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yap-6.3/Logtalk/examples/classvars/SCRIPT
pmoura 0018e82503 Logtalk 2.20.1 files.
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1117 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
2004-08-19 13:46:40 +00:00

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=================================================================
Logtalk - Object oriented extension to Prolog
Release 2.20.1
Copyright (c) 1998-2004 Paulo Moura. All Rights Reserved.
=================================================================
% start by loading the example:
| ?- logtalk_load(loader).
...
% get the value of the class variable for each instance:
| ?- instance1::cv(Value1), instance2::cv(Value2), instance3::cv(Value3).
Value1 = 0
Value2 = 0
Value3 = 0
yes
% change the value of the class variable via instance1:
| ?- instance1::set_cv(1).
yes
% get the value of the class variable for the other instances:
| ?- instance2::cv(Value2), instance3::cv(Value3).
Value2 = 1
Value3 = 1
yes