| // 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, 37034 |
| * @author iarkh@unipro.ru |
| */ |
| |
| class A<T extends A<T>> {} |
| |
| typedef B1<X extends A<dynamic>> = void Function(); |
| typedef B2<X extends A<Never>> = void Function(); |
| typedef B3<X extends A<Object?>> = void Function(); |
| typedef B4<X extends A<void>> = void Function(); |
| |
| typedef B5<X extends A<A<dynamic>>> = void Function(); |
| typedef B6<X extends A<A<Never>>> = void Function(); |
| typedef B7<X extends A<A<Object?>>> = void Function(); |
| typedef B8<X extends A<A<void>>> = void Function(); |
| |
| main() { |
| } |
