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_at_news.grpvine1.tx.home.com>
Date: Sat, 18 Aug 2001 18:43:50 GMT
Message-ID: <3b7eb415.3672404208_at_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