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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 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. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 import "package:expect/expect.dart"; | 5 import "package:expect/expect.dart"; |
6 | 6 |
7 // This checks that it is possible to have a method named negate as | 7 // This checks that it is possible to have a method named negate as |
8 // well as unary- operator. | 8 // well as unary- operator. |
9 | 9 |
10 class Foo { | 10 class Foo { |
11 operator-() => 42; | 11 operator -() => 42; |
12 negate() => 87; | 12 negate() => 87; |
13 } | 13 } |
14 | 14 |
15 main() { | 15 main() { |
16 Expect.equals(42, -new Foo()); | 16 Expect.equals(42, -new Foo()); |
17 Expect.equals(87, new Foo().negate()); | 17 Expect.equals(87, new Foo().negate()); |
18 } | 18 } |
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