| // compile | |
| // Copyright 2025 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 | |
| type B[T any] struct { | |
| a A[T] | |
| } | |
| type A[T any] = func(B[T]) bool | |
| func main() { | |
| var s A[int] | |
| println(s) | |
| } |