Method insert_or_assign

ext/include/tsl/array-hash/array_map.h:247–250

#ifdef TSL_AH_HAS_STRING_VIEW
  template <class M>
  std::pair<iterator, bool> insert_or_assign(
      const std::basic_string_view<CharT>& key, M&& obj) {
    return m_ht.insert_or_assign(key.data(), key.size(), std::forward<M>(obj));
  }
#else
  template <class M>
  std::pair<iterator, bool> insert_or_assign(const CharT* key, M&& obj) {