Return whether a default value was provided for the argument. \return Whether a default was provided. */
| 231 | \return Whether a default was provided. |
| 232 | */ |
| 233 | virtual bool defaultProvided() const |
| 234 | { return false; } |
| 235 | /** |
| 236 | Return a string representation of an Arg's default value, or an |
| 237 | empty string if none exists. |