From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (from majordomo@localhost) by pauillac.inria.fr (8.7.6/8.7.3) id SAA16347; Thu, 26 Sep 2002 18:34:33 +0200 (MET DST) X-Authentication-Warning: pauillac.inria.fr: majordomo set sender to owner-caml-list@pauillac.inria.fr using -f Received: from nez-perce.inria.fr (nez-perce.inria.fr [192.93.2.78]) by pauillac.inria.fr (8.7.6/8.7.3) with ESMTP id SAA16349 for ; Thu, 26 Sep 2002 18:34:32 +0200 (MET DST) Received: from hickory.cc.columbia.edu (hickory.cc.columbia.edu [128.59.59.202]) by nez-perce.inria.fr (8.11.1/8.11.1) with ESMTP id g8QGYUD26230 for ; Thu, 26 Sep 2002 18:34:31 +0200 (MET DST) Received: from there (tw304h3.cpmc.columbia.edu [156.111.84.180]) by hickory.cc.columbia.edu (8.9.3/8.9.3) with SMTP id MAA27380; Thu, 26 Sep 2002 12:34:28 -0400 (EDT) Message-Id: <200209261634.MAA27380@hickory.cc.columbia.edu> Content-Type: text/plain; charset="iso-8859-1" From: Oleg To: Michael Vanier , caml-list@inria.fr Subject: Re: [Caml-list] a design problem requiring downcasting? (long) Date: Thu, 26 Sep 2002 12:35:04 -0400 X-Mailer: KMail [version 1.3.2] References: <200209260901.g8Q910t03459@orchestra.cs.caltech.edu> In-Reply-To: <200209260901.g8Q910t03459@orchestra.cs.caltech.edu> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: owner-caml-list@pauillac.inria.fr Precedence: bulk On Thursday 26 September 2002 05:01 am, Michael Vanier wrote: > The problem is, every time that a new class is added you have to modify the > variant type. Not with polymorphic variants AFAIK. Have you considered using them? Cheers, Oleg ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners