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https://github.com/golang/go
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f2a9f3e2e0
The test added in CL 420394 only tested that the type assertions compiled at all. This CL changes it into a run test to make sure the type assertions compile and also run correctly. Updates #54135. Change-Id: Id17469faad1bb55ff79b0bb4163ef50179330033 Reviewed-on: https://go-review.googlesource.com/c/go/+/420421 Run-TryBot: Matthew Dempsky <mdempsky@google.com> Reviewed-by: Keith Randall <khr@golang.org> Auto-Submit: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Keith Randall <khr@google.com>
33 lines
478 B
Go
33 lines
478 B
Go
// run
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// Copyright 2022 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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type Foo struct{}
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func (Foo) Blanker() {}
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type Bar[T any] interface {
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Blanker()
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}
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type Baz interface {
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Some()
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}
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func check[T comparable](p Bar[T]) {
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if x, ok := p.(any); !ok || x != p {
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panic("FAIL")
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}
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if _, ok := p.(Baz); ok {
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panic("FAIL")
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}
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}
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func main() {
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check[int](Foo{})
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}
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