QLayout::takeAt() example code does not delete item from layout

I think there is a mistake in the section QLayoutItem * QLayout::takeAt(int index) [pure virtual] of the page QLayout Class Reference.

The example read as follows:

QLayoutItem *child;
while ((child = layout->takeAt(0)) != 0)

That code snippet doesn't actually delete the item from the layout.
To delete the item from the layout you need to add delete child->widget().

This is happening at least with QVBoxLayout.