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Newsgroups: comp.lang.ada,comp.lang.c++,comp.realtime,comp.software-eng
Subject: Re: Teaching new tricks to an old dog (C++ -->Ada)
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From: "Ed Falis" <falis@verizon.net>
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Date: Thu, 24 Mar 2005 03:13:27 GMT
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Date: 2005-03-24T03:13:27+00:00
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On 23 Mar 2005 18:16:42 -0800, Jerry Coffin <jcoffin@taeus.com> wrote:

>> Sorry, but if you think a class is called a tagged record in Ada,
>> you don't understand the language.
> I'll openly admit that my knowledge of Ada 95 is _extremely_ limited
> (I'm afraid I quit using Ada before 1995). Perhaps I need to take
> another look in this area.
> OTOH, doing a bit more looking, if I've misunderstood the situation, at
> least I have some company.  For example:


This is just a matter of simile.  A tagged type and derivatives of tagged  
types provide dispatching and other typical OOP facilities.  Where the  
concept differs from the class concept is that visibility is orthogonal,  
provided by packages and other more traditional Ada facilities, while the  
class concept combines the two.

- Ed