Function StringNext

src/common/string_util.cc:550–558

}

std::string StringNext(std::string s) {
  for (auto iter = s.rbegin(); iter != s.rend(); ++iter) {
    if (*iter != char(0xff)) {
      (*iter)++;
      break;
    }
  }
  return s;
}

std::string StringDigest(std::string_view s) {
  XXH64_hash_t hash = XXH3_64bits(s.data(), s.size());