From: Francois Pottier <francois.pottier@inria.fr>
To: caml-list@inria.fr
Subject: Re: [Caml-list] Extensible tuple types
Date: Thu, 2 May 2002 13:03:31 +0200 [thread overview]
Message-ID: <20020502130331.A1570@pauillac.inria.fr> (raw)
In-Reply-To: <Pine.SOL.4.44.0205021137220.22680-100000@clipper.ens.fr>; from frisch@clipper.ens.fr on Thu, May 02, 2002 at 11:42:35AM +0200
On Thu, May 02, 2002 at 11:42:35AM +0200, Alain Frisch wrote:
>
> I don't understand what this encoding of extensible tuples allows,
> compared to the simple minded solution [the type of an n-typle is
> (t1,(t2,...(tn,unit)...)) ]
You're right -- and I should think more before I write -- it's
essentially the same solution. You do need to distinguish the
kind of sequences from the kind of types, though (that is, to
distinguish sequence extension ; from the product * and the
empty sequence nil from the unit type), otherwise you can't
distinguish a tuple from a cascade of pairs. But, apart from
that, you're right, it's the same thing.
--
François Pottier
Francois.Pottier@inria.fr
http://pauillac.inria.fr/~fpottier/
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next prev parent reply other threads:[~2002-05-02 11:03 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-23 10:41 [Caml-list] How to read three integers from a text-file... ? Jacek Chrzaszcz
2002-04-24 10:44 ` Stefano Lanzavecchia
2002-04-24 18:46 ` Tomasz Zielonka
2002-04-24 11:16 ` Jacques Garrigue
2002-04-24 13:40 ` Tomasz Zielonka
2002-04-25 5:30 ` pervasives (was: Re: [Caml-list] How to read three integers from a text-file... ?) Chris Hecker
2002-04-25 6:33 ` Tomasz Zielonka
2002-04-25 17:54 ` Chris Hecker
2002-04-27 4:43 ` John Max Skaller
2002-04-27 16:02 ` [Caml-list] input_line (Re: pervasives) Lauri Alanko
2002-04-30 12:07 ` [Caml-list] input_line Xavier Leroy
2002-05-03 0:13 ` Lauri Alanko
2002-05-03 11:27 ` Florian Hars
2002-04-24 21:23 ` [Caml-list] How to read three integers from a text-file... ? Tomasz Zielonka
2002-04-25 1:51 ` John Max Skaller
2002-04-25 8:55 ` Daniel de Rauglaudre
2002-04-25 11:19 ` Markus Mottl
2002-04-25 11:33 ` Jérôme Marant
2002-04-25 11:43 ` Markus Mottl
2002-04-25 17:56 ` Chris Hecker
2002-04-25 20:52 ` John Prevost
2002-04-25 23:32 ` Jacques Garrigue
2002-04-26 7:25 ` Jérôme Marant
2002-04-26 12:16 ` Jacques Garrigue
2002-05-02 8:48 ` Jacques Garrigue
2002-04-26 1:39 ` Daniel de Rauglaudre
2002-04-29 6:44 ` Francois Pottier
2002-04-30 11:07 ` Dave Berry
2002-04-30 12:20 ` Francois Pottier
2002-04-30 13:54 ` T. Kurt Bond
2002-05-03 22:12 ` Dave Berry
2002-04-30 14:42 ` Jocelyn Sérot
2002-05-02 7:34 ` [Caml-list] Extensible tuple types Francois Pottier
2002-05-02 9:42 ` Alain Frisch
2002-05-02 11:03 ` Francois Pottier [this message]
[not found] ` <6ECF4649-5C48-11D6-AC27-0003934491C2@lasmea.univ-bpclermon t.fr>
2002-05-03 21:58 ` [Caml-list] How to read three integers from a text-file... ? Dave Berry
2002-05-06 0:53 ` Eray Ozkural
2002-05-06 6:40 ` Florian Hars
2002-04-30 23:30 ` [Caml-list] Danvy "Functional Unparsing" style output in OCaml [was: How to read three integers from a text-file... ?] T. Kurt Bond
2002-05-13 14:11 ` [Caml-list] RE: Danvy "Functional Unparsing" style output in OCaml T. Kurt Bond
2002-05-13 19:59 ` [Caml-list] "Functional Unparsing" benchmark results links fixed [Was: Danvy "Functional Unparsing" style output in OCaml] T. Kurt Bond
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