| // 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 a compile-time error when a non-function type |
| /// alias is declared with a type parameter which doesn't satisfy the bounds |
| /// @Issue 44830 |
| /// @author iarkh@unipro.ru |
| |
| class A<T extends A<T>> {} |
| |
| typedef B1<X> = A<X>; |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| typedef B2<X extends A<dynamic>> = A<X>; |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| typedef B3<X extends A<Never>> = A<X>; |
| |
| typedef B4<X extends A<void>> = A<X>; |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| main() { |
| print(B1); |
| print(B2); |
| print(B3); |
| print(B4); |
| } |
