Method Union

inst/include/Rcpp/sugar/functions/setdiff.h:138–142

        typedef typename Rcpp::traits::storage_type<RTYPE>::type STORAGE ;

        Union( const LHS_T& lhs, const RHS_T& rhs) :
            result( get_const_begin(lhs), get_const_end(lhs) )
        {
            result.insert( get_const_begin(rhs), get_const_end(rhs) ) ;
        }

        Vector<RTYPE> get() const {
            R_xlen_t n = result.size() ;