From: Martin Krischik <krischik@users.sourceforge.net>
Subject: Re: Integer'Class
Date: Tue, 05 Oct 2004 09:16:14 +0200
Date: 2004-10-05T09:16:14+02:00 [thread overview]
Message-ID: <1920040.70vYlTklcI@linux1.krischik.com> (raw)
In-Reply-To: cjsoqg$re7$04$1@news.t-online.com
Rick Santa-Cruz wrote:
> Hi,
>
> sorry for so many questions.... maybe that's easy answer, but I don't
> find any senseful answer to that:
> Why can't I use: Integer'Class, but I can derive a new class from Integer
> in writing:
> type New_Int is new Integer range 1..100;
> Isn't this unlogical? Or have I missunderstand something completly?
'Class is the tag of OO-classes. In C++ talk: virtual function table and
RTTI rolled in one.
The parent for simple types is 'Base. The 'Base of Integer is
universal_integer - a compiler internal type which cannot be used directly.
Saying that, I now start to wonder what 'Base of a tagged type is...
With Regards
Martin
--
mailto://krischik@users.sourceforge.net
http://www.ada.krischik.com
next prev parent reply other threads:[~2004-10-05 7:16 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-05 0:10 Integer'Class Rick Santa-Cruz
2004-10-05 0:52 ` Integer'Class Jeffrey Carter
2004-10-05 1:00 ` Integer'Class Rick Santa-Cruz
2004-10-05 19:45 ` Integer'Class Jeffrey Carter
2004-10-05 7:16 ` Martin Krischik [this message]
2004-10-05 19:49 ` Integer'Class Jeffrey Carter
2004-10-05 8:45 ` Integer'Class Dmitry A. Kazakov
-- strict thread matches above, loose matches on Subject: below --
2004-10-05 7:35 Integer'Class Christoph Karl Walter Grein
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