Method insert

ext/include/tsl/array-hash/array_set.h:165–167

#ifdef TSL_AH_HAS_STRING_VIEW
  std::pair<iterator, bool> insert(const std::basic_string_view<CharT>& key) {
    return m_ht.emplace(key.data(), key.size());
  }
#else
  std::pair<iterator, bool> insert(const CharT* key) {
    return m_ht.emplace(key, std::char_traits<CharT>::length(key));