From: Olivier Andrieu <andrieu@ijm.jussieu.fr>
To: jmarant@nerim.net (Jérôme Marant)
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Open types and methods
Date: Sun, 3 Nov 2002 12:29:47 +0100 [thread overview]
Message-ID: <15813.2219.186024.594555@karryall.dnsalias.org> (raw)
In-Reply-To: <87bs57eyib.fsf@marant.org>
Jérôme Marant [Sunday 3 November 2002] :
>
>
> Hi,
>
> I know that I cannot use open types as method parameter types,
> like:
>
> method foo (w : #mother) = ....
>
> So, how can I pass to a method an object of a given class or
> of its inherited classes, i.e. how to work this limitation
> around?
Polymorphic methods ?
method foo : 'a. (#mother as 'a) -> ... = fun w -> ...
--
Olivier
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next prev parent reply other threads:[~2002-11-03 11:29 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-03 10:30 Jérôme Marant
2002-11-03 10:57 ` Stefano Zacchiroli
2002-11-04 8:48 ` Stefano Zacchiroli
2002-11-03 11:29 ` Olivier Andrieu [this message]
2002-11-03 15:13 ` Jérôme Marant
-- strict thread matches above, loose matches on Subject: below --
2002-11-02 20:16 [Caml-list] Ocaml et la Standard Library poinca
2002-11-03 11:18 ` Remi VANICAT
2002-11-03 12:23 ` Sven Luther
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