struct multi_line_comment
: public FSM::InterfaceMixin<multi_line_comment> {
    template<typename Iterator> bool operator()(Iterator& begin, Iterator end) const {
        return (MakeEquality(L'/') >> MakeEquality(L'*')  >> *( !(MakeEquality(L'*') >> MakeEquality(L'/')) >> (multi_line_comment() || eps))  >> eps >> eps)(begin, end);
    }
};