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Logtalk - Object oriented extension to Prolog
Release 2.29.1
Copyright (c) 1998-2006 Paulo Moura. All Rights Reserved.
This directory contains two versions, one prototype-based and the
other one class-based, of a very simple geometric shapes hierarchy.
The aim of this example is to compare the pros and cons of using
either prototypes or classes for defining object hierarchies.
ph
prototype-based version
ch
class-based version
Both versions define the following hierarchy of objects:
shape
polygon
regular_polygon
square
q1
q2