2933c451a0
Named type expansion and loading were conceptually similar: a mechanism for lazily resolving type information in a concurrency-safe manner. Unify them into a 'resolve' method, that delegates to a resolver func to produce type parameters, underlying, and methods. By leveraging the sync.Once field on Named for instance expansion, we get closer to making instance expansion concurrency-safe, and remove the requirement that instPos guard instantiation. This will be cleaned up in a follow-up CL. This also fixes #47887 by causing substituted type instances to be expanded (in the old code, this could be fixed by setting instPos when substituting). For #47910 Fixes #47887 Change-Id: Ifc52a420dde76e3a46ce494fea9bd289bc8aca4c Reviewed-on: https://go-review.googlesource.com/c/go/+/349410 Trust: Robert Findley <rfindley@google.com> Run-TryBot: Robert Findley <rfindley@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Robert Griesemer <gri@golang.org> |
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