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From: Guillaume Yziquel <guillaume.yziquel@citycable.ch>
To: Pierre-Alexandre Voye <ontologiae@gmail.com>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Re: Define class and sum type in one time
Date: Thu, 17 Mar 2011 11:47:19 +0100	[thread overview]
Message-ID: <20110317104719.GH22969@localhost> (raw)
In-Reply-To: <AANLkTimMyKXtBjN0pvSzwreu08BNECkJuPApYVyP2Du8@mail.gmail.com>

Le Thursday 17 Mar 2011 à 11:33:44 (+0100), Pierre-Alexandre Voye a écrit :
>    My example would be better with this :
>    class machin = object(self)
>    Â  val mutable valeur = (None : truc option)
>    Â  method getValeur = valeur
>    end
>    and
>    truc = Machin of (int->int) | Recur of truc;;
>    The object need the type defined

You cannot declare a class and a type with an 'and'. Either two classes,
or two types.

Simply declare truc before machin.

type truc = Machin of int -> int | Recur of truc

class machin = object

	val mutable valeur : truc option = None

	method getValeur = valeur

end

-- 
     Guillaume Yziquel


  reply	other threads:[~2011-03-17 10:47 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-17 10:08 [Caml-list] " Pierre-Alexandre Voye
2011-03-17 10:33 ` [Caml-list] " Pierre-Alexandre Voye
2011-03-17 10:47   ` Guillaume Yziquel [this message]
2011-03-17 10:50     ` Pierre-Alexandre Voye
2011-03-17 11:01       ` David Rajchenbach-Teller
2011-03-17 11:14         ` David Rajchenbach-Teller
2011-03-17 11:05       ` Guillaume Yziquel
2011-03-17 13:44         ` Gabriel Scherer
     [not found]         ` <1080649473.122478.1300369493351.JavaMail.root@zmbs4.inria.fr>
2011-03-17 13:54           ` Fabrice Le Fessant
2011-03-18 17:16       ` Gerd Stolpmann
     [not found]     ` <350217430.1223639.1300359057593.JavaMail.root@zmbs3.inria.fr>
2011-03-17 11:02       ` Paolo Herms

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