From: Remi VANICAT <vanicat@labri.u-bordeaux.fr>
To: caml-list@inria.fr
Subject: Re: [Caml-list] Obsoluted?: stream matching
Date: 13 Sep 2001 08:21:22 +0200 [thread overview]
Message-ID: <87wv338vbx.dlv@wanadoo.fr> (raw)
In-Reply-To: <001801c13c14$9c2530a0$1e01a8c0@hama>
"SooHyoung Oh" <shoh@duonix.com> writes:
> It seems that stream matching has been obsoluted, at least in Ocaml 3.02.
> Right?
No
>
> # let next = function
> [< 'x >] -> x
> | [<>] -> raise (Failure "end of stream")
> ;;
# let next = parser
[< 'x >] -> x
| [<>] -> raise (Failure "end of stream")
;;
val next : 'a Stream.t -> 'a = <fun>
> Syntax error
>
> Instead of the stream pattern matchng,
> do they have to use "peek" & "junk"?
>
> # let next s =
> match Stream.peek s with
> Some x -> Stream.junk s; x
> | None -> raise (Failure "end of stream")
> ;;
>
> p.s.: Where can I find the LATEST document of Ocaml 3.02?
> It's VERY VERY DIFFICULT to follow it by trial and error.
http://pauillac.inria.fr/ocaml/htmlman/
--
Rémi Vanicat
vanicat@labri.u-bordeaux.fr
http://dept-info.labri.u-bordeaux.fr/~vanicat
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prev parent reply other threads:[~2001-09-13 6:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-13 5:26 SooHyoung Oh
2001-09-13 6:21 ` Remi VANICAT [this message]
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