Method HasOptionalValue

library/cpp/getopt/small/last_getopt_opt.h:253–255

* checks if "argument parsing politics" is OPTIONAL_ARGUMENT and the is set. */

         *  checks if "argument parsing politics" is OPTIONAL_ARGUMENT and the <optional value> is set.
         */
        bool HasOptionalValue() const {
            return OPTIONAL_ARGUMENT == HasArg_ && OptionalValue_;
        }

        /**
         *  @return optional value