# Copyright (c) 2017, 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.md file.

main.dart.patch: |
  // Test that we can add a mixin application.
  class A {}
  <<<< []
  ==== []
  class C = Object with A;
  >>>>
  main() {
    new A();
  <<<<
  ====
    new C();
  >>>>
  }
