bsl::operator==

template<
    class _Val,
    class _Traits,
    class _Traits1,
    class _Key,
    class _HF,
    class _ExK,
    class _EqK,
    class _All>
bool
operator==(
    _Ht_iterator<_Val, _Traits, _Key, _HF, _ExK, _EqK, _All> const& __x,
    _Ht_iterator<_Val, _Traits1, _Key, _HF, _ExK, _EqK, _All> const& __y);