>>What exactly is the purpose of abstract classes in VFP?
>
>Declaring a class as abstract in OTHER languages makes sure that the class won't be instantiated directly. The idea is that the class is somehow incomplete, and that some details have to be filled in at a lower level.
That's one idea that came to mind: Build in code that generates an 'error' when such an 'abstract' class is used in a concrete case. But it would probably be a ridiculous construction.
>This can't be enforced in Visual FoxPro, but I suppose it still makes sense to use inheritance in such a way that the superclass isn't useful by itself. But again, there is no way to enforce it.
Is there a good reason of are we just brainwashed to think that there is sense to use it?!
Groet,
Peter de Valença
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