From: dewar@merv.cs.nyu.edu (Robert Dewar)
Subject: Re: Beware: Rep spec on an enumeration type causes code explosion
Date: 1997/12/10
Date: 1997-12-10T00:00:00+00:00 [thread overview]
Message-ID: <dewar.881730374@merv> (raw)
In-Reply-To: 66j5r6$ck1$1@gonzo.sun3.iaf.nl
Joe Gwinn wrote:
``A number of folk have cited chapter and verse that enumerations
do start at zero if left alone. This was not widely known,
apparently, perhaps because Ada83 didn't govern this.''
Well it is not easy to gauge what is or is not "widely known", or even what
such a phrase means. But I have never seen an Ada 83 compiler which did not
default to Pos value = representation value, and any other choice would be
strange indeed.
Yes, Ada 95 makes this explicit, but this is not a requirement that I would
expect to have any effect on implementations in practice, because no other
choice makes sense.
And certainly all the Ada programmers I have known were aware of this as
the natural and likely default!
next prev parent reply other threads:[~1997-12-10 0:00 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
1997-12-05 0:00 Beware: Rep spec on an enumeration type causes code explosion Joe Gwinn
1997-12-06 0:00 ` Kevin D. Heatwole
[not found] ` <dewar.881478386@merv>
1997-12-07 0:00 ` Robert Dewar
1997-12-09 0:00 ` Jim Gleason
1997-12-06 0:00 ` David Marshall
1997-12-06 0:00 ` Tucker Taft
1997-12-06 0:00 ` Robert Dewar
1997-12-06 0:00 ` Robert Dewar
1997-12-08 0:00 ` Joe Gwinn
1997-12-08 0:00 ` Mats Weber
1997-12-09 0:00 ` Geert Bosch
1997-12-10 0:00 ` Robert Dewar [this message]
1997-12-09 0:00 ` Tucker Taft
1997-12-09 0:00 ` Matthew Heaney
1997-12-10 0:00 ` Charles Hixson
1997-12-10 0:00 ` Robert Dewar
1997-12-10 0:00 ` Jean-Pierre Rosen
1997-12-10 0:00 ` Ken Garlington
1997-12-11 0:00 ` John G. Volan
1997-12-11 0:00 ` Ken Garlington
1997-12-12 0:00 ` Matthew Heaney
1997-12-12 0:00 ` Ken Garlington
1997-12-16 0:00 ` John G. Volan
1997-12-17 0:00 ` Ken Garlington
1997-12-12 0:00 ` Joe Gwinn
1997-12-12 0:00 ` Robert Dewar
1997-12-16 0:00 ` John G. Volan
1997-12-17 0:00 ` Ken Garlington
1997-12-17 0:00 ` Joe Gwinn
1997-12-17 0:00 ` John G. Volan
1997-12-18 0:00 ` Joe Gwinn
1997-12-12 0:00 ` Alan E & Carmel J Brain
1997-12-12 0:00 ` Robert Dewar
1997-12-15 0:00 ` Tucker Taft
1997-12-16 0:00 ` Brian Rogoff
1997-12-10 0:00 ` Stanley R. Allen
1997-12-14 0:00 ` Robert Dewar
1997-12-10 0:00 ` Stephen Leake
1997-12-14 0:00 ` Robert Dewar
1997-12-11 0:00 ` Rakesh Malhotra
1997-12-11 0:00 ` Matthew Heaney
1997-12-12 0:00 ` Robert Dewar
1997-12-12 0:00 ` Rakesh Malhotra
1997-12-12 0:00 ` Samuel Tardieu
1997-12-12 0:00 ` Robert Dewar
1997-12-14 0:00 ` Alan E & Carmel J Brain
1997-12-12 0:00 ` Joe Gwinn
1997-12-15 0:00 ` Robert Dewar
1997-12-16 0:00 ` Joe Gwinn
1997-12-16 0:00 ` Robert Dewar
1997-12-06 0:00 ` Robert Dewar
1997-12-06 0:00 ` Matthew Heaney
1997-12-10 0:00 ` GNORT information ( Was Re: Beware: Rep spec on an enumeration type causes code explosion ) Mark Bennison
1997-12-10 0:00 ` Robert Dewar
1997-12-06 0:00 ` Beware: Rep spec on an enumeration type causes code explosion Robert Dewar
1997-12-06 0:00 ` Robert Dewar
1997-12-08 0:00 ` Joe Gwinn
1997-12-06 0:00 ` Robert Dewar
1997-12-08 0:00 ` Joe Gwinn
1997-12-09 0:00 ` Stanley R. Allen
1997-12-06 0:00 ` Robert Dewar
1997-12-06 0:00 ` Corey Minyard
1997-12-08 0:00 ` Joe Gwinn
1997-12-10 0:00 ` Robert Dewar
1997-12-06 0:00 ` Ken Garlington
1997-12-07 0:00 ` Larry Kilgallen
-- strict thread matches above, loose matches on Subject: below --
1997-12-09 0:00 tmoran
1997-12-11 0:00 Marin David Condic, 561.796.8997, M/S 731-96
1997-12-11 0:00 ` Robert Dewar
1997-12-11 0:00 Marin David Condic, 561.796.8997, M/S 731-96
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