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| 1 // Copyright (c) 2017, 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 |
1 class Foo {} | 5 class Foo {} |
2 | 6 |
3 class Bar extends Foo {} | 7 class Bar extends Foo {} |
4 | 8 |
5 class Base { | 9 class Base { |
6 Foo method() { | 10 Foo method() { |
7 return new Foo(); | 11 return new Foo(); |
8 } | 12 } |
9 } | 13 } |
10 | 14 |
11 class Sub extends Base { | 15 class Sub extends Base { |
12 Foo method() { | 16 Foo method() { |
13 return new Bar(); | 17 return new Bar(); |
14 } | 18 } |
15 } | 19 } |
16 | 20 |
17 main(List<String> args) { | 21 main(List<String> args) { |
18 var object = args.length == 0 ? new Base() : new Sub(); | 22 var object = args.length == 0 ? new Base() : new Sub(); |
19 var a = object.method(); | 23 var a = object.method(); |
20 print(a); | 24 print(a); |
21 } | 25 } |
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