// Copyright (c) 2011, 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.

/// @assertion  abstract void forEach(void f(K key, V value))
/// Applies f to each {key, value} pair of the map.
/// @description Tries to pass function that returns something.
/// @author msyabro

library forEach_A01_t05;

test(Map create([Map content])) {
  Map map = create();
  
  map["1"] = 3;
  map["2"] = 5;
  
  int f(var x, var y) {
    return 1;
  }
  
  map.forEach(f);
}
