From: JP Thornley <jpt@diphi.demon.co.uk>
Subject: Re: Fortran's Equivalence
Date: 1997/04/02
Date: 1997-04-02T00:00:00+00:00 [thread overview]
Message-ID: <881443566wnr@diphi.demon.co.uk> (raw)
In-Reply-To: dewar.859697187@merv
In article: <dewar.859697187@merv> dewar@merv.cs.nyu.edu (Robert Dewar)
writes:
> ............................... In the RM there is absolutely
> no preference for the use of unchecked conversion over the use of
address
> overlays. You should use whichever of the two is more convenient.
Whichever is used it must be important to show that writing a valid
value in one type cannot result in a read of an invalid value of the
other - and in general this will be easier if Unchecked_Conversion
(which is strictly one-way) is used rather than overlays.
Am I right in feeling that 13.9.1(14) applies to both (even though it is
only a note)?
Phil Thornley
--
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| JP Thornley EMail jpt@diphi.demon.co.uk |
| phil.thornley@acm.org |
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next prev parent reply other threads:[~1997-04-02 0:00 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
1997-03-25 0:00 Fortran's Equivalence Viqar Abbasi
1997-03-26 0:00 ` Michael F Brenner
1997-03-26 0:00 ` Larry Kilgallen
1997-03-28 0:00 ` Oliver Kellogg
1997-03-29 0:00 ` Matthew Heaney
1997-03-29 0:00 ` Robert Dewar
1997-04-01 0:00 ` Keith Thompson
1997-04-01 0:00 ` Robert Dewar
1997-04-01 0:00 ` Robert A Duff
1997-04-01 0:00 ` Robert Dewar
1997-04-04 0:00 ` Keith Thompson
1997-04-04 0:00 ` Robert Dewar
1997-04-07 0:00 ` Keith Thompson
1997-04-07 0:00 ` Charles H. Sampson
1997-04-07 0:00 ` Viqar Abbasi
1997-04-08 0:00 ` Charles H. Sampson
1997-04-08 0:00 ` Robert Dewar
[not found] ` <1997Apr15.163103.27481@nosc.mil>
1997-04-16 0:00 ` Robert Dewar
1997-04-08 0:00 ` Matthew Heaney
1997-04-09 0:00 ` Stephen Leake
1997-04-09 0:00 ` Robert Dewar
1997-04-10 0:00 ` Simon Wright
1997-04-10 0:00 ` Robert Dewar
1997-04-04 0:00 ` Keith Thompson
1997-04-04 0:00 ` Robert Dewar
1997-04-08 0:00 ` Keith Thompson
1997-04-07 0:00 ` Charles H. Sampson
1997-03-29 0:00 ` Robert Dewar
1997-03-26 0:00 ` Tom Moran
1997-03-26 0:00 ` Robert Dewar
1997-03-26 0:00 ` Robert A Duff
1997-03-29 0:00 ` Matthew Heaney
1997-03-29 0:00 ` Robert Dewar
1997-04-02 0:00 ` JP Thornley [this message]
1997-03-26 0:00 ` FORTRAN's Equivalence Nick Roberts
1997-03-28 0:00 ` Fortran's Equivalence Charles H. Sampson
1997-03-29 0:00 ` Matthew Heaney
1997-04-01 0:00 ` Charles H. Sampson
1997-03-29 0:00 ` Matthew Heaney
1997-03-29 0:00 ` Robert Dewar
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