>> That doesn't work. For variable-sized objects, it would need >> to be ob_base.ob_base.ob_type. > > I was wondering about that. It seems that each level > of inheritance is going to add another level of > required member access. Or is it legal to short- > circuit all that and just cast directly to the > ultimate base object?
As the PEP explains: you can cast a struct pointer to pointer to the first field. That works recursively: if the first field is a struct again, you can also cast to a pointer to that struct's first field. Regards, Martin _______________________________________________ Python-3000 mailing list Python-3000@python.org http://mail.python.org/mailman/listinfo/python-3000 Unsubscribe: http://mail.python.org/mailman/options/python-3000/archive%40mail-archive.com
