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From: Dmitry A. Kazakov <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Anybody in US using ADA ? One silly idea..
Date: Tue, 28 Jan 2003 17:29:44 +0100
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Date: 2003-01-28T17:29:44+01:00
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On 28 Jan 2003 07:48:37 -0800, kcline17@hotmail.com (Kevin Cline)
wrote:

>Dmitry A. Kazakov <mailbox@dmitry-kazakov.de> wrote in message news:<3afc3v4uur2kvd53v4ul18b5npjfm188o3@4ax.com>...
>
>> But that's another thing. Here, Circle cannot use (inherit) the
>> methods of Ellipse. It inherits only the abstract methods of
>> EliipseInterface and thus, have to implement all of them for scratch.
>> This kills the whole idea of inheritance for code reuse.
>
>I thought that idea was dead many years ago, when it was discovered
>that failure to separate interface and implementation leads to a mess.

Why do you think that making related types [Ellipse and Circle]
siblings (i.e. in fact unrelated) should provide the separation?

---
Regards,
Dmitry Kazakov
www.dmitry-kazakov.de