| // Copyright (c) 2012, 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"; |
| |
| class Closure { |
| var x; |
| Closure(val) : this.x = val; |
| |
| foo() { |
| return () { |
| return x; |
| }; |
| } |
| |
| bar() { |
| return () { |
| return toto(); |
| }; |
| } |
| |
| toto() { |
| return x + 1; |
| } |
| |
| nestedClosure() { |
| var f = () { |
| return x; |
| }; |
| return () { |
| return f() + 2; |
| }; |
| } |
| } |
| |
| main() { |
| var c = new Closure(499); |
| var f = c.foo(); |
| Expect.equals(499, f()); |
| Expect.equals(500, c.bar()()); |
| Expect.equals(501, c.nestedClosure()()); |
| } |