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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Derived private interface
Date: Thu, 11 Aug 2011 10:07:11 +0200
Organization: cbb software GmbH
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Date: 2011-08-11T10:07:11+02:00
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On Wed, 10 Aug 2011 16:56:00 -0500, Randy Brukardt wrote:

> "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> wrote in message 
> news:1bs0xoar40rx.6yb23bgkfrew.dlg@40tude.net...

>> In reality
>> there are many dispatching calls and many class-wide operations (for which
>> there is no typed procedural equivalent).
> 
> Reality? The reality is in the web server interface I was describing there 
> was only one such point of dispatch, and only a single interface to dispatch 
> to. It's clearly a special case, but one that is pretty common in the 
> systems I've worked on.

The problem is that starting a project without OO, you have to gamble on
whether this indeed is a special case and will remain special.

This is called fragile design.

It is bad that Ada offers a choice between types having classes and types
without classes. A decision which should not be taken at all.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de