Method nargs

inst/include/Rcpp/Module.h:228–228

            return get_new( args, traits::make_index_sequence<sizeof...(T)>() ) ;
        }
        virtual int nargs(){ return sizeof...(T) ; }
        virtual void signature(std::string& s, const std::string& class_name ){
            ctor_signature<T...>(s, class_name) ;
        }