logger.go
func (l *logger) Infoln(vals ...interface{}) {
	l.mut.Lock()
	defer l.mut.Unlock()
	s := fmt.Sprintln(vals...)
	l.logger.Output(2, "INFO: "+s)
	l.callHandlers(LevelInfo, s)
}
func (l *logger) Infoln(vals ...interface{}) {
	l.mut.Lock()
	defer l.mut.Unlock()
	s := fmt.Sprintln(vals...)
	l.logger.Output(2, "INFO: "+s)
	l.callHandlers(LevelInfo, s)
}
func ( l * logger ) Infoln ( vals ... interface { } ) { l . mut . Lock ( ) defer l . mut . Unlock ( ) s := fmt . Sprintln ( vals ... ) l . logger . Output ( 2 , " " + s ) l . callHandlers ( LevelInfo , s ) }
// Infoln logs a line with an INFO prefix.
Infoln logs a line with an INFO prefix .