// 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 Queue<E> abstract class 
/// Implements Iterable<E>
/// @description Checks that all members of [Iterable] are implemented.
/// @author kaigorodov

import "dart:collection";
import "all_tests.lib.dart";

Queue create([Iterable? content]) {
  if (content == null) {
    return new Queue();
  } else {
    return new Queue.from(content);
  }
}  

main() {
  test(create);  
}
