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From: bobduff@world.std.com (Robert A Duff)
Subject: Re: 'size attribute inheritance
Date: 1997/08/17
Date: 1997-08-17T00:00:00+00:00	[thread overview]
Message-ID: <EF27nr.K8H@world.std.com> (raw)
In-Reply-To: 33F670EF.4F65@flash.net


In article <33F670EF.4F65@flash.net>,
Ken Garlington  <Ken.Garlington@computer.org> wrote:
>I suppose this is technically true, but couldn't the effect of
>pragam Normalize_Scalars, when combined with 'Valid and/or range
>checking, be informally described as checking for uninitialized
>variables?

Sort of, but you have to remember that (1) the check doesn't happen when
you read the uninit var -- it happens *if* and when you use it in some
way that requires a range check, and (2) it only works if there are
enough bits to store the out-of-range value (it probably won't work for
a variable of type Character or Integer, for example).

- Bob




  parent reply	other threads:[~1997-08-17  0:00 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1997-08-09  0:00 'size attribute inheritance Carlos Palenzuela
1997-08-10  0:00 ` Robert Dewar
1997-08-11  0:00   ` Ken Garlington
1997-08-11  0:00   ` Matthew Heaney
1997-08-10  0:00 ` Matthew Heaney
1997-08-11  0:00   ` Robert Dewar
1997-08-12  0:00     ` Matthew Heaney
1997-08-13  0:00       ` Ken Garlington
1997-08-13  0:00         ` Matthew Heaney
1997-08-13  0:00       ` Robert A Duff
1997-08-13  0:00         ` Matthew Heaney
1997-08-14  0:00           ` Robert A Duff
1997-08-14  0:00             ` Dale Stanbrough
1997-08-16  0:00           ` Robert Dewar
1997-08-16  0:00             ` Ken Garlington
1997-08-17  0:00               ` Robert Dewar
1997-08-18  0:00                 ` Robert A Duff
     [not found]                   ` <dewar.872433846@merv>
1997-09-03  0:00                     ` Robert A Duff
1997-09-06  0:00                       ` Robert Dewar
1997-09-08  0:00                         ` Robert A Duff
1997-08-17  0:00               ` Robert A Duff [this message]
1997-08-10  0:00 ` Robert A Duff
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