| // Copyright (c) 2018, 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 mixin declaration syntax separate from class declarations: |
| /// mixinDeclaration : |
| /// metadata? 'mixin' identifier typeParameters? ('on' types)? |
| /// ('implements' types)? '{' mixinMember* '}' |
| /// |
| /// @description Checks that mixin declaration above is correct. |
| /// @author sgrekhov@unipro.ru |
| |
| |
| class S {} |
| class T {} |
| class X extends S {} |
| class Y extends T {} |
| |
| mixin M<X extends S, Y extends T> {} |
| |
| class MA with M<X, Y> {} |
| |
| main() { |
| new MA(); |
| } |
