Method SetEqual

inst/include/Rcpp/sugar/functions/setdiff.h:76–80

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

        SetEqual( 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) )
        {
        }

        bool get() const {
            if( lhs_set.size() != rhs_set.size() ) return false ;