operator<=

operator<=

template<class RanIt, class T, class Ref, class Ptr, class Dist>
    bool operator<=(
        const reverse_iterator<RanIt, T, Ref, Ptr, Dist>& lhs,
        const reverse_iterator<RanIt, T, Ref, Ptr, Dist>& rhs);

The template operator returns !(rhs < lhs).