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| author | Andrew Gerrand <adg@golang.org> | 2013-04-08 11:41:01 +1000 |
|---|---|---|
| committer | Andrew Gerrand <adg@golang.org> | 2013-04-08 11:41:01 +1000 |
| commit | 95ec012e9b3da166cdbc740b67701ddaaf5a58aa (patch) | |
| tree | f3513cbc15b260b58904fdb51999cee62c2f28b8 /doc/go1.1.html | |
| parent | 81716b34bf460b7c383d80d5b74dfeb8ca2901f4 (diff) | |
| download | go-95ec012e9b3da166cdbc740b67701ddaaf5a58aa.tar.gz | |
doc: document go1.1 build tag
Fixes issue 5235.
R=golang-dev, r
CC=golang-dev
https://codereview.appspot.com/8426048
Diffstat (limited to 'doc/go1.1.html')
| -rw-r--r-- | doc/go1.1.html | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/doc/go1.1.html b/doc/go1.1.html index fac922910..1332be21c 100644 --- a/doc/go1.1.html +++ b/doc/go1.1.html @@ -403,6 +403,31 @@ command now returns an error if test files are provided on the command line. In this sense, "<code>go run</code>" replaces "<code>go run *.go</code>". </p> +<h3 id="tags">Build constraints</h3> + +<p> +The <code>"go1.1</code>" tag has been added to the list of default +<a href="/pkg/go/build/#hdr-Build_Constraints">build constraints</a>. +This permits packages to take advanage of the new features in Go 1.1 while +remaining compatible with earlier versions of Go. +</p> + +<p> +To build a file only with Go 1.1 and above, add this build constraint: +</p> + +<pre> +// +build go1.1 +</pre> + +<p> +To build a file only with Go 1.0.x, use the converse constraint: +</p> + +<pre> +// +build !go1.1 +</pre> + <h3 id="platforms">Additional platforms</h3> <p> |