| // Copyright 2022 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 p | |
| type Foo[P any] struct { | |
| _ *Bar[P] | |
| } | |
| type Bar[Q any] Foo[Q] | |
| func (v *Bar[R]) M() { | |
| _ = (*Foo[R])(v) | |
| } |