From: Remi VANICAT <vanicat@labri.u-bordeaux.fr>
To: caml-list@inria.fr
Subject: Re: [Caml-list] Streams.from
Date: Tue, 10 Dec 2002 00:54:54 +0100 [thread overview]
Message-ID: <87n0ne21f5.dlv@wanadoo.fr> (raw)
In-Reply-To: <15861.5601.937494.839811@lri.lri.fr> (Jean-Christophe Filliatre's message of "Mon, 9 Dec 2002 23:14:57 +0100")
Jean-Christophe Filliatre <Jean-Christophe.Filliatre@lri.fr> writes:
> Nick Grey writes:
> >
> > When a stream is created using Stream.from, is the function f garunteed
> > to be called with the stream count parameter 0, 1, 2, ...
>
> No. For instance, repeated calls to Stream.peek will clearly call f
> several times on the same count value (see the code in
> stdlib/stream.ml)
Stream.peek cache value from parser created by Stream.from. So the
answer is that with the current implementation of all the function of
the module Stream, f will be call one, and only one time for each
count parameter, and in the good order. But this is not written in the
specification.
--
Rémi Vanicat
vanicat@labri.u-bordeaux.fr
http://dept-info.labri.u-bordeaux.fr/~vanicat
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next prev parent reply other threads:[~2002-12-09 23:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-09 19:04 Nick Grey
2002-12-09 22:14 ` Jean-Christophe Filliatre
2002-12-09 23:54 ` Remi VANICAT [this message]
2002-12-10 0:00 ` Nick Grey
2002-12-10 12:29 ` Daniel de Rauglaudre
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