From: mheaney@ni.net (Matthew Heaney)
Subject: Re: GNAT: Performance of String functions
Date: 1997/07/24
Date: 1997-07-24T00:00:00+00:00 [thread overview]
Message-ID: <mheaney-ya023680002407972253110001@news.ni.net> (raw)
In-Reply-To: 33D74581.DEC93419@elca-matrix.ch
In article <33D74581.DEC93419@elca-matrix.ch>, Mats.Weber@elca-matrix.ch wrote:
>Also, in the GNAT case, if you get into a situation where predefined "="
>re-emerges, then your program is broken because you will be comparing the
>whole records instead of just the slice 1 .. Length. This problem does not
>occur with the alternative approach. I think an AI is about to be voted that
>will require predefined "=" to behave correctly for these types, which will
>almost force implementors to use the alternative approach.
I don't understand why composing equality will require the "alternative
approach" using a discriminant record. Just use a pad character, so that
the entire array has defined values at all times.
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Matthew Heaney
Software Development Consultant
<mailto:matthew_heaney@acm.org>
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next prev parent reply other threads:[~1997-07-24 0:00 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
1997-07-18 0:00 GNAT: Performance of String functions Jakob Heinemann
1997-07-18 0:00 ` Robert Dewar
1997-07-19 0:00 ` Tarjei T. Jensen
1997-07-19 0:00 ` Matthew Heaney
1997-07-20 0:00 ` Robert Dewar
1997-07-20 0:00 ` Tarjei T. Jensen
1997-07-20 0:00 ` Robert Dewar
1997-07-21 0:00 ` Tucker Taft
1997-07-21 0:00 ` Robert Dewar
1997-07-21 0:00 ` Tarjei Jensen
1997-07-21 0:00 ` Matthew Heaney
1997-07-22 0:00 ` Robert Dewar
1997-07-22 0:00 ` Tarjei Jensen
1997-07-22 0:00 ` Robert Dewar
1997-07-22 0:00 ` Larry Kilgallen
1997-07-22 0:00 ` Tarjei T. Jensen
1997-07-23 0:00 ` Robert Dewar
1997-07-23 0:00 ` Tarjei Jensen
1997-07-23 0:00 ` Samuel Mize
1997-07-23 0:00 ` W. Wesley Groleau x4923
1997-07-24 0:00 ` Robert A Duff
1997-07-24 0:00 ` Mats Weber
1997-07-24 0:00 ` Tarjei Jensen
1997-07-24 0:00 ` Robert Dewar
1997-07-24 0:00 ` Matthew Heaney
1997-07-24 0:00 ` Robert Dewar
1997-07-28 0:00 ` Mats Weber
1997-07-28 0:00 ` Robert Dewar
1997-07-28 0:00 ` Robert Dewar
1997-07-28 0:00 ` Matthew Heaney
1997-07-29 0:00 ` Robert Dewar
1997-07-24 0:00 ` Matthew Heaney [this message]
1997-07-23 0:00 ` Larry Kilgallen
1997-07-20 0:00 ` Tarjei T. Jensen
1997-07-22 0:00 ` Jakob Heinemann
1997-07-23 0:00 ` Robert Dewar
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