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From: "Chris King" <colanderman@gmail.com>
To: "Jacques Carette" <carette@mcmaster.ca>
Cc: "Jeff Polakow" <jeff.polakow@db.com>, caml-list@yquem.inria.fr
Subject: Re: [Caml-list] Equality of functional values
Date: Tue, 30 Jan 2007 12:23:02 -0500	[thread overview]
Message-ID: <875c7e070701300923r362b1032sac4125fd2879f8ae@mail.gmail.com> (raw)
In-Reply-To: <45BF691B.8090506@mcmaster.ca>

Agreed.  Such a comparison is useful for libraries which must work
with arbitrary datatypes but want to compare as finely as possible.  I
once wrote a small pure-O'Caml module to do just that, you
can download it at
http://users.wpi.edu/~squirrel/repos/ocamlrt/fr/fr/genEq.ml.  Caveat
emptor: it does not work on cyclic structures, and uses Obj
extensively so I cannot guarantee it won't crash.  It tries first
physical equality, then structural equality, so it is semantically
different from Caml's = operator in the case of floats.

- Chris

On 1/30/07, Jacques Carette <carette@mcmaster.ca> wrote:
> Serious suggestion:  I personally would be quite happy with extensional
> equality on ground values and intensional equality on function values.
>
> Jacques
>
> _______________________________________________
> Caml-list mailing list. Subscription management:
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>


  reply	other threads:[~2007-01-30 17:23 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-29 21:04 Simon Frost
2007-01-29 21:11 ` [Caml-list] " Tom
2007-01-29 21:23   ` Brian Hurt
2007-01-29 21:59 ` Gerd Stolpmann
2007-01-30  8:17   ` Christophe Raffalli
2007-01-30  8:45   ` David MENTRE
2007-01-30 13:24 ` Andrej Bauer
2007-01-30 13:55   ` skaller
2007-01-30 14:21     ` Brian Hurt
2007-01-30 15:21     ` Jeff Polakow
2007-01-30 15:49       ` Jacques Carette
2007-01-30 17:23         ` Chris King [this message]
2007-01-30 20:18           ` Tom
2007-01-30 20:30             ` Gerd Stolpmann
2007-01-30 20:41               ` Fernando Alegre
2007-01-30 21:01                 ` Christophe TROESTLER
2007-01-30 21:08                   ` Tom
2007-01-30 21:46                     ` Christophe TROESTLER
2007-01-30 22:05                       ` Fernando Alegre
2007-01-30 23:13                         ` skaller
2007-01-30 23:06     ` Andrej Bauer
2007-01-31  0:15       ` Jacques Carette
2007-01-31  7:03         ` Stefan Monnier
2007-01-31 12:54           ` [Caml-list] " Jacques Carette
2007-01-31  0:15       ` [Caml-list] " skaller

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