* @brief Return true if the custom data is set by user. * * @return true * @return false */

* @brief Move the write pointer forward when the new data has been written * to the buffer. * * @param len */

* @brief Return the index of the event loop. * * @return size_t */

* @brief Check if the event loop is calling a function. * * @return true * @return false */

* @brief Check whether there is no event enabled on the socket. * * @return true * @return false */

* @brief Check whether the read event is enabled on the socket. * * @return true * @return false */

* @brief Construct a new serial task queue instance. * * @param name */

* @brief Return true if the time point is in a same second as another. * * @param date * @return true * @return false */

* @brief Return true if the address is not initialized. */

* @brief Check whether the write event is enabled on the socket. * * @return true * @return false */

* @brief An idle connection is a connection that has no read or write, kick * off it after timeout seconds. * * @param timeout */

* @brief Get the current log level. * * @return LogLevel */

* @brief Get the number of milliseconds since 1970-01-01 00:00. * * @return int64_t */