| // 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. |
| |
| // @dart = 2.9 |
| |
| /// @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 |
| /// @author iarkh@unipro.ru |
| |
| |
| class A<T extends A<T>> {} |
| |
| typedef X B<X extends A<X>>(); |
| |
| main() { |
| B b1; |
| |
| B<dynamic> b2; |
| B<Object> b3; |
| B<void> b4; |
| B<Null> b5; |
| |
| B<A<dynamic>> b6; |
| B<A<Object>> b7; |
| B<A<void>> b8; |
| B<A<Null>> b9; |
| |
| B<A> b10; |
| B<A<A>> b11; |
| } |
