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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 } | 12 } |
13 | |
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