| /* |
| * 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 Unary expressions invoke unary operators on objects. |
| * unaryExpression: |
| * prefixOperator unaryExpression | |
| * awaitExpression | |
| * postfixExpression | |
| * (minusOperator | tildeOperator) super | |
| * incrementOperator assignableExpression |
| * ; |
| * prefixOperator: |
| * minusOperator | |
| * negationOperator | |
| * tildeOperator |
| * ; |
| * minusOperator: |
| * ‘-’ | |
| * ; |
| * negationOperator: |
| * ‘!’ | |
| * ; |
| * tildeOperator: |
| * ‘˜’ |
| * ; |
| * A unary expression is either a postfix expression, an await expression or |
| * an invocation of a prefix operator on an expression or an invocation of a |
| * unary operator on either super or an expression e. |
| * @description Checks that '-' cannot be used with |
| * a reference to a function type alias name without a compile error. |
| * @compile-error |
| * @author msyabro |
| */ |
| |
| typedef f(); |
| |
| main() { |
| -f; |
| } |