Newsgroups: comp.object,comp.lang.smalltalk,comp.lang.ada
Path: cantaloupe.srv.cs.cmu.edu!europa.chnt.gtegsc.com!howland.reston.ans.net!gatech!news.mathworks.com!uunet!in1.uu.net!spcuna!ritz!richieb
From: richieb@ritz.mordor.com (Richard Bielak)
Subject: Re: Has C++ had its day?
References: <3ssjch$61o@steel.interlog.com> <dewar.804646227@gnat> <1995Jul3.143029.23983@merlin.hgc.edu> <NEWTNews.804892304.14898.sellers@sellers.sellers.com>
Organization: Mordor International BBS - Jersey City, NJ
Date: Mon, 10 Jul 1995 20:53:28 GMT
Message-ID: <DBIq14.GIL@ritz.mordor.com>
Lines: 33
Xref: glinda.oz.cs.cmu.edu comp.object:34811 comp.lang.smalltalk:25696 comp.lang.ada:32369

In article <NEWTNews.804892304.14898.sellers@sellers.sellers.com>,
John Sellers  <sellers@sellers.com> wrote:
>
>In Article<1995Jul3.143029.23983@merlin.hgc.edu>, <jcm@hgc.edu> 
>write:
>> ...
>> from the Eiffel Library Kernel Standard.
>> 
>> Some objects are NUMERIC (understand +,-, etc). Some are 
>COMPARABLE (understand
>> <, <=, etc.). REALs and INTEGERs are _both_, and so 
>conceptually are subtypes
>> of both. With multiple inheritance we can model the concept. 
>With single 
>> inheritance, which do you inherit from and how do you handle 
>the other one?
>> ...
>
>In Eiffel, what is an example of NUMERIC that isn't COMPARABLE?
>

[...]

COMPLEX, MATRIX, VECTOR....

...richie


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