Function assign

inst/include/Rcpp/Environment.h:185–190

* Attempts to assign x to name in this environment * * @param name name of the object to assign * @param x object to assign * * @return true if the assign was successfull * see ?bindingIsLocked * * @throw binding_is_locked if the binding is locked */

         * @throw binding_is_locked if the binding is locked
         */
        bool assign( const std::string& name, SEXP x ) const{
            if( exists( name) && bindingIsLocked(name) ) throw binding_is_locked(name) ;
            SEXP nameSym = Rf_install(name.c_str());
            Rf_defineVar( nameSym, x, Storage::get__() );
            return true ;
        }

        bool assign(const std::string& name, const Shield<SEXP>& x) const {
            return assign(name, (SEXP) x);