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doc/go1.18: add documentation for changes to go/ast

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Updates #47694

Change-Id: Ied26f6345df2c8640d4be5132a05db3897b59009
Reviewed-on: https://go-review.googlesource.com/c/go/+/369096
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
This commit is contained in:
Robert Griesemer 2021-12-03 10:52:52 -08:00
parent 821bf04f2a
commit fa88ba1e8a
1 changed files with 24 additions and 0 deletions
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@ -406,6 +406,30 @@ Do not send CLs removing the interior tags from such phrases.
</dd>
</dl>
<dl id="go/ast"><dt><a href="/pkg/go/ast/">go/ast</a></dt>
<dd>
<p><!-- https://golang.org/issue/47781, CL 325689, CL 327149, CL 348375, CL 348609 -->
Per the proposal
<a href="https://go.googlesource.com/proposal/+/master/design/47781-parameterized-go-ast.md">
Additions to go/ast and go/token to support parameterized functions and types
</a>
the following additions are made to the <a href="/pkg/go/ast"><code>go/ast</code></a> package:
<ul>
<li>
the <a href="/pkg/go/ast/#FuncType"><code>FuncType</code></a>
and <a href="/pkg/go/ast/#TypeSpec"><code>TypeSpec</code></a>
nodes have a new field <code>TypeParams</code> to hold type parameters, if any.
</li>
<li>
The new expression node <a href="/pkg/go/ast/#IndexListExpr"><code>IndexListExpr</code></a>
represents index expressions with multiple indices, used for function and type instantiations
with more than one explicit type argument.
</li>
</ul>
</p>
</dd>
</dl>
<dl id="go/constant"><dt><a href="/pkg/go/constant/">go/constant</a></dt>
<dd>
<p><!-- https://golang.org/issue/46211, CL 320491 -->