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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | |
2 // for details. All rights reserved. Use of this source code is governed by a | |
3 // BSD-style license that can be found in the LICENSE file. | |
4 // Test to check that we can parse closure type formal parameters with | |
5 // default value. | |
6 | |
7 class FunctionTypeParameterTest { | |
8 | |
9 static var formatter; | |
10 | |
11 static SetFormatter([String fmt(int i) = null]) { | |
12 formatter = fmt; | |
13 } | |
14 | |
15 static void testMain() { | |
16 Expect.equals(null, formatter); | |
17 SetFormatter((i) => "$i"); | |
18 Expect.equals(false, null == formatter); | |
19 Expect.equals("1234", formatter(1230 + 4)); | |
20 SetFormatter(); | |
21 Expect.equals(null, formatter); | |
22 } | |
23 } | |
24 | |
25 main() { | |
26 FunctionTypeParameterTest.testMain(); | |
27 } | |
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