| // 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 function type has |
| /// a type parameter bound which is a raw type that does not have simple bounds, |
| /// and when a function has a type parameter bound which is malbounded. |
| /// @Issue 37031 |
| /// @author iarkh@unipro.ru |
| |
| class A<T extends A<T>> {} |
| |
| // Here `B1` is a well-bounded type, but the bound is a raw type `A` that |
| // doesn't have simple bounds, and that's a compile-time error. |
| typedef void B1<X extends A>(X); |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| typedef void B2<X extends A<A>>(X); |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| typedef void B3<X extends A<int>>(X); // A<int> is a malbounded type |
| // ^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| main() { |
| print(B1); |
| print(B2); |
| print(B3); |
| } |
