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Author SHA1 Message Date
Robert Griesemer
5473103666 go spec: clarify semantics of range clause 
This CL proposes some subtle language changes
in an attempt to clarify the semantics of range
clauses and simplify uses of maps.

- nil maps behave like empty maps; but attempting
  to set a value in a nil map causes a run-time panic
- nil channels are never ready for communication;
  sending or reading from a nil channel blocks forever
- if there is only one index iteration variable in a
  range clause and len(range expression) would be a constant,
  the range expression is not evaluated.
  (was discrepancy with len/cap before)
- the notion of what is a constant expression len(x)
  for (pointer to) arrays x has been generalized and
  simplified (can still be syntactically decided)
  (before: more restrictive syntactic rule that was not
  consistently implemented)

Fixes #1713.

R=r, rsc, iant, ken2, r2, bradfitz, rog
CC=golang-dev
https://golang.org/cl/4444050
 2011-05-12 09:15:59 -07:00
Johan Euphrosine
5f6e1cfca7 doc/codelab: correct typo. 
s/Sprintf/Fprintf/

R=golang-dev, rsc
CC=adg, golang-dev
https://golang.org/cl/4519053
 2011-05-12 11:21:10 -04:00
Rob Pike
89c59bc6f6 effective go: explain about values/pointers in String() example 
Fixes #1796.

R=rsc, r2, niemeyer
CC=golang-dev
https://golang.org/cl/4539049
 2011-05-11 08:31:24 -07:00
Andrew Gerrand
a03bfe7f69 doc/roadmap: put "App Engine support" under "Done". 
R=rsc, dsymonds
CC=golang-dev
https://golang.org/cl/4528053
 2011-05-10 18:40:40 -07:00
Rob Pike
38d7bcf5e2 go spec: fix up HTML glitches. 
Fixes #1786.

R=gri, adg
CC=golang-dev
https://golang.org/cl/4517043
 2011-05-08 14:05:18 -07:00
Rob Pike
121b428a7a effective go: update to new Open signature. 
Fixes #1788.

R=rsc, adg
CC=golang-dev
https://golang.org/cl/4519042
 2011-05-08 14:04:42 -07:00
Dmitry Chestnykh
be99859dbe doc: remove left and right padding in H2 headings. 
R=adg, rsc1, rsc
CC=golang-dev
https://golang.org/cl/4491041
 2011-05-06 16:11:07 -04:00
Robert Griesemer
0e8032ca49 go spec: newlines cannot be used inside a char or "" string literal 
R=r
CC=golang-dev
https://golang.org/cl/4462043
 2011-05-05 09:03:00 -07:00
Russ Cox
f0bcb6dd24 doc: document r57.1 
R=adg
CC=golang-dev
https://golang.org/cl/4471041
 2011-05-04 00:14:07 -04:00
Russ Cox
d6dd80b65e doc: release.r57 
R=golang-dev, r, adg, r2
CC=golang-dev
https://golang.org/cl/4457049
 2011-05-03 13:55:50 -04:00
Andrew Gerrand
a3baf7f90e doc/install: specify clone -u instead of -r 
R=rsc
CC=golang-dev
https://golang.org/cl/4435081
 2011-05-02 20:40:47 -07:00
Robert Griesemer
8e340695c1 godoc: if there is no search box, don't run the respective JS code 
Fixes a JS crash which prevented the automatically generated
table of contents to not appear.

R=adg, bradfitz
CC=golang-dev
https://golang.org/cl/4460041
 2011-05-02 18:07:11 -07:00
Robert Griesemer
bb7eb4002e go spec: clarify semantics of integer division 
Fixes #1764.

R=rsc, r, iant, ken2
CC=golang-dev
https://golang.org/cl/4431082
 2011-05-02 17:23:18 -07:00
Robert Griesemer
6af887ec03 go spec: restricted expressions may still be parenthesized 
No language change.

- added a few examples with parentheses
- added a corresponding sentence to assignments
  (this explicitly permits: (_) = 0, currently allowed by 6g,
  gofmt, but marked as an error by gccgo).

R=rsc, r, iant
CC=golang-dev
https://golang.org/cl/4446071
 2011-05-02 09:16:31 -07:00
Robert Griesemer
c134718611 undo CL 4428057 / 19e540fc7d7d 
The CL introduces inconsistencies with respect to
the use of parentheses/grouping of receive operations.

««« original CL description
spec: narrow syntax for expression and select statements

This is not a language change, it simply expresses the
accepted cases explicitly in the respective productions.

R=rsc, r, iant
CC=golang-dev
https://golang.org/cl/4428057
»»»

R=golang-dev, rsc1
CC=golang-dev
https://golang.org/cl/4444080
 2011-04-29 12:20:31 -07:00
Robert Griesemer
95f544a199 spec: narrow syntax for expression and select statements 
This is not a language change, it simply expresses the
accepted cases explicitly in the respective productions.

R=rsc, r, iant
CC=golang-dev
https://golang.org/cl/4428057
 2011-04-29 09:49:10 -07:00
Andrew Gerrand
5a8ae387e2 weekly.2011-04-27 
R=rsc
CC=golang-dev
https://golang.org/cl/4437077
 2011-04-28 16:32:51 +10:00
Rob Pike
2ccd20a646 tutorial: replace the forever loops with finite counts in sieve programs. 
Fixes #1742.
I hope.

Also this picks up an update to go_tutorial.html that should already have happened.

R=brainman, rsc, peterGo
CC=golang-dev
https://golang.org/cl/4452050
 2011-04-27 09:59:27 -07:00
Russ Cox
c3e6e6ec09 doc: mention make version in install.html 
Fixes #1531.

R=adg
CC=golang-dev
https://golang.org/cl/4442088
 2011-04-26 21:39:22 -04:00
Robert Griesemer
1bdb1803b9 go spec: for map types, mention indexing operations 
(like we do for arrays and slices).

Suggested by mathieu.lonjaret@gmail.com .

R=r, rsc, iant
CC=golang-dev
https://golang.org/cl/4442074
 2011-04-22 16:26:51 -07:00
Nigel Tao
6a186d38d1 src/pkg: make package doc comments consistently start with "Package foo". 
R=rsc
CC=golang-dev
https://golang.org/cl/4442064
 2011-04-20 09:57:05 +10:00
Robert Griesemer
0f7acf1114 go spec: attempt at clarifying language for "append" 
Specifically, fix a wrong comment.

Fixes #1717.

R=r, rsc
CC=golang-dev
https://golang.org/cl/4445050
 2011-04-19 14:38:49 -07:00
Rob Pike
23fc9c84bd tutorial: modernize the definition and use of Open. 
R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/4446053
 2011-04-18 10:51:40 -07:00
Dmitry Chestnykh
84c7e83b4c godoc: use "search" input type for search box. 
Uses placeholder attribute instead of changing the value of search
field on browsers that support it.  On other browsers, the fake
placeholder text is restored when the empty box loses focus.

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/4441041
 2011-04-15 10:48:45 -07:00
Andrew Gerrand
0f03eedb87 weekly.2011-04-13 
R=dsymonds
CC=golang-dev
https://golang.org/cl/4396047
 2011-04-14 14:18:35 +10:00
Andrew Gerrand
eb5e4b8519 doc/install.html: document use of libc6-dev-i386 
Fixes #1689.

R=rsc
CC=golang-dev
https://golang.org/cl/4404043
 2011-04-14 10:28:59 +10:00
John DeNero
4ffee801ce A codewalk through a simple program that illustrates several aspects of Go functions: function objects, higher-order functions, variadic functions, tail recursion, etc. The example program simulates the game of Pig, a dice game with simple rules but a nontrivial solution. 
R=adg, rsc, iant2, r
CC=golang-dev
https://golang.org/cl/4306045
 2011-04-07 18:05:15 -07:00
Rob Pike
108ba69ae3 roadmap: add sections on tools, packages. 
R=golang-dev, rsc1, r2, bradfitzgo, gri
CC=golang-dev
https://golang.org/cl/4344068
 2011-04-05 13:25:58 -07:00
Rob Pike
e6b1d424c4 spec: add parens missing from "protect" example. 
Fixes #1665.

R=gri
CC=golang-dev
https://golang.org/cl/4351051
 2011-04-05 11:01:25 -07:00
Andrew Gerrand
51319b1125 weekly.2011-04-04 
R=rsc
CC=golang-dev
https://golang.org/cl/4363043
 2011-04-05 12:55:03 +10:00
Rob Pike
016a99f440 roadmap: remove description of implementation of garbage collector. 
It was speculation.
Also replace one silly word with an English replacement.

R=golang-dev, bradfitzgo
CC=golang-dev
https://golang.org/cl/4339041
 2011-03-31 13:13:04 -07:00
Andrew Gerrand
33e41802f9 weekly.2011-03-28 
R=r, rsc
CC=golang-dev
https://golang.org/cl/4272072
 2011-03-29 14:17:04 +11:00
Ian Lance Taylor
d38d66e646 doc: gccgo now supports method expressions and multiple init functions. 
R=gri
CC=golang-dev
https://golang.org/cl/4314047
 2011-03-28 14:48:35 -07:00
Russ Cox
6b3357129a build: add all-qemu.bash, handful of arm fixes 
R=r
CC=golang-dev
https://golang.org/cl/4313051
 2011-03-27 23:39:42 -04:00
Andrew Gerrand
eccf31b744 doc: update contrib.html to be more enticing 
doc: refer to golang-dev instead of -nuts in contribute.html

R=r, rsc
CC=golang-dev
https://golang.org/cl/4309043
 2011-03-24 11:06:02 +11:00
Andrew Gerrand
393ea2dfa8 doc: mention godoc in "implements" FAQ 
R=r
CC=golang-dev
https://golang.org/cl/4248066
 2011-03-17 16:37:34 +11:00
Andrew Gerrand
929449ddaf doc: explain release and weekly tags in install.html 
R=r
CC=golang-dev
https://golang.org/cl/4272058
 2011-03-17 16:33:10 +11:00
Andrew Gerrand
e44c057369 doc: fix line wrapping for release.html 
R=r
CC=golang-dev
https://golang.org/cl/4281052
 2011-03-16 16:36:18 +11:00
Andrew Gerrand
f538f2432e weekly.2011-03-15 
R=r
CC=golang-dev
https://golang.org/cl/4272052
 2011-03-16 16:24:08 +11:00
Russ Cox
108564dabc spec: disallow unused labels 
Also change labelled examples to use gofmt formatting.

R=gri, r, jnml
CC=golang-dev
https://golang.org/cl/4287046
 2011-03-15 13:51:24 -04:00
Russ Cox
9f2cb86fe2 spec: remove closed from language, replaced by x, ok = <-c 
R=gri, r, r2
CC=golang-dev
https://golang.org/cl/4249065
 2011-03-11 14:47:02 -05:00
Andrew Gerrand
08ceb870f2 .hgtags: s/release/weekly/ 
.hgtags, release.html: tag current weekly as release.r56

R=r, rsc
CC=golang-dev
https://golang.org/cl/4281041
 2011-03-11 18:04:18 +11:00
Rob Pike
9e2fbe186d Effective Go: some small cleanups. 
Add discussion of getters.
Add example using a map as a set.

R=golang-dev, gri, adg, iant
CC=golang-dev
https://golang.org/cl/4240100
 2011-03-09 16:47:40 -08:00
Andrew Gerrand
4896b17584 doc: update codelab wiki to fix template.Execute argument order 
Fixes #1595.

R=r
CC=golang-dev
https://golang.org/cl/4243067
 2011-03-09 12:59:13 +11:00
Rob Pike
ce0de4229f FAQ: hello, world is now 1.1MB, down from 1.8MB 
R=rsc
CC=golang-dev
https://golang.org/cl/4235061
 2011-03-08 11:47:41 -08:00
Robert Griesemer
fb64e0d96f go spec: clarify return statement rules 
Added example of a return statement w/o expressions
in a function with a _ result parameter.

See also: http://code.google.com/p/go/issues/detail?id=1586

R=rsc, r, iant
CC=golang-dev
https://golang.org/cl/4266049
 2011-03-07 16:29:07 -08:00
Alex Brainman
2ae4f356cc doc/codelab/wiki: include into windows build 
R=adg, rsc
CC=Joe Poirier, golang-dev
https://golang.org/cl/4257052
 2011-03-07 15:48:39 +11:00
Andrew Gerrand
7fb65a936b doc: amend release.2011-03-07 notes to mention reflect and path changes 
R=rsc
CC=golang-dev
https://golang.org/cl/4250061
 2011-03-07 14:46:55 +11:00
Andrew Gerrand
c1d44c9453 release.2011-03-07 
R=r, rsc, dfc
CC=golang-dev
https://golang.org/cl/4240081
 2011-03-07 13:55:22 +11:00
Andrew Gerrand
89f890f266 doc: there's no such thing as a .cgo file 
R=rsc
CC=golang-dev
https://golang.org/cl/4264043
 2011-03-04 16:28:27 +11:00