Go function with no receiver is equivalent to a C function
whose parameter types are equivalent. When a Go function returns more
than one value, the C function returns a struct. For example, these
functions have equivalent types:
<pre>
func GoFunction(int) (int, float64)
struct { int i; float64 f; } CFunction(int, void*)
struct { int i; float64 f; } CFunction(int)
</pre>
<p>
A pointer to a Go function is equivalent to a pointer to a C function
when the functions have equivalent types.
<p>
Go <code>interface</code>, <code>channel</code>, and <code>map</code>
types have no corresponding C type (<code>interface</code> is a
@@ -432,7 +314,6 @@ which one is difficult to predict in general; use a cast. C <code>union</code>
types have no corresponding Go type. C <code>struct</code> types containing
bitfields have no corresponding Go type. C++ <code>class</code> types have
no corresponding Go type.
</p>
<p>
Memory allocation is completely different between C and Go, as Go uses
@@ -444,56 +325,43 @@ while the Go side still has a copy the program will fail. When passing a
pointer from Go to C, the Go function must retain a visible copy of it in
some Go variable. Otherwise the Go garbage collector may delete the
pointer while the C function is still using it.
</p>
<h3 id="Function_names">Function names</h3>
<p>
Go code can call C functions directly using a Go extension implemented
in gccgo: a function declaration may be preceded by
<code>//extern NAME</code>. For example, here is how the C function
in <code>gccgo</code>: a function declaration may be followed by
<code>__asm__("NAME")</code>. For example, here is how the C function
<code>open</code> can be declared in Go:
</p>
<pre>
//extern open
func c_open(name *byte, mode int, perm int) int
func c_open(name *byte, mode int, perm int) int __asm__ ("open");
</pre>
<p>
The C function naturally expects a NUL-terminated string, which in
The C function naturally expects a nul terminated string, which in
Go is equivalent to a pointer to an array (not a slice!) of
<code>byte</code> with a terminating zero byte. So a sample call
from Go would look like (after importing the <code>syscall</code> package):
</p>
from Go would look like (after importing the <code>os</code> package):
<pre>
var name = [4]byte{'f', 'o', 'o', 0};
i := c_open(&amp;name[0], syscall.O_RDONLY, 0);
i := c_open(&amp;name[0], os.O_RDONLY, 0);
</pre>
<p>
(this serves as an example only, to open a file in Go please use Go's
<code>os.Open</code> function instead).
</p>
<p>
Note that if the C function can block, such as in a call
to <code>read</code>, calling the C function may block the Go program.
Unless you have a clear understanding of what you are doing, all calls
between C and Go should be implemented through cgo or SWIG, as for
the <code>gc</code> compiler.
</p>
<p>
The name of Go functions accessed from C is subject to change. At present
the name of a Go function that does not have a receiver is
<code>prefix.package.Functionname</code>. The prefix is set by
the <code>-fgo-prefix</code> option used when the package is compiled;
if the option is not used, the default is <code>go</code>.
if the option is not used, the default is simply <code>go</code>.
To call the function from C you must set the name using
a GCC extension.
</p>
a <code>gcc</code> extension similar to the <code>gccgo</code>
extension.
<pre>
extern int go_function(int) __asm__ ("myprefix.mypackage.Function");
@@ -503,25 +371,39 @@ extern int go_function(int) __asm__ ("myprefix.mypackage.Function");
Automatic generation of Go declarations from C source code</h3>
<p>
The Go version of GCC supports automatically generating
Go declarations from C code. The facility is rather awkward, and most
users should use the <a href="/cmd/cgo">cgo</a> program with
the <code>-gccgo</code> option instead.
</p>
The Go version of <code>gcc</code> supports automatically generating
Go declarations from C code. The facility is rather awkward at present,
and a better mechanism is under development.
<p>
Compile your C code as usual, and add the option
<code>-fdump-go-spec=<var>FILENAME</var></code>. This will create the
file <code><var>FILENAME</var></code> as a side effect of the
compilation. This file will contain Go declarations for the types,
variables and functions declared in the C code. C types that can not
be represented in Go will be recorded as comments in the Go code. The
generated file will not have a <code>package</code> declaration, but
can otherwise be compiled directly by gccgo.
</p>
Compile your C code as usual, but replace <code>-c</code> with
<code>-S&nbsp;-ggo</code>. The result will be an assembler file
with a <code>.s</code> extension. This assembler file will contain
comments beginning with #GO. Those comments are declarations in the Go
language for the C types, variables and functions declared in the C code.
C types which can not be represented in Go will contain the string INVALID.
Unsupported macro definitions will be recorded as <code>unknowndefine</code>,
and uses of <code>#undef</code> will be recorded as <code>undef</code>.
So it is very approximately possible to get Go code by running
<pre>
gcc -S -ggo foo.c
grep '#GO' foo.s | grep -v INVALID | grep -v unknowndefine | grep -v undef > foo.go
</pre>
<p>
This procedure is full of unstated caveats and restrictions and we make no
guarantee that it will not change in the future. It is more useful as a
starting point for real Go code than as a regular procedure.
</p>
<h2 id="RTEMS_Port">RTEMS Port</h2>
<p>
The <code>gccgo</code> compiler has been ported to <a href="http://www.rtems.com/">
<code>RTEMS</code></a>. <code>RTEMS</code> is a real-time executive
that provides a high performance environment for embedded applications
on a range of processors and embedded hardware. The current <code>gccgo</code>
port is for x86. The goal is to extend the port to most of the
<a href="http://www.rtems.org/wiki/index.php/SupportedCPUs">
architectures supported by <code>RTEMS</code></a>. For more information on the port,
as well as instructions on how to install it, please see this
<a href="http://www.rtems.com/wiki/index.php/GCCGoRTEMS"><code>RTEMS</code> Wiki page</a>.

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