From: Tom <tom.primozic@gmail.com>
To: "Simon Frost" <sdfrost@ucsd.edu>
Cc: "Caml List" <caml-list@yquem.inria.fr>
Subject: Re: [Caml-list] Equality of functional values
Date: Mon, 29 Jan 2007 22:11:47 +0100 [thread overview]
Message-ID: <c1490a380701291311h7069c47ey1042cda3506a7e60@mail.gmail.com> (raw)
In-Reply-To: <1170104645.4564.304.camel@penguin.local>
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It's hard to perform equality on functional values, as it is hard to confirm
two functions being the same... (even if you know the mathematical
definition of the function, thus even harder if you only know the machine
representation of it...). The best way around is to use == equality (= is
structural equality, while == is referential equality - whether two names
point to the same address in the memory), which might return false often,
but will never fail on functional values. So I guess it's best you edit the
source code (if you can) and change it...
- Tom
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next prev parent reply other threads:[~2007-01-29 21:11 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 ` Tom [this message]
2007-01-29 21:23 ` [Caml-list] " 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
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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