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From: dewar@schonberg.cs.nyu.edu (Robert Dewar)
Subject: Re: Rules for Representation of Subtypes
Date: 1996/10/06
Message-ID: <dewar.844606008@schonberg>#1/1
X-Deja-AN: 187923813
references: <mheaney-ya023080002209961353500001@news.ni.net>
 <1996Sep28.155354.1@eisner> <DyGwtp.Bs1@world.std.com>
 <1996Sep29.082143.1@eisner> <DyKCDB.IrI@world.std.com>
organization: New York University
newsgroups: comp.lang.ada
Date: 1996-10-06T00:00:00+00:00
List-Id: <comp.lang.ada>


Bob Duff said

"It depends on how you instantiated my_unchecked_conversion.  If you used
a constrained integer, such that some values of Y will produce
out-of-range results, then it's erroneous, and the 'Valid will *not*
work.  Hence, my advice to always unchecked_convert to types that match
the hardware."

I don't see this, please give an exact example of what you are talking
about, and then exactly justify your statement above from the Ada 95 RM.