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From: Michel.Mauny@inria.fr (Michel Mauny)
To: Choun-tong.Lieu@litp.ibp.fr (Choun-Tong LIEU)
Cc: caml-list@pauillac.inria.fr
Subject: Re: stream
Date: Wed, 28 Feb 1996 19:36:42 +0100 (MET)	[thread overview]
Message-ID: <199602281836.TAA07199@pauillac.inria.fr> (raw)
In-Reply-To: <199602280938.KAA02520@cadillac.ibp.fr> from "Choun-Tong LIEU" at Feb 28, 96 10:38:10 am


Bonjour,

> 	J'ai une conversation "bizarre" avec caml-light a propos des
> stream. J'ai essaye de fouiller dans les docs, je n'ai pas trouve de
> reponse.
> 
> 	Est ce que caml-light privilegie le dernier element non
> terminal des stream ?
> [...]
> #pr toto;;
> 123- : unit = ()
(***** Je comprends un peu moins ou pas du tout. Remarquons tata est a la fin
>        de [< toto; tata >]
> *****)       

C'est un comportement décrit dans la liste des bugs connus de
Caml-Light 0.7.  Vous vous attendiez à juste titre à ce que "tata"
soit vidé par le parcours de [< toto; tata >].

Vous trouverez ci-dessous un extrait du fichier KNOWN-BUGS de la
distribution 0.7, qui indique notamment comment contourner ce bug.

Cordialement,

--
Michel Mauny

---------------------------------------------------------------------------

The following problems have not been fixed at the time of this release:

1- Stream concatenation using [< ... >] does not always preserve the
   sharing among streams, and sometimes duplicate stream subcomponents.
   For instance, if you define s' = [< '1; s >] and then read alternatively
   from s' and from s, a given element of s can be read twice.
   The problem occurs only if s is in tail position inside s'.
   To guarantee proper sharing, move s in non-tail position, e.g.
   take s' = [< '1; s; [<>] >].

---------------------------------------------------------------------------





      reply	other threads:[~1996-02-29 12:39 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1996-02-28  9:38 stream Choun-Tong LIEU
1996-02-28 18:36 ` Michel Mauny [this message]

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