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From: Andreas Rossberg <rossberg@ps.uni-sb.de>
To: caml-list@inria.fr
Subject: Re: [Caml-list] How can I check for the use of polymorphic  equality?
Date: Fri, 04 Apr 2003 11:10:48 +0200	[thread overview]
Message-ID: <3E8D4C18.8080204@ps.uni-sb.de> (raw)
In-Reply-To: <4.3.2.7.2.20030403125225.04a69d30@localhost>

Chris Hecker wrote:
> 
>> You probably will catch every reasonable usage of ( = ) that way...
>> Simple, no ?
> 
> But that a) requires you to put it in scope at the top of each file, and 
> more importantly b) means you can't use = anywhere, doesn't it?

And c) puts the responsibility to avoid misuses of structural comparison 
into the hands of the clients of an abstract type, instead of enabling 
its implementer to prevent them. That counters the very idea of type 
abstraction and is hence not The Right Thing. ;-)

   - Andreas

-- 
Andreas Rossberg, rossberg@ps.uni-sb.de

"Computer games don't affect kids; I mean if Pac Man affected us
  as kids, we would all be running around in darkened rooms, munching
  magic pills, and listening to repetitive electronic music."
  - Kristian Wilson, Nintendo Inc.

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  parent reply	other threads:[~2003-04-04  9:25 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <ocaml@tagger.yapper.org>
2003-03-31 16:51 ` Neel Krishnaswami
2003-03-31 17:33   ` brogoff
2003-04-03 19:44   ` Jason Hickey
2003-04-03 20:40     ` Pierre Weis
2003-04-03 20:53       ` Chris Hecker
2003-04-04  8:46         ` Pierre Weis
2003-04-04 19:05           ` Jason Hickey
2003-04-04  9:10         ` Andreas Rossberg [this message]
2003-05-14 11:43 ` [Caml-list] ocaml and large development projects Traudt, Mark
2003-05-14 15:52   ` Jason Hickey
2003-05-18  5:32     ` Chris Hecker
2003-05-18  5:44       ` David Brown
2003-05-18  6:10         ` Chris Hecker
2003-05-18 11:13           ` John Carr
2003-05-18 16:51             ` Ed L Cashin
2003-05-18 18:08               ` Lex Stein
2003-05-18 19:08                 ` Ed L Cashin
2003-05-18 19:55                   ` Lex Stein
2003-05-19  8:13                   ` Markus Mottl
2003-05-19  8:33                     ` Nicolas Cannasse
2003-06-02 21:59                     ` John Max Skaller
2003-05-18 23:19                 ` Chris Hecker
2003-05-18 14:38           ` David Brown
2003-05-18 16:00             ` Ville-Pertti Keinonen
2003-05-19 15:36           ` Brian Hurt
2003-05-19 19:31             ` Chris Hecker
2003-05-19 23:39               ` Seth Kurtzberg
2003-05-20  8:07               ` [Caml-list] ocaml as *.so (was: ...and large development projects) Wolfgang Müller
2003-05-20  8:42                 ` [Caml-list] Reading a file Siegfried Gonzi
2003-05-20 10:21                   ` Mattias Waldau
2003-05-20 10:48                   ` Nicolas Cannasse
2003-05-20 10:55                   ` Markus Mottl
2003-05-20 13:20                   ` Michal Moskal
2003-05-20 12:21                     ` Siegfried Gonzi
2003-05-21  6:11                     ` Siegfried Gonzi
2003-05-21  6:48                       ` Siegfried Gonzi
2003-05-21  6:53                         ` Siegfried Gonzi
2003-05-21  9:16                           ` Markus Mottl
2003-05-21 10:04                             ` Eray Ozkural
2003-05-21 16:20                               ` brogoff
2003-05-21  8:21                       ` Michal Moskal
2003-05-21  7:24                         ` [Caml-list] PsiLAB works fine under Linux SuSE 8 Siegfried Gonzi
2003-05-21  9:11                       ` [Caml-list] Reading a file Markus Mottl
2003-05-22  6:27                         ` Siegfried Gonzi
2003-05-22 10:26                           ` Markus Mottl
2003-05-23  5:59                             ` Siegfried Gonzi
2003-05-23  6:04                               ` Siegfried Gonzi
2003-05-20 10:45                 ` [Caml-list] ocaml as *.so (was: ...and large development projects) Nicolas Cannasse
2003-05-20 11:17                   ` Wolfgang Müller
2003-05-20 11:31                     ` Nicolas Cannasse
2003-05-20 11:40                       ` Wolfgang Müller
2003-06-02 22:40                 ` John Max Skaller
2003-06-03 13:26                   ` [Caml-list] ocaml as *.so Remi Vanicat
2003-06-02 22:42               ` [Caml-list] ocaml and large development projects John Max Skaller
2003-06-02 21:24           ` John Max Skaller
2003-06-02 21:12       ` John Max Skaller
2003-06-03  0:31         ` Chris Hecker
2003-06-03 10:13           ` Michal Moskal
2003-06-03 18:12             ` Chris Hecker
2003-06-03 14:31           ` art yerkes
2003-06-03 21:55           ` Jason Hickey
2003-06-03 22:42             ` Chris Hecker
2003-06-06 23:46             ` John Max Skaller

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