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doc/go1.18: add documentation for changes to go/ast
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>
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@ -406,6 +406,30 @@ Do not send CLs removing the interior tags from such phrases.
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</dd>
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</dl>
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<dl id="go/ast"><dt><a href="/pkg/go/ast/">go/ast</a></dt>
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<dd>
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<p><!-- https://golang.org/issue/47781, CL 325689, CL 327149, CL 348375, CL 348609 -->
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Per the proposal
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<a href="https://go.googlesource.com/proposal/+/master/design/47781-parameterized-go-ast.md">
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Additions to go/ast and go/token to support parameterized functions and types
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</a>
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the following additions are made to the <a href="/pkg/go/ast"><code>go/ast</code></a> package:
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<ul>
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<li>
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the <a href="/pkg/go/ast/#FuncType"><code>FuncType</code></a>
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and <a href="/pkg/go/ast/#TypeSpec"><code>TypeSpec</code></a>
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nodes have a new field <code>TypeParams</code> to hold type parameters, if any.
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</li>
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<li>
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The new expression node <a href="/pkg/go/ast/#IndexListExpr"><code>IndexListExpr</code></a>
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represents index expressions with multiple indices, used for function and type instantiations
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with more than one explicit type argument.
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</li>
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</ul>
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</p>
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</dd>
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</dl>
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<dl id="go/constant"><dt><a href="/pkg/go/constant/">go/constant</a></dt>
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<dd>
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<p><!-- https://golang.org/issue/46211, CL 320491 -->
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