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Logtalk - Object oriented extension to Prolog
Release 2.21.5
Copyright (c) 1998-2004 Paulo Moura. All Rights Reserved.
% start by loading the example:
| ?- logtalk_load(loader).
...
% instance1 definition for method "method" is found in its class:
| ?- instance1::method.
This is the default definition for the method, stored in class root.
yes
% instance2 overrides definition of method "method"
| ?- instance2::method.
This is an overriding definition stored in the instance2 instance itself.
% instance3 specializes definition of method "method"
| ?- instance3::method.
This is a specializing definition stored in the instance3 instance itself.
It makes a super call to execute the default definition:
