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From: David Rajchenbach-Teller <David.Teller@univ-orleans.fr>
To: Pierre-Alexandre Voye <ontologiae@gmail.com>
Cc: caml-list <caml-list@inria.fr>
Subject: Re: [Caml-list] Re: Define class and sum type in one time
Date: Thu, 17 Mar 2011 12:01:05 +0100	[thread overview]
Message-ID: <884CCEF4-03CB-42CA-8D90-A2B4709E8CED@univ-orleans.fr> (raw)
In-Reply-To: <AANLkTikhTk9d9nQa3jCGaLgSBCeuQUCDM=zNp=LNS4Vs@mail.gmail.com>

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You'll probably need something along the lines of:

class maclasse = object(self)
  val mutable valeur = (None : truc option)
  method getValeur = valeur
end
let truc_maker('a) = Machin of 'a -> int | Recur of truc_maker('a)
let truc = truc_maker(maclasse)

On Mar 17, 2011, at 11:50 AM, Pierre-Alexandre Voye wrote:

> So, this is impossible  ?   :
> 
> class maclasse = object(self)
>   val mutable valeur = (None : truc option)
>   method getValeur = valeur
> end
> and 
> truc = Machin of (maclasse->int) | Recur of truc;; 
> 
> ?
> (three attempt to write a correct example of my problem.. All apologies !)
> 
> 2011/3/17 Guillaume Yziquel <guillaume.yziquel@citycable.ch>
> 
> 
> 
> -- 
> ---------------------
> Isaac Project - http://www.lisaac.org/


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  reply	other threads:[~2011-03-17 11:01 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
2011-03-17 10:50     ` Pierre-Alexandre Voye
2011-03-17 11:01       ` David Rajchenbach-Teller [this message]
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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