func (l *Logger) Fatal(args ...interface{}) {
	l.log(CRITICAL, nil, args...)
	os.Exit(1)
}
func (l *Logger) Fatal(args ...interface{}) {
	l.log(CRITICAL, nil, args...)
	os.Exit(1)
}
func ( l * Logger ) Fatal ( args ... interface { } ) { l . log ( CRITICAL , nil , args ... ) os . Exit ( 1 ) }
// Fatal is equivalent to l.Critical(fmt.Sprint()) followed by a call to os.Exit(1).
Fatal is equivalent to l . Critical ( fmt . Sprint () ) followed by a call to os . Exit ( 1 ) .