| // 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. |
| |
| // @dart = 2.9 |
| |
| /// @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. |
| /// @author rodionov |
| /// @reviewer kaigorodov |
| |
| |
| foo([var a = 1, var b: 2]) { |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| return a; |
| } |
| |
| main() { |
| try { |
| foo(); |
| } catch (x) {} |
| } |
