From: Alex Baretta <alex@baretta.com>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Recursive lists
Date: Wed, 13 Oct 2004 13:22:35 +0200 [thread overview]
Message-ID: <416D0FFB.4000802@baretta.com> (raw)
In-Reply-To: <20041011063203.GA13870@force.stwing.upenn.edu>
William Lovas wrote:
> On Sun, Oct 10, 2004 at 07:44:25PM -0500, Brian Hurt wrote:
>>
>>Note: I haven't tested the above functions, but they give you the idea of
>>how to handle circular lists.
>
>
> ... and this isn't it :) I think Alex was more on the right track with the
> idea of maintaining a list of tails...
>
> cheers,
> William
Exactly: physical equality of nodes has nothing to do with the physical
equality of lists. Ocaml allows sharing, so the same object can appear
in more than one position even in an ordinary list or in any other Ocaml
datastructure.
e.g.
let l =
let x = <...> in
let y = <...> in
[x; y; y; x; ...]
Here the first and fourth element are physically equal, as well as the
second and third.
Alex
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next prev parent reply other threads:[~2004-10-13 11:21 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-08 13:20 Luca Pascali
2004-10-08 13:31 ` Keith Wansbrough
2004-10-08 14:32 ` skaller
2004-10-08 14:42 ` Alex Baretta
2004-10-08 15:43 ` David Brown
2004-10-08 17:19 ` Alex Baretta
2004-10-08 23:29 ` skaller
2004-10-09 8:35 ` Keith Wansbrough
2004-10-09 9:07 ` skaller
2004-10-09 8:32 ` Keith Wansbrough
2004-10-08 17:18 ` Wolfgang Lux
2004-10-11 0:44 ` Brian Hurt
2004-10-11 6:32 ` William Lovas
2004-10-11 6:52 ` Ville-Pertti Keinonen
2004-10-13 11:29 ` Alex Baretta
2004-10-13 11:22 ` Alex Baretta [this message]
2004-10-11 9:04 ` Keith Wansbrough
2004-10-08 14:05 ` Sébastien Furic
2004-10-08 14:44 ` Alex Baretta
2004-10-08 15:09 ` Jon Harrop
2004-10-08 15:13 ` james woodyatt
2004-10-08 14:26 ` sejourne_kevin
2004-10-08 18:28 ` Alex Baretta
2004-10-11 8:01 ` Jean-Christophe Filliatre
2004-10-11 9:20 ` Diego Olivier Fernandez Pons
2004-10-11 13:38 ` [Caml-list] About Obj (was Recursive lists) Christophe Raffalli
2004-10-11 13:49 ` [Caml-list] " Christophe Raffalli
2004-10-11 15:33 ` [Caml-list] " Jon Harrop
2004-10-11 16:09 ` Richard Jones
2004-10-11 16:40 ` [Caml-list] About Obj Yamagata Yoriyuki
2004-10-13 11:59 ` Alex Baretta
2004-10-11 16:24 ` [Caml-list] About Obj (was Recursive lists) james woodyatt
2004-10-11 16:46 ` brogoff
2004-10-11 17:24 ` james woodyatt
2004-10-12 0:19 ` skaller
2004-10-20 22:10 ` Greg K
2004-10-12 15:19 ` Christophe Raffalli
2004-10-13 11:42 ` Alex Baretta
2004-10-13 21:19 ` brogoff
2004-10-14 9:52 ` Andreas Rossberg
2004-10-14 17:38 ` brogoff
2004-10-15 8:22 ` Alex Baretta
2004-10-15 17:02 ` brogoff
2004-10-17 13:42 ` Alex Baretta
2004-10-12 6:17 ` [Caml-list] Recursive lists sejourne_kevin
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