3 // Copyright 2021 The Go Authors. All rights reserved.
4 // Use of this source code is governed by a BSD-style
5 // license that can be found in the LICENSE file.
9 type Foo[T any] interface {
13 type Bar[T any] func() Bar[T]
15 func (f Bar[T]) CreateBar() Bar[T] {
20 var _ Foo[R] = Bar[R](nil)()