| // Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| /** |
| * @assertion Any use of a type [T] which is not well-bounded is a |
| * compile-time error. |
| * @description Checks that compile error is not thrown when function alias with |
| * well bounded type parameter is declared |
| * @Issue 36959, 37050, 42415 |
| * @author iarkh@unipro.ru |
| */ |
| |
| class A<T extends A<T>> {} |
| |
| typedef B<X extends A<X>> = void Function(); |
| |
| main() { |
| B b1; |
| |
| B<dynamic> b2; |
| B<Object?> b3; |
| B<void> b4; |
| B<Never> b5; |
| |
| B<A<dynamic>> b6; |
| B<A<Object?>> b7; |
| B<A<void>> b8; |
| B<A<Never>> b9; |
| |
| B<A> b10; |
| B<A<A>> b11; |
| } |
