From: John English <je@bton.ac.uk>
Subject: Re: Three simple questions
Date: 2000/10/10
Date: 2000-10-10T12:11:28+00:00 [thread overview]
Message-ID: <39E30759.7A402CB6@bton.ac.uk> (raw)
In-Reply-To: dale-7FE0DC.22584210102000@news-server
Dale Stanbrough wrote:
>
> John English wrote:
>
> > It gets even more fun with OOP; you think you've got a method called
> > DoThisNow and override it, but it's actually called doThisNow; the
> > result is two methods, one called doThisNow and the other called
> > DoThisNow, which are of course completely unrelated... and the
> > compiler will say nothing.
>
> Of course Ada has exactly the same problem, in that if you misspell
> the name of a subprogram when trying to override, you are not
> informed by the compiler (e.g. consider Finalize and Finalise).
This is in fact a particularly bad one, as there aren't even any
explicit calls you can search for, so debugging "by eye" is out.
Case differences just add another opportunity for foot-shootery,
though... as if there weren't already enough.
> I think i like the Eiffel method better, where you explicity
> state that you are overriding an inherited method.
I agree completely -- from a safety point of view, something like
this is surely essential for Ada 0X...
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John English | mailto:je@brighton.ac.uk
Senior Lecturer | http://www.it.bton.ac.uk/staff/je
Dept. of Computing | ** NON-PROFIT CD FOR CS STUDENTS **
University of Brighton | -- see http://burks.bton.ac.uk
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next prev parent reply other threads:[~2000-10-10 0:00 UTC|newest]
Thread overview: 101+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-10-09 0:00 Three simple questions Frank Christiny
2000-10-09 0:00 ` John McCabe
2000-10-09 0:00 ` Frank Christiny
2000-10-10 0:00 ` Larry Kilgallen
2000-10-10 0:00 ` Case for case-sensitivity (Was: Three simple questions) Frank Christiny
2000-10-10 0:00 ` David Starner
2000-10-12 0:00 ` John English
2000-10-10 0:00 ` Ted Dennison
2000-10-10 0:00 ` David C. Hoos, Sr.
2000-10-10 0:00 ` mjsilva
2000-10-10 0:00 ` John Magness
2000-10-10 0:00 ` tmoran
2000-10-11 0:00 ` dmitry6243
2000-10-11 0:00 ` John English
2000-10-11 0:00 ` Frank Christiny
2000-10-12 0:00 ` Larry Kilgallen
2000-10-14 0:00 ` nickerson
2000-10-15 1:48 ` Robert Dewar
2000-10-15 0:00 ` Jean-Pierre Rosen
2000-10-11 4:39 ` Ken Garlington
2000-10-10 0:00 ` Three simple questions John English
2000-10-10 0:00 ` Dale Stanbrough
2000-10-10 0:00 ` Larry Kilgallen
2000-10-10 0:00 ` John English [this message]
2000-10-10 0:00 ` Ted Dennison
2000-10-11 0:00 ` Tucker Taft
2000-10-11 0:00 ` Ted Dennison
2000-10-12 0:00 ` Tucker Taft
2000-10-12 0:00 ` The AI process (was: Three simple questions) Ted Dennison
2000-10-12 0:00 ` Marc A. Criley
2000-10-12 0:00 ` Tucker Taft
2000-10-16 0:00 ` Three simple questions Robert A Duff
2000-10-11 0:11 ` wv12
2000-10-10 0:00 ` Larry Kilgallen
2000-10-14 3:25 ` Robert Dewar
2000-10-15 0:00 ` The Ludwig Family
2000-10-16 0:00 ` Florian Weimer
2000-10-17 0:00 ` David Starner
2000-10-18 0:00 ` Florian Weimer
2000-10-19 0:00 ` David Starner
2000-10-21 0:00 ` Robert Dewar
2000-10-21 0:00 ` David Starner
2000-10-23 0:00 ` Robert A Duff
2000-10-28 11:00 ` Robert Dewar
2000-10-28 10:56 ` Robert Dewar
2000-10-28 10:57 ` Robert Dewar
2000-10-21 0:00 ` Robert Dewar
2000-10-21 0:00 ` David Starner
2000-10-16 3:10 ` Robert Dewar
2000-10-17 0:00 ` The Ludwig Family
2000-10-16 0:00 ` Robert A Duff
2000-10-16 0:00 ` James Hassett
2000-10-16 0:00 ` Robert Dewar
2000-10-16 0:00 ` Robert Dewar
2000-10-11 0:00 ` David Gillon
2000-10-11 0:00 ` John English
2000-10-11 0:00 ` Pascal Obry
2000-10-11 0:00 ` mjsilva
2000-10-11 2:12 ` DuckE
2000-10-10 0:47 ` Larry Elmore
2000-10-10 1:16 ` Ed Falis
2000-10-11 3:47 ` Jeff Carter
2000-10-13 0:00 ` Philippe Torres
2000-10-13 0:00 ` Stefan Skoglund
2000-10-10 0:00 ` Pascal Obry
2000-10-11 3:59 ` Jeff Carter
2000-10-14 0:00 ` Keith Thompson
2000-10-10 0:42 ` Ken Garlington
2000-10-11 0:00 ` Tucker Taft
2000-10-12 1:05 ` Bjarne Bäckström
2000-10-13 0:00 ` Anders Wirzenius
2000-10-13 0:00 ` Bjarne Bäckström
2000-10-16 0:00 ` Anders Wirzenius
2000-10-13 0:00 ` Wes Groleau
2000-10-14 3:28 ` Robert Dewar
2000-10-11 0:00 ` Simon Wright
2000-10-14 0:00 ` Robert Dewar
2000-10-11 0:00 ` Pat Rogers
2000-10-11 0:00 ` Marin David Condic
2000-10-13 0:00 ` Keith Thompson
2000-10-13 0:00 ` Marin David Condic
2000-10-13 0:00 ` Wes Groleau
[not found] ` <39EAEEEA.4F58C47C@cepsz.unizar.es>
2000-10-16 0:00 ` David Starner
2000-10-16 0:00 ` Robert A Duff
2000-10-16 0:00 ` Larry Kilgallen
2000-10-16 0:00 ` Florian Weimer
2000-10-17 0:43 ` Robert Dewar
2000-10-17 0:00 ` Larry Kilgallen
2000-10-17 0:00 ` Florian Weimer
2000-11-03 7:24 ` E. E. Cummings (was Re: Three simple questions) Robert I. Eachus
2000-10-17 0:00 ` Three simple questions Keith Thompson
2000-10-17 0:00 ` Wes Groleau
2000-10-14 0:37 ` Ken Garlington
2000-10-14 0:00 ` Richard Kenner
2000-10-14 0:00 ` Laurent Guerby
2000-10-16 0:00 ` Robert A Duff
2000-10-16 0:00 ` Laurent Guerby
2000-10-17 0:00 ` Ronald Cole
2000-10-17 0:00 ` Wes Groleau
2000-10-14 0:00 ` Marin David Condic
2000-10-11 0:00 ` Larry Hazel
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