adds an argument invoked by an option without - or --.
adds an argument invoked by an option without - or --.
name in the usage text
adds final check.
adds a command invoked by an option without - or --.
adds a command invoked by an option without - or --.
name of the command
call this to express failure in custom validation.
adds usage text.
adds an option invoked by -x or --name that displays usage text and exits.
adds an option invoked by -x or --name that displays usage text and exits.
name of the short option
name of the option
adds an option invoked by --name that displays usage text and exits.
adds an option invoked by --name that displays usage text and exits.
name of the option
adds usage text.
adds an option invoked by -x value or --name value.
adds an option invoked by -x value or --name value.
name of the short option
name of the option
adds an option invoked by --name x.
adds an option invoked by --name x.
name of the option
call this to express success in custom validation.
adds an option invoked by -x or --name that displays header text and exits.
adds an option invoked by -x or --name that displays header text and exits.
name of the short option
name of the option
adds an option invoked by --name that displays header text and exits.
adds an option invoked by --name that displays header text and exits.
name of the option