Method SetDiff

inst/include/Rcpp/sugar/functions/setdiff.h:48–54

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

        SetDiff( const LHS_T& lhs, const RHS_T& rhs) :
            lhs_set( get_const_begin(lhs), get_const_end(lhs) ),
            rhs_set( get_const_begin(rhs), get_const_end(rhs) )
        {

            std::for_each( rhs_set.begin(), rhs_set.end(), RemoveFromSet<SET>(lhs_set) ) ;
        }

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