QByteArray.split() returning QList with empty first element

[FreddyKay]

Hey Guys,

I got a QByteArray containing some data. I distinguish different kinds of data via key characters which I prepend with a '&' character. Currently the data QByteArray only contians something like this: data = "&t02.04.2014".

void foo(QByteArray data){
 
     QList<QByteArray> cmdList = data.split('&');
 
     if(cmdList.size() != data.count('&')) dispError("Command List size != number of '&'");
     //At this point the cmdList contains 2 elments where the first one is empty (presuming the data array is like noted above. 
 
     //do fancy stuff with the data
}

void foo(QByteArray data){

     QList<QByteArray> cmdList = data.split('&');

     if(cmdList.size() != data.count('&')) dispError("Command List size != number of '&'");
     //At this point the cmdList contains 2 elments where the first one is empty (presuming the data array is like noted above. 

     //do fancy stuff with the data
}

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I don't quite understand why there are two elments in the QList as I am only expecting one.