A std::string containing the short-name option identifier (e.g. "h" for the -h/--help option). Although not suggested the short-name can contain more than 1 character.

Remarks: Note that the leading "-" is not passed.

A std::string containing the long-name option identifier (e.g. "help" for the -h/--help option).

Remarks: Note that the leading "--" is not passed.

A std::string containing the help text associated with this option.

A ArgParseArgument::ArgumentType for the option (e.g., an integer argument).

Types: ArgParseArgument

The label to use for the argument in the help text, e.g. "NUMBER" for an integer. Optional.

Types: char const *

Default: ""

Whether or not the argument allows multiple values.

Types: bool

Default: false