diff options
Diffstat (limited to 'test/typeparam/issue48838.go')
-rw-r--r-- | test/typeparam/issue48838.go | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/typeparam/issue48838.go b/test/typeparam/issue48838.go new file mode 100644 index 0000000..1711d04 --- /dev/null +++ b/test/typeparam/issue48838.go @@ -0,0 +1,31 @@ +// run + +// Copyright 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func main() { + check[string]() +} + +func check[T any]() { + var result setter[T] + switch result.(type) { + case fooA[T]: + case fooB[T]: + } +} + +type setter[T any] interface { + Set(T) +} + +type fooA[T any] struct{} + +func (fooA[T]) Set(T) {} + +type fooB[T any] struct{} + +func (fooB[T]) Set(T) {} |