| // 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. |
| |
| // @dart = 2.7 |
| |
| import 'package:expect/expect.dart'; |
| |
| class SuperA<T> { |
| method() => null; |
| } |
| |
| class SuperB<T> extends SuperA<T> { |
| method() => T; |
| } |
| |
| mixin Mixin<T> on SuperA<T> { |
| method() => super.method(); |
| } |
| |
| class Class<T> extends SuperB<T> with Mixin<T> {} |
| |
| main() { |
| var c1 = new Class<String>(); |
| var c2 = new Class<int>(); |
| Expect.equals(String, c1.method()); |
| Expect.equals(int, c2.method()); |
| } |
