[Docs] class.StringFilter add example expression.
In this section: https://docs.gtk.org/gtk4/class.StringFilter.html It would be great to have an example how the expression would look like using the stringList
When you work with StringList and SignalListItemFactory you will learn that in the binding function you get the string by: ListItem->item->string This made me think I need an expression doing the same. But StringFilter already gets the item from the ListItem. So only the last stem is needed. This was hard to debug because the error message just told me that my expression is wrong.
An example:
setup for a filter for a model using the StringList
is setup as`