| // 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 thrown when function alias with not |
| /// well bounded type parameter is declared |
| /// @Issue 37031 |
| /// @author iarkh@unipro.ru |
| |
| |
| class A<T extends A<T>> {} |
| |
| typedef void B1<X extends A>(X); //# 01: compile-time error |
| typedef void B2<X extends A<A>>(X); //# 02: compile-time error |
| typedef void B3<X extends A<int>>(X); //# 03: compile-time error |
| |
| main() { |
| } |