From: Martin Krischik <martin@krischik.com>
Subject: Re: A question re meaning/use of the "for ... use ..."
Date: Sun, 05 Dec 2004 16:47:39 +0100
Date: 2004-12-05T16:47:39+01:00 [thread overview]
Message-ID: <18377261.cty3m9OIig@linux1.krischik.com> (raw)
In-Reply-To: 41b3291e$0$44072$5fc3050@dreader2.news.tiscali.nl
Erik J Pessers wrote:
> Hi,
>
> A question re meaning/use of the "for ... use ..." construct.
>
> Given the code snippet at the bottom of this mail, I was sort of
> expecting to see an output reading like:
>
> Pos for AA : 0
> Pos for BB : 2
> Pos for CC : 3
That is what I would like as well. However the 'Pos( Attribute is defined
differently by the standard.
> Instead (when compiling with bot Gnat3.15p and Gnat-3.4.2-2),
> the actual code output reads:
>
> Pos for AA : 0
> Pos for BB : 1
> Pos for CC : 2
>
>
> Anybody who can shed some light, and explain what will be
> going on behind the curtains?
AFAIK the representation clause sets the internal representation which you
can access with Unchecked_Convertion or which is used for writing to files
and 'Pos will allways return the position regardless of internal
representation.
One of the very very few designs in Ada which I find stupid.
With Regards
Martin
--
mailto://krischik@users.sourceforge.net
http://www.ada.krischik.com
next prev parent reply other threads:[~2004-12-05 15:47 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-05 15:27 A question re meaning/use of the "for ... use ..." Erik J Pessers
2004-12-05 15:47 ` Martin Krischik [this message]
2004-12-05 15:59 ` Stephen Leake
2004-12-05 16:52 ` Jeffrey Carter
2004-12-06 19:59 ` Randy Brukardt
2004-12-07 1:36 ` Jeffrey Carter
2004-12-07 2:40 ` David C. Hoos, Sr.
2004-12-07 20:59 ` Randy Brukardt
2004-12-08 1:41 ` Jeffrey Carter
2004-12-08 8:40 ` Martin Dowie
2004-12-08 16:23 ` Georg Bauhaus
2004-12-08 3:18 ` Keith Thompson
2004-12-08 13:48 ` David C. Hoos
2004-12-08 19:50 ` Randy Brukardt
2004-12-08 23:00 ` Keith Thompson
2004-12-09 23:06 ` Randy Brukardt
2004-12-10 2:26 ` Keith Thompson
2004-12-10 19:42 ` Randy Brukardt
2004-12-10 21:18 ` Keith Thompson
2004-12-11 0:53 ` Keith Thompson
2004-12-10 3:13 ` David C. Hoos
2004-12-10 9:23 ` Keith Thompson
2004-12-10 13:24 ` David C. Hoos
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