Debug level logging.

Debugd level logging with id.

Debugf debug-level logging with format.

Debugfd debug-level logging with format and id.

Error level logging.

Errord level logging with id.

Errorf error-level logging with format.

Errorfd error-level logging with format and id.

Fatal level logging and os.Exit.

Fatald level logging with id.

Fatalf fatal-level logging with format.

Fatalfd fatal-level logging with format and id.

Info level logging.

Infod level logging with id.

Infof info-level logging with format.

Infofd info-level logging with format and id.

Panic level logging and panic.

Panicd level logging with id.

Panicf panic-level logging with format.

Panicfd panic-level logging with format and id.

Warn level logging.

Warnd level logging with id.

Warnf warn-level logging with format.

Warnfd warn-level logging with format and id.