| commit | 3cd28baffd2c97d53cbc703a8787365e68050466 | [log] [tgz] |
|---|---|---|
| author | Robert Griesemer <gri@golang.org> | Wed Oct 20 15:06:35 2021 -0700 |
| committer | Robert Griesemer <gri@golang.org> | Sat Oct 23 16:17:58 2021 +0000 |
| tree | a3584c94f3e0896474ca573ba9c08b7397522de1 | |
| parent | b0f7eb6c0dee68c91d622cc5fcba1074626753b3 [diff] |
cmd/compile/internal/types2: factor out slice elem computation for copy built-in Implement singleUnder[String] which determines a single underlying type for a given type: either the underlying type, or the single underlying type for a type parameter, if it exists. Use singleUnder[String] instead of optype for copy built-in. This CL removes a dependency on optype and also makes the copy built-in slighty more general for generic arguments (the source argument may be constrained by a slice or string simultaneously). Change-Id: Ia329e96afc69a09d2ca3b1f82fe712d4f7ba1d9f Reviewed-on: https://go-review.googlesource.com/c/go/+/357413 Trust: Robert Griesemer <gri@golang.org> Reviewed-by: Robert Findley <rfindley@google.com>
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