Method erase

include/boost/parser/parser.hpp:6223–6226

            of the symbol table inside the parse context `context`. */
        template<typename Context>
        void erase(Context const & context, std::string_view str) const
        {
            this->parser_.erase(context, str);
        }

        /** Erases all the entries from the copy of the symbol table inside
            the parse context `context`. */