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From: Robert A Duff <bobduff@shell01.TheWorld.com>
Newsgroups: comp.lang.ada
Subject: Re: Getting modular type size in bits
Date: 14 Mar 2003 10:41:44 -0500
Organization: The World Public Access UNIX, Brookline, MA
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Jano <402450@cepsz.unizar.es> writes:

> type Number is Mod 2**32;
> 
> I want to know that the type size is 5. I'm aware of the 'modulus 
> attribute, and 'size. If I understand correctly, 'size returns the size 
> allocated by the compiler for the type (normally 8 in this case), not 
> the _minimum_ size to allocate it (which is what I would need in that 
> case).

'Size returns the minimum -- i.e. how big it would be if it were a
component of a packed record.  That's 32 in this case.  If it were
"mod 2**5", then Number'Size would be 5, not 8.

- Bob