Method to create an Arg with name given as w and value v.
Method to create an Arg with name given as w and value v.
the name of the arg.
the value of the arg.
v valueless Arg[String] with name w and value v.
Method to create an Arg with name given as w and no value.
Method to create an Arg with name given as w and no value.
the name of the arg
a valueless Arg[String] with name w.