// Copyright (c) 2014, 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.

import "package:expect/expect.dart";

// The intermediate variable 'y' must either be preserved
// or parameters must be renamed.

foo(x) {
  var y = x;
  bar(x) {
    return y - x;
  }

  return bar;
}

main() {
  Expect.equals(-10, foo(10)(20));
}