text: // Copyright (c) 2021 MIT Digital Currency Initiative,
  //                    Federal Reserve Bank of Boston
  // Distributed under the MIT software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #include "hashmap.hpp"
  
  namespace cbdc::hashing {
      auto null::operator()(const hash_t& hash) const noexcept -> size_t {
          size_t ret{};
          std::memcpy(&ret, hash.data(), sizeof(ret));
          return ret;
      }
  }
  