Method Cb

net/TcpClient.cpp:78–79

      td::actor::send_closure(id_, &TcpClientImpl::process_query_error, connection_id_, query_id, std::move(error));
    }
    Cb(td::actor::ActorId<TcpClientImpl> id, ConnectionId connection_id) : id_(id), connection_id_(connection_id) {
    }
  };
  return std::make_unique<Cb>(actor_id(this), connection_id);
}