| // 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 A generic type alias is a declaration [D] of one of the following |
| /// forms: |
| /// m typedef id<X1 extends B1, . . . , Xs extends Bs> = T; |
| /// ... |
| /// Under the assumption that X1, . . . , Xs are types such that Xj <: Bj, for |
| /// all j ∈ 1..s, it is a compile-time error if [T] is not regular-bounded, and |
| /// it is a compile-time error if any type occurring in [T] is not well-bounded. |
| /// @description Checks that it is not a compile time error in the difficult |
| /// ([X extends A<X>]) type parameter cases. |
| /// @Issue 36870, 42434 |
| /// @author iarkh@unipro.ru |
| |
| |
| class A<X extends A<X>> {} |
| typedef AAlias<X> = Function<X1 extends A<X>> (); |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| main() {} |
