33 lines
566 B
Plaintext
33 lines
566 B
Plaintext
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=================================================================
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Logtalk - Object oriented extension to Prolog
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Release 2.8.4
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Copyright (c) 1998-2001 Paulo Moura. All Rights Reserved.
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=================================================================
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% some queries dealing with instance/class hierarchies:
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| ?- object::ancestors(Ancestors).
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Ancestors = [class, abstract_class, object]
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Yes
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| ?- class::instances(Instances).
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Instances = [object, abstract_class, class]
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Yes
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| ?- class::superclass(Super).
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Super = abstract_class ;
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Super = object ;
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No
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