Method optional_parser

src/Chain/libraries/glua/lparsercombinator.cpp:2037–2040

        }

        ParserFunctor *ParserContext::optional_parser(ParserFunctor *parser)
        {
            return p_or(parser, empty_parser());
        }

        ParserFunctor *ParserContext::repeatStar(ParserFunctor *parser)
        {