| // 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 p |
| |
| // test case 1 |
| type T /* ERROR "invalid recursive type" */ [U interface{ M() T[U] }] int |
| |
| type X int |
| |
| func (X) M() T[X] { return 0 } |
| |
| // test case 2 |
| type A /* ERROR "invalid recursive type" */ [T interface{ A[T] }] interface{} |
| |
| // test case 3 |
| type A2 /* ERROR "invalid recursive type" */ [U interface{ A2[U] }] interface{ M() A2[U] } |
| |
| type I interface{ A2[I]; M() A2[I] } |
