Function invoke

inst/include/Rcpp/Function.h:126–131

        }

        SEXP invoke(SEXP args_, SEXP env) const {
            Shield<SEXP> args(args_);
            Shield<SEXP> call(Rcpp_lcons(Storage::get__(), args));
            SEXP out = Rcpp_fast_eval(call, env);
            return out;
        }

    };