From: Stefan Monnier <monnier@iro.umontreal.ca>
To: caml-list@inria.fr
Subject: Re: How important are circular lists/recursive objects?
Date: Tue, 03 Apr 2007 23:52:54 -0400 [thread overview]
Message-ID: <jwv4pnwkdai.fsf-monnier+gmane.comp.lang.caml.inria@gnu.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0704021949590.5725@localhost>
> The question is: if this behavior was completely outlawed, and either you
> couldn't build up circular lists/recursive data structures of this type at
> all, or had to call special functions (List.circularize, say), to create
> them, would this be a signifigant problem? Does anyone actually use this
> construct, and if so, for what?
This is the case in SML: you need to go through a `ref' cell in order to
create a cycle. This has very rarely been presented as
a serious limitation. OCaml's trick is occasionally useful, but I don't
think anybody would lose her sleep over it.
Stefan
next prev parent reply other threads:[~2007-04-04 3:53 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-02 23:55 Brian Hurt
2007-04-03 6:24 ` Gleb Alexeyev
2007-04-03 6:58 ` [Caml-list] " Ville-Pertti Keinonen
2007-04-03 7:00 ` Andrej Bauer
2007-04-03 12:09 ` Jon Harrop
2007-04-03 13:31 ` Bruno De Fraine
2007-04-04 23:28 ` Brian Hurt
2007-04-05 0:51 ` Jon Harrop
2007-04-03 12:49 ` Philippe Wang
2007-04-04 3:52 ` Stefan Monnier [this message]
2007-04-04 5:28 ` [Caml-list] " skaller
2007-10-04 17:48 ` Fabrice Marchant
2007-10-04 20:39 ` skaller
2007-10-04 21:36 ` rossberg
2007-10-04 22:25 ` skaller
2007-10-05 10:42 ` Dominique Martinet
2007-10-08 9:57 ` Andreas Rossberg
2007-04-04 8:45 ` Don Syme
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