From: "Gérard Huet" <Gerard.Huet@inria.fr>
To: stalkern2@tin.it
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] tree walking with... specular rec functions? what else?
Date: Mon, 12 May 2003 12:14:03 +0200 [thread overview]
Message-ID: <753A0276-8462-11D7-8454-0003938819CE@inria.fr> (raw)
In-Reply-To: <200305120855.06867.stalkern2@tin.it>
Le lundi, 12 mai 2003, à 08:55 Europe/Paris, Stalkern 2 a écrit :
> Il Sunday 11 May 2003 18:02, Xavier Leroy ha scritto:
>>> I've a simple tree structure and I want to walk it. Since in such a
>>> simple tree structure I can go AFAIK only sidewards or
>>> upwards/downwards, and I need to do both, I guess what can be an
>>> efficent way to do so.
>>
>> That sounds like a job for Gérard Huet's "zippers":
>>
>> G. Huet. The Zipper. Journal of Functional Programming, 7 (5), Sept
>> 1997, pp. 549--554.
>>
>> Apparently, the paper isn't freely available on-line, but see
>>
>> http://www.informatik.uni-bonn.de/~ralf/publications/TheWeb.ps.gz
>>
>> for a quick overview of the zipper, and more advanced stuff.
>>
>
> Thank you very much. I'm now using also a posting about zippers on
> this list
> http://caml.inria.fr/archives/200304/msg00202.html and I was suggested
> to
> take a look at
> http://pauillac.inria.fr/~remy/cours/appsem/ocaml-ml.html
>
Hello
My original zipper paper is not on-line, but my latest thoughts on the
subject are given in
"Linear Contexts and the Sharing Functor: Techniques for Symbolic
Computation", available from
http://pauillac.inria.fr/~huet/PUBLIC/DB.pdf
Gerard
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prev parent reply other threads:[~2003-05-12 10:08 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-09 9:56 Stalkern 2
2003-05-09 15:23 ` Brian Hurt
2003-05-12 12:57 ` John Carr
2003-05-12 13:35 ` Michal Moskal
2003-05-12 15:06 ` David Brown
2003-05-12 15:24 ` Xavier Leroy
2003-05-11 16:02 ` Xavier Leroy
2003-05-12 6:55 ` Stalkern 2
2003-05-12 10:14 ` Gérard Huet [this message]
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