| // 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 it is not an error to declare a type alias for a |
| /// function type with a type parameter whose bound is well-bounded. |
| /// @Issue 36959, 37050, 42415 |
| /// @author iarkh@unipro.ru |
| |
| class A<T extends A<T>> {} |
| |
| typedef B<X extends A<X>> = X Function(X); |
| |
| main() { |
| B<A> b2; |
| B<void> b4; |
| B<Never> b5; |
| |
| B<A<dynamic>> b6; |
| B<A<void>> b8; |
| B<A<Never>> b9; |
| } |
