From: Remi VANICAT <vanicat@labri.u-bordeaux.fr>
To: caml-list@inria.fr
Subject: Re: [Caml-list] Mixed class / type
Date: 30 Jan 2002 17:52:05 +0100 [thread overview]
Message-ID: <ya3zo2vn5my.dlv@serveur3.labri.fr> (raw)
In-Reply-To: <005901c1a9a7$b1b97b00$8f00a8c0@warp>
"Warp" <warplayer@free.fr> writes:
> Hello,
>
> I got this problem :
> - two classes called wmenu and wmenuitem, are mutaly recursive
> - one wmenuitem can be constructed either with a wmenu or with a wmenuitem
>
> so I need a type like this :
>
> type menu =
> Mainmenu of wmenu
> | Menuitem of wmenuitem
>
> So I tryied :
>
> type menu = .....
> and
> class wmenuitem : menu -> object ... end
> and
> class wmenu : object ... end
>
> But it doesn't work.
> Any clue is welcomed.
This problem already have been answer. :
type ('a, 'b) menu_t =
Mainmenu of 'a
| Menuitem of 'b
class wmenuitem : (wmenuitem, wmenu) menu_t -> object .... end
and wmenu : object ... end
type menu = (wmenuitem, wmenu) menu_t
--
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:[~2002-01-30 16:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-30 16:03 Warp
2002-01-30 16:52 ` Remi VANICAT [this message]
2002-01-30 23:31 ` Jacques Garrigue
2002-02-01 10:33 ` Hendrik Tews
2002-02-04 2:40 ` Jacques Garrigue
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