Method cbegin

ext/include/tsl/array-hash/array_hash.h:1026–1035

  const_iterator begin() const noexcept { return cbegin(); }

  const_iterator cbegin() const noexcept {
    auto begin = m_buckets_data.cbegin();
    while (begin != m_buckets_data.cend() && begin->empty()) {
      ++begin;
    }

    return (begin != m_buckets_data.cend())
               ? const_iterator(begin, begin->cbegin(), this)
               : cend();
  }

  iterator end() noexcept {
    return iterator(m_buckets_data.end(), array_bucket::cend_it(), this);