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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 // There is no unary plus operator in Dart. | 5 // There is no unary plus operator in Dart. |
| 6 // Only a number literal can be preceded by a "+'". | 6 // Only a number literal can be preceded by a "+'". |
| 7 | 7 |
| 8 main() { | 8 main() { |
| 9 var a = + 1; /// 01: compile-time error | 9 var a = + 1; /// 01: compile-time error |
| 10 var x = +"foo"; /// 02: compile-time error | 10 var x = +"foo"; /// 02: compile-time error |
| 11 var x = + "foo"; /// 03: compile-time error | 11 var x = + "foo"; /// 03: compile-time error |
| 12 var z = +12; | |
|
ahe
2012/04/20 09:25:56
This is tested by language/Unary2Test.
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| 13 var y = +.2; | |
|
ahe
2012/04/20 09:25:56
Ditto.
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| 14 } | 12 } |
| 15 | 13 |
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