| // 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 it is a compile-time error when the the ':' | |
| /// character is used in an optional positional parameter declaration. | |
| /// @compile-error | |
| /// @author rodionov | |
| foo([var a = 1, var b: 2]) { | |
| return a; | |
| } | |
| main() { | |
| foo(); | |
| } |