| // Copyright 2023 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 Tn interface{ m() } |
| type T1 struct{} |
| type T2 struct{} |
| |
| func (*T1) m() {} |
| func (*T2) m() {} |
| |
| func g[P any](...P) {} |
| |
| func _() { |
| var t interface{ m() } |
| var tn Tn |
| var t1 *T1 |
| var t2 *T2 |
| |
| // these are ok (interface types only) |
| g(t, t) |
| g(t, tn) |
| g(tn, t) |
| g(tn, tn) |
| |
| // these are not ok (interface and non-interface types) |
| g(t, t1 /* ERROR "does not match" */) |
| g(t1, t /* ERROR "does not match" */) |
| g(tn, t1 /* ERROR "does not match" */) |
| g(t1, tn /* ERROR "does not match" */) |
| |
| g(t, t1 /* ERROR "does not match" */, t2) |
| g(t1, t2 /* ERROR "does not match" */, t) |
| g(tn, t1 /* ERROR "does not match" */, t2) |
| g(t1, t2 /* ERROR "does not match" */, tn) |
| } |
