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3fc327b33b
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Robert Griesemer 3fc327b33b go/scanner: 17% faster scanning 
- Changed the Scan API semantics slightly:
The token literal string is only returned
if the token is a literal, comment, semicolon,
or illegal character. In all other cases, the
token literal value is determined by the token
value.

Clients that care about the token literal value
when not present can always use the following
piece of code:

pos, tok, lit := scanner.Scan()
if lit == "" {
   lit = tok.String()
}

- Changed token.Lookup API to use a string instead
of a []byte argument.

- Both these changes were long-standing TODOs.

- Added BenchmarkScan.

This change permits a faster implementation of Scan
with much fewer string creations:

benchmark                old ns/op    new ns/op    delta
scanner.BenchmarkScan        74404        61457  -17.40%

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5532076
2012-01-11 14:20:32 -08:00
doc doc: update "How to Write Go Code" to use the go tool 2012-01-12 08:25:49 +11:00
include os: OS-dependent bits to support NetBSD. 2011-12-15 12:19:19 -05:00
lib codereview: Initialize "found" in codereview.py. 2011-12-16 10:39:20 -05:00
misc misc/dashboard/builder: fix comment in http.go 2012-01-11 13:23:33 -08:00
src go/scanner: 17% faster scanning 2012-01-11 14:20:32 -08:00
test gc: fix inlining bug 2012-01-11 13:21:06 -08:00
.hgignore .hgignore: ignore autogenerated files 2011-12-20 15:54:39 -05:00
.hgtags tag weekly.2011-12-22 2011-12-23 14:34:15 +11:00
AUTHORS A+C: add Yoshiyuki Kanno (Individual CLA) 2012-01-10 15:50:44 -08:00
CONTRIBUTORS A+C: add Yoshiyuki Kanno (Individual CLA) 2012-01-10 15:50:44 -08:00
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LICENSE
PATENTS
README
robots.txt godoc: serve robots.txt raw 2011-02-19 05:46:20 +11:00

README 

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.