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1 // Copyright (c) 2016, 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 | |
5 import 'expect.dart'; | |
6 | |
7 class Box<T> { | |
8 T value; | |
9 | |
10 Box(this.value); | |
11 | |
12 factory Box.a(T v) => new Box(v); | |
13 factory Box.b(T v) = Box<T>; | |
14 factory Box.c(T v) => new Box(v); | |
15 } | |
16 | |
17 main() { | |
18 Expect.isTrue(new Box<int>(1).value == 1); | |
19 Expect.isTrue(new Box<int>.a(1).value == 1); | |
20 Expect.isTrue(new Box<int>.b(1).value == 1); | |
21 Expect.isTrue(new Box<int>.c(1).value == 1); | |
22 } | |
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