// Copyright (c) 2022, 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. | |
class A { | |
String foo() => 'A'; | |
} | |
mixin M on A { | |
@override | |
String foo() => 'M' + super.foo(); | |
} |