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Issue 5302041: code review 5302041: weekly.2011-10-18 (Closed)
Patch Set: diff -r 95aeed942188 https://go.googlecode.com/hg/ Created 12 years, 5 months ago
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1 <!-- Weekly Snapshot History --> 1 <!-- Weekly Snapshot History -->
2 2
3 <p>This page summarizes the changes between tagged weekly snapshots of Go. 3 <p>This page summarizes the changes between tagged weekly snapshots of Go.
4 For full details, see the <a href="http://code.google.com/p/go/source/list">Merc urial change log</a>.</p> 4 For full details, see the <a href="http://code.google.com/p/go/source/list">Merc urial change log</a>.</p>
5 5
6 <p>Weekly snapshots occur often and may not be stable. 6 <p>Weekly snapshots occur often and may not be stable.
7 If stability of API and code is more important than having the 7 If stability of API and code is more important than having the
8 latest features, use the <a href="release.html">official releases</a> instead.</ p> 8 latest features, use the <a href="release.html">official releases</a> instead.</ p>
9 9
10 <p>To update to a specific snapshot, use:</p> 10 <p>To update to a specific snapshot, use:</p>
11 11
12 <pre> 12 <pre>
13 hg pull 13 hg pull
14 hg update weekly.<i>YYYY-MM-DD</i> 14 hg update weekly.<i>YYYY-MM-DD</i>
15 </pre> 15 </pre>
16 16
17 <h2 id="2011-10-18">2011-10-18</h2>
18
19 <pre>
20 This weekly snapshot includes some language and package changes that may
21 require code changes. Please read these notes carefully, as there are many
22 changes and your code will likely be affected.
23
24 The syntax for map deletion has been changed. Code that looks like:
25 m[x] = 0, false
26 should be written as:
27 delete(m, x)
28 The compiler still accepts m[x] = 0, false for now; even so, you can use gofix
29 to rewrite such assignments into delete(m, x).
30
31 The Go compiler will reject a return statement without arguments when any of
32 the result variables has been shadowed. Code rejected as a result of this
33 change is likely to be buggy.
34
35 Receive-only channels (<-chan T) cannot be closed.
36 The compiler will diagnose such attempts.
37
38 The first element of a map iteration is chosen at random. Code that depends on
39 iteration order will need to be updated.
40
41 Goroutines may be run during program initialization.
42
43 A string may be appended to a byte slice. This code is now legal:
44 var b []byte
45 var s string
46 b = append(b, s...)
47
48 The gotry command and its associated try package have been deleted.
49 It was a fun experiment that - in the end - didn't carry its weight.
50
51 The gotype tool has been moved to exp/gotype and its associated go/types
52 package has been moved to exp/types. The deprecated go/typechecker package has
53 been deleted.
54
55 The enbflint tool has been moved to pkg/exp/ebnflint and its associated ebnf
56 package has been moved to pkg/exp/ebnf.
57
58 The netchan package has been moved to old/netchan.
59
60 The http/spdy package has been moved to exp/spdy.
61
62 The exp/datafmt package has been deleted.
63
64 The container/vector package has been deleted. Slices are better:
65 http://code.google.com/p/go-wiki/wiki/SliceTricks
66
67 Other changes:
68 * 5l/6l/8l: correct ELFRESERVE diagnostic (thanks Anthony Martin).
69 * 6l/8l: support OS X code signing (thanks Mikkel Krautz).
70 * asn1: accept UTF8 strings as ASN.1 ANY values.
71 * big: handle aliasing correctly for Rat.SetFrac.
72 * build: add missing nuke target (thanks Anthony Martin),
73 catch future accidental dependencies to exp or old packages,
74 more robustly detect gold 2.20 (thanks Christopher Wedgwood),
75 pass $GCFLAGS to compiler,
76 stop on failed deps.bash.
77 * crypto/tls: add 3DES ciphersuites,
78 add server side SNI support,
79 fetch root CA from Windows store (thanks Mikkel Krautz),
80 fetch root certificates using Mac OS API (thanks Mikkel Krautz),
81 fix broken looping code in windows root CA fetcher (thanks Mikkel Krautz ),
82 more Unix root certificate locations.
83 * crypto/x509: add code for dealing with PKIX public keys,
84 keep the raw Subject and Issuer.
85 * csv: fix overly aggressive TrimLeadingSpace.
86 * exp/ssh: general cleanups for client support (thanks Dave Cheney).
87 * exp/template/html: fix bug in cssEscaper.
88 * exp/terminal: split terminal handling from exp/ssh.
89 * exp/winfsnotify: filesystem watcher for Windows (thanks Hector Chu).
90 * fmt: fix test relying on map iteration order.
91 * gc: changes to export format in preparation for inlining,
92 pass FlagNoPointers to runtime.new,
93 preserve uint8 and byte distinction in errors and import data,
94 stricter multiple assignment + test,
95 treat uintptr as potentially containing a pointer.
96 * go/scanner: remove AllowIllegalChars mode.
97 * go/token: document deserialization property.
98 * gob: avoid one copy for every message written.
99 * godefs: add enum/const testdata (thanks Dave Cheney).
100 * godoc: generate package toc in template, not in JavaScript,
101 show "unexported" declarations when executing "godoc builtin",
102 show correct source name with -path.
103 * gofix: make fix order explicit, add mapdelete.
104 * gofmt: fix //line handling,
105 disallow rewrites for incomplete programs.
106 * gotest: avoid conflicts with the name of the tested package (thanks Esko Luont ola),
107 test example code.
108 * goyacc: clean up after units (thanks Anthony Martin),
109 make more gofmt-compliant.
110 * html: add a Render function, various bug fixes and improvements,
111 parser improvements (thanks Andrew Balholm).
112 * http: DoS protection: cap non-Handler Request.Body reads,
113 RoundTrippers shouldn't mutate Request,
114 avoid panic caused by nil URL (thanks Anthony Martin),
115 fix read timeouts and closing,
116 remove Request.RawURL.
117 * image/tiff: implement PackBits decoding (thanks Benny Siegert).
118 * ld: fix "cannot create 8.out.exe" (thanks Jaroslavas Počepko).
119 * misc/emacs: add a "godoc" command, like M-x man (thanks Evan Martin).
120 * misc/swig: delete binaries (thanks Anthony Martin).
121 * misc/windows: automated toolchain packager (thanks Joe Poirier).
122 * net/windows: implement ip protocol name to number resolver (thanks Alex Brainm an).
123 * net: add File method to IPConn (thanks Mikio Hara),
124 allow LookupSRV on non-standard DNS names,
125 fix "unexpected socket family" error from WriteToUDP (thanks Albert Stra sheim),
126 fix socket leak in case of Dial failure (thanks Chris Farmiloe),
127 remove duplicate error information in Dial (thanks Andrey Mirtchovski),
128 return error from CloseRead and CloseWrite (thanks Albert Strasheim),
129 skip ICMP test on Windows too unless uid 0.
130 * reflect: disallow Interface method on Value obtained via unexported name,
131 make unsafe use of SliceHeader gc-friendly.
132 * rpc: don't panic on write error.
133 * runtime: faster strings,
134 fix crash if user sets MemProfileRate=0,
135 fix crash when returning from syscall during gc (thanks Hector Chu),
136 fix memory leak in parallel garbage collector.
137 * scanner: invalidate scanner.Position when no token is present.
138 * spec: define order of multiple assignment.
139 * syscall/windows: dll function load and calling changes (thanks Alex Brainman).
140 * syscall: add #ifdefs to fix the manual corrections in ztypes_linux_arm.go (tha nks Dave Cheney),
141 adjust Mount to accomodate stricter FS implementations.
142 * testing: fix time reported for failing tests.
143 * utf8: add Valid and ValidString.
144 * websocket: tweak hybi ReadHandshake to support Firefox (thanks Luca Greco).
145 * xml: match Marshal's XMLName behavior in Unmarshal (thanks Chris Farmiloe).
146 </pre>
147
17 <h2 id="2011-10-06">2011-10-06</h2> 148 <h2 id="2011-10-06">2011-10-06</h2>
18 149
19 <pre> 150 <pre>
20 This weekly snapshot includes changes to the io, image, and math packages that 151 This weekly snapshot includes changes to the io, image, and math packages that
21 may require changes to client code. 152 may require changes to client code.
22 153
23 The io package's Copyn function has been renamed to CopyN. 154 The io package's Copyn function has been renamed to CopyN.
24 155
25 The math package's Fabs, Fdim, Fmax, Fmin and Fmod functions 156 The math package's Fabs, Fdim, Fmax, Fmin and Fmod functions
26 have been renamed to Abs, Dim, Max, Min, and Mod. 157 have been renamed to Abs, Dim, Max, Min, and Mod.
(...skipping 4136 matching lines...) Expand 10 before | Expand all | Expand 10 after
4163 global channel lock is gone.· 4294 global channel lock is gone.·
4164 * sync: RWMutex now allows concurrent readers (thanks Péter Szabó)· 4295 * sync: RWMutex now allows concurrent readers (thanks Péter Szabó)·
4165 * template: can use maps as data (thanks James Meneghello)· 4296 * template: can use maps as data (thanks James Meneghello)·
4166 * unicode: updated to Unicode 5.2.· 4297 * unicode: updated to Unicode 5.2.·
4167 * websocket: new package (thanks Fumitoshi Ukai)· 4298 * websocket: new package (thanks Fumitoshi Ukai)·
4168 * xgb: preliminary X Go Bindings (thanks Tor Andersson)· 4299 * xgb: preliminary X Go Bindings (thanks Tor Andersson)·
4169 * xml: fixed crash (thanks Vish Subramanian)· 4300 * xml: fixed crash (thanks Vish Subramanian)·
4170 * misc: bbedit config (thanks Anthony Starks),· 4301 * misc: bbedit config (thanks Anthony Starks),·
4171 kate config (thanks Evan Shaw)· 4302 kate config (thanks Evan Shaw)·
4172 </pre> 4303 </pre>
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