| /* | |
| * 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 Optional parameters may be specified and provided with default | |
| * values. | |
| * defaultFormalParameter: | |
| * normalFormalParameter ('=' expression)? | |
| * ; | |
| * defaultNamedParameter: | |
| * normalFormalParameter (':' expression)? | |
| * ; | |
| * @description Checks that the '=' character in an optional positional | |
| * parameter declaration must be followed by an expression. | |
| * @compile-error | |
| * @author iefremov | |
| */ | |
| f([var x = ]) {} | |
| main() { | |
| f(); | |
| } |