QVariant, QList, QSettings

[TheKedge]

Hello all,
what's going wrong here:
I'm reading in a list of integers from QSettings and that means doing some juggling with QList<QVariant>, no problem but I get a crash on leaving the function.

QList<QVariant> widths;
//fill the QList with some default value
	for(int col=0; col<tableWidget->columnCount(); ++col){
		widths << 80;//some standard width
	}
//read a QVariant from QSettings and convert it to a QList<QVariant>
	widths = settings.value("column widths").toList();
//or with a default value
	widths = settings.value("column widths", QVariant(widths)).toList();
//then I use the widths variable and get a crash on leaving the function

QList<QVariant> widths;
//fill the QList with some default value
	for(int col=0; col<tableWidget->columnCount(); ++col){
		widths << 80;//some standard width
	}
//read a QVariant from QSettings and convert it to a QList<QVariant>
	widths = settings.value("column widths").toList();
//or with a default value
	widths = settings.value("column widths", QVariant(widths)).toList();
//then I use the widths variable and get a crash on leaving the function

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thanks
K