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doc/go1.21: mention directive handling in go/{ast,build}

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For #56986
For #59033

Change-Id: I7d03fe34d418aff97a551b236b5d43506e402871
Reviewed-on: https://go-review.googlesource.com/c/go/+/499415
TryBot-Bypass: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
This commit is contained in:
Ian Lance Taylor 2023-05-30 15:15:43 -07:00 committed by Gopher Robot
parent b71d43296f
commit 8870c05b60
1 changed files with 21 additions and 10 deletions
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doc/go1.21.html
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@ -162,10 +162,6 @@ Do not send CLs removing the interior tags from such phrases.
rather than just base names.
</p>
<p><!-- CL 453603 -->
TODO: <a href="https://go.dev/cl/453603">https://go.dev/cl/453603</a>: cmd/go, go/build: parse directives in file headers; modified api/next/56986.txt
</p>
<!-- CL 466397 -->
<p>
<!-- cmd/go: make go test build multiple executables; The go test command now supports using the -c flag with multiple packages. -->
@ -488,24 +484,39 @@ Do not send CLs removing the interior tags from such phrases.
</dd>
<dd>
<p><!-- CL 476276 -->
TODO: <a href="https://go.dev/cl/476276">https://go.dev/cl/476276</a>: go/ast: add File.GoVersion; modified api/next/59033.txt
<p><!-- https://go.dev/issue/59033, CL 476276 -->
The new
<a href="/pkg/go/ast/#File.GoVersion"><code>File.GoVersion</code></a>
field records the minimum Go version required by
any <code>//go:build</code> or <code>// +build</code>
directives.
</p>
</dd>
</dl><!-- go/ast -->
<dl id="go/build"><dt><a href="/pkg/go/build/">go/build</a></dt>
<dd>
<p><!-- CL 453603 -->
TODO: <a href="https://go.dev/cl/453603">https://go.dev/cl/453603</a>: cmd/go, go/build: parse directives in file headers; modified api/next/56986.txt
<p><!-- https://go.dev/issue/56986, CL 453603 -->
The package now parses build directives (comments that start
with <code>//go:</code>) in file headers (before
the <code>package</code> declaration). These directives are
available in the new
<a href="/pkg/go/build/Package"><code>Package</code></a> fields
<a href="/pkg/go/build/Package.Directives"><code>Directives</code></a>,
<a href="/pkg/go/build/Package.TestDirectives"><code>TestDirectives</code></a>,
and
<a href="/pkg/go/build/Package.XTestDirectives"><code>XTestDirectives</code></a>.
</p>
</dd>
</dl><!-- go/build -->
<dl id="go/build/constraint"><dt><a href="/pkg/go/build/constraint/">go/build/constraint</a></dt>
<dd>
<p><!-- CL 476275 -->
TODO: <a href="https://go.dev/cl/476275">https://go.dev/cl/476275</a>: go/build/constraint: add GoVersion; modified api/next/59033.txt
<p><!-- https://go.dev/issue/59033, CL 476275 -->
The new
<a href="/pkg/go/build/constraint/#GoVersion"><code>GoVersion</code></a>
function returns the minimum Go version implied by a build
expression.
</p>
</dd>
</dl><!-- go/build/constraint -->