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From: Keith Thompson <kst-u@mib.org>
Newsgroups: comp.lang.ada
Subject: Re: for S'Image use Func??
Date: Fri, 07 May 2010 11:24:16 -0700
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Date: 2010-05-07T11:24:16-07:00
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"Randy Brukardt" <randy@rrsoftware.com> writes:
> "Adam Beneschan" <adam@irvine.com> wrote in message 
> news:2318cabb-080c-42a0-8219-21c347abe172@o11g2000yqj.googlegroups.com...
> On May 6, 10:10 am, Warren <ve3...@gmail.com> wrote:
> ...
>>Broadly, you can't use a FOR attribute specification on every
>>attribute, just a few select ones that the language specifically says
>>you can.  'Image isn't one of those.
>>
>>I think it's been mentioned a few times on this newsgroup that it
>>might be nice to have this ability, but I don't see that anyone has
>>submitted an actual language change proposal.
>
> I believe we looked at it semi-seriously back during the Ada 2005, but we 
> ran into some problems (I don't recall the details - might have been 
> visibility) and decided it wasn't worth the headache.
>
> It would probably be possible with some work.

The interaction with 'Value and 'Width, and with the Wide_ and
Wide_Wide_ variants of all three attributes, would be ... interesting.

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Nokia
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"