Method is_nil

lib/cpp/src/thrift/TUuid.cpp:47–51

}

bool TUuid::is_nil() const noexcept {
  boost::uuids::uuid uuid_tmp{};
  std::copy(this->begin(), this->end(), std::begin(uuid_tmp));
  return uuid_tmp.is_nil();
}

std::string to_string(const TUuid& in) {
  boost::uuids::uuid uuid_tmp{};