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yap-6.3/Logtalk/examples/shapes/ph/SCRIPT
pmoura 9f1b358c04 Logtalk 2.26.2 files.
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1486 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
2005-12-24 18:00:21 +00:00

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=================================================================
Logtalk - Object oriented extension to Prolog
Release 2.26.2
Copyright (c) 1998-2005 Paulo Moura. All Rights Reserved.
=================================================================
% start by loading the example:
| ?- logtalk_load(shapes_ph(loader)).
...
% try some simple queries:
| ?- square::nsides(N).
N = 4
yes
| ?- square::area(A).
A = 1
yes
| ?- q1::(color(Color), side(Side), position(X, Y)).
Color = red
Side = 1
X = 0
Y = 0
yes
| ?- q2::(side(Side), area(Area), perimeter(Perimeter)).
Side = 3
Area = 9
Perimeter = 12
yes