ordering=(ordering)
Instance Public methods
Set the handling of the ordering of options and
arguments. A RuntimeError is raised if
option processing has already started.
The supplied value must be a member of GetoptLong::ORDERINGS. It alters the
processing of options as follows:
REQUIRE_ORDER :
Options are required to occur before non-options.
Processing of options ends as soon as a word is encountered that has not
been preceded by an appropriate option flag.
For example, if -a and