| // 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 file. | |
| import 'dart:collection' as collection; | |
| class Foo extends Object with collection.ListMixin { | |
| int get length => 0; | |
| operator [](int index) => null; | |
| void operator []=(int index, value) => null; | |
| set length(int newLength) => null; | |
| } | |
| main() { | |
| new Foo(); | |
| } |