negatable property
Whether this flag's value can be set to false.
For example, if name is flag, the user can pass --no-flag to set its
value to false.
This is null unless type is OptionType.flag.
Implementation
final bool? negatable;
Whether this flag's value can be set to false.
For example, if name is flag, the user can pass --no-flag to set its
value to false.
This is null unless type is OptionType.flag.
final bool? negatable;