| // 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 not a compile-time error if the name of a |
| /// positional optional parameter begins with an '_' character. |
| /// @author msyabro |
| /// @reviewer kaigorodov |
| /// @reviewer iefremov |
| /// @reviewer rodionov |
| /// @note renamed from 2_Optional_Formals_A03_t01 |
| |
| |
| main() { |
| void func([var _x]) {} |
| func(1); |
| } |
