:- object(abstract_class,
implements(abstract_classp),
instantiates(class),
specializes(object)).
:- info([
version is 2,
author is 'Paulo Moura',
date is 2000/7/24,
comment is 'Default metaclass for all abstract classes.']).
metaclass :-
self(Self),
instantiates_class(Class, Self),
this(This),
Class::ancestor(This).
abstract_class :-
Self \= abstract_class.
strict_instance :-
fail.
:- end_object.
