Method invoke

inst/include/Rcpp/module/Module.h:53–67

* calls a function from that module with the specified arguments * * @param name the name of the function to call * @param args an array of R objects to use as arguments for the function * @param nargs number of arguments */

         * @param nargs number of arguments
         */
        inline SEXP invoke( const std::string& name_, SEXP* args, int nargs){ 	// #nocov start
            MAP::iterator it = functions.find( name_ );
            if( it == functions.end() ){
                throw std::range_error( "no such function" ) ;
            }
            CppFunction* fun = it->second ;
            if( fun->nargs() > nargs ){
                throw std::range_error( "incorrect number of arguments" ) ;
            }

            return List::create(
                _["result"] = fun->operator()( args ),
                _["void"]   = fun->is_void()
            ) ;
        }

        /**
         * vector of arity of all the functions exported by the module