| // Copyright (c) 2016, 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'; | |
| f(fun) => fun(); | |
| class A { | |
| identity(arg) { | |
| return f(() { | |
| print(this); | |
| return f(() { | |
| return this; | |
| }); | |
| }); | |
| } | |
| } | |
| main() { | |
| var a = new A(); | |
| Expect.isTrue(identical(a.identity(42), a)); | |
| } |