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From: Jeffrey Carter <spam.jrcarter.not@spam.not.acm.org>
Newsgroups: comp.lang.ada
Subject: Re: Unchecked_Conversion vs Address-overlaying
Date: Sun, 26 May 2013 19:33:18 -0700
Organization: Also freenews.netfront.net; news.tornevall.net
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On 05/26/2013 04:34 PM, Shark8 wrote:
 >
 >          -- Our undervalued friend, the Nybble and the Byte, as well
 >          -- as a type that serves as a collection of bytes.
 >     Subtype Nybble    is Interfaces.Unsigned_8 Range 16#0#..16#F#;
 >     Subtype Byte    is Interfaces.Unsigned_8;
 >     Type Byte_String is Array(Positive Range <>) of Byte;

If Storage_Element and Unsigned_8 aren't the same size, it's unlikely that the 
overlay will work, given this definition for Byte_String. So why not simply 
assert Storage_Element'Size = 8 and work directly on the elements of Item.all?

-- 
Jeff Carter
"My mind is a raging torrent, flooded with rivulets of
thought, cascading into a waterfall of creative alternatives."
Blazing Saddles
89