# 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 top-level field.
  <<<< "0"
  ==== "1"
    const c = 1;
  >>>>

  main() {
  <<<<
    print(0);
  ====
    print(c);
  >>>>
  }
