/* | |
* Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | |
* for details. All rights reserved. Use of this source code is governed by a | |
* BSD-style license that can be found in the LICENSE file. | |
*/ | |
/** | |
* @assertion It is a compile-time error if the arity of the user-declared | |
* operator - is not 0 or 1. | |
* The - operator is unique in that two overloaded versions are permitted. | |
* If the operator has no arguments, it denotes unary minus. | |
* If it as an argument, it denotes binary subtraction. | |
* @description Checks that a compile-time error is produced if a user-defined | |
* operator - specifies two parameters. | |
* @compile-error | |
* @author kaigorodov | |
*/ | |
class C { | |
operator -(var val, var val2) {} | |
} | |
main() { | |
new C() - new C(); | |
} |