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From: bobduff@world.std.com (Robert A Duff)
Subject: Re: Rules for Representation of Subtypes
Date: 1996/09/29
Message-ID: <DyGwtp.Bs1@world.std.com>#1/1
X-Deja-AN: 185936238
references: <mheaney-ya023080002209961353500001@news.ni.net>
 <1996Sep26.191257.1@eisner> <DyEr6p.38H@world.std.com>
 <1996Sep28.155354.1@eisner>
organization: The World Public Access UNIX, Brookline, MA
newsgroups: comp.lang.ada
Date: 1996-09-29T00:00:00+00:00
List-Id: <comp.lang.ada>


In article <1996Sep28.155354.1@eisner>,
Larry Kilgallen <kilgallen@eisner.decus.org> wrote:
>If the assignment of the output causes erroneousness,
>then why isn't the name of the operation Checked Conversion ?

Heh?  If it were checked, it would do something sensible, like raise an
exception, or return a well-defined result, or give a compile-time
error.  The UNchecked means, it's *not* checked -- if you do something
wrong, you get unpredictable behavior, i.e. erroneous execution.

- Bob