# 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: |
  main() {
    var a = "hello";
  <<<< "hello"
    print(a);
  ==== "hello from closure"
    (() => print('$a from closure'))();
  >>>>
  }
