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Re: Clean Object Class Design -- Circle/Ellipse

From: Marc Gluch <marc.gluch_at_mindtap.com>
Date: Sat, 18 Aug 2001 18:43:50 GMT
Message-ID: <3b7eb415.3672404208@news.grpvine1.tx.home.com> 






On Sat, 18 Aug 2001 15:35:52 GMT, "Richard MacDonald"
<macdonaldrj_at_att.net> wrote:



> The interesting question is  whether or not he is irrelevant.




 Was anyone able to articulate any benefits of the subtype==subset
definition  in the context of programming language theory, 
rather than database theory?



What does one gain by deriving Integer from Rational?



Marc Gluch


Mindtap Inc.
Received on Sat Aug 18 2001 - 13:43:50 CDT












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