Method limit

lib/swoc/include/swoc/IntrusiveHashMap.h:330–334

// a search loop on an empty bucket because that will start with a nullptr candidate, matching the limit.
template <typename H>
auto
IntrusiveHashMap<H>::Bucket::limit() const -> value_type * {
  Bucket *n{_link._next};
  return n ? n->_v : nullptr;
};

template <typename H>
void