From: "sebastien FURIC" <sebastien.furic@tni-valiosys.com>
To: OCaml Mailing list <caml-list@inria.fr>
Subject: Re: [Caml-list] Hashtbl.hash and Hashtbl.hash_param
Date: Fri, 23 Aug 2002 17:45:10 +0200 [thread overview]
Message-ID: <3D665886.9CF7E626@tni.fr> (raw)
In-Reply-To: <3D6653C0.F895EC59@tni.fr>
sebastien FURIC a écrit :
>
> What kind of algorithm is used to compute the hash code of objects in
> O'Caml ?
>
> Hashtbl.hash (List.map (fun x -> Random.int 100)
> [1;2;3;4;5;6;7;8;9;10]);;
> always returns 0 (Hashtbl.hash_param has the same properties) which is
> a poor result !
>
> What can I do if I don't know the size of the list in advance ?
Of course, I know I could use functors to specify my own hash function.
While prototyping I just would prefer an acceptable Hashtbl.hash
function to avoid writing "boring" code.
Sebastien.
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next prev parent reply other threads:[~2002-08-23 15:48 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-23 15:24 sebastien FURIC
2002-08-23 15:45 ` sebastien FURIC [this message]
2002-08-23 16:27 ` Florian Douetteau
2002-08-27 8:24 ` Xavier Leroy
2002-08-27 9:59 ` jeanmarc.eber
2002-08-27 10:58 ` Alain Frisch
2002-08-27 16:12 ` Blair Zajac
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