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 OAA26041; Tue, 25 Jun 2002 14:28:02 +0200 (MET DST) X-Authentication-Warning: pauillac.inria.fr: majordomo set sender to owner-caml-list@pauillac.inria.fr using -f Received: from concorde.inria.fr (concorde.inria.fr [192.93.2.39]) by pauillac.inria.fr (8.7.6/8.7.3) with ESMTP id OAA26046 for ; Tue, 25 Jun 2002 14:28:01 +0200 (MET DST) Received: from mail.interaktif.net.tr ([62.248.102.120]) by concorde.inria.fr (8.11.1/8.11.1) with ESMTP id g5PCRxr17683 for ; Tue, 25 Jun 2002 14:27:59 +0200 (MET DST) Received: from abn160-102.ank-avrupa-ports.kablonet.net.tr (unknown [195.174.160.102]) by mail.interaktif.net.tr (Postfix) with ESMTP id 085951E6B3; Tue, 25 Jun 2002 15:26:22 +0300 (EEST) From: Eray Ozkural Organization: Bilkent University CS Dept. To: Jacques Garrigue , jhw@wetware.com Subject: Re: [Caml-list] subtyping and inheritance (bug?) Date: Tue, 25 Jun 2002 15:22:28 +0300 User-Agent: KMail/1.4.5 Cc: caml-list@inria.fr References: <20020625115430E.garrigue@kurims.kyoto-u.ac.jp> In-Reply-To: <20020625115430E.garrigue@kurims.kyoto-u.ac.jp> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8bit Content-Disposition: inline Message-Id: <200206251522.28391.erayo@cs.bilkent.edu.tr> Sender: owner-caml-list@pauillac.inria.fr Precedence: bulk On Tuesday 25 June 2002 05:54, Jacques Garrigue wrote: > From: james woodyatt > > Sure. The children_set method contains a contravariant occurence of 'self. > It cannot be compatible with its subclasses. You don't need to have > mutable data to have variance incompatibilities. > No bug, business as usual. Which programming style would express the intended semantics, then? I guess we would need a slightly different formulation. Thanks, -- Eray Ozkural Comp. Sci. Dept., Bilkent University, Ankara www: http://www.cs.bilkent.edu.tr/~erayo GPG public key fingerprint: 360C 852F 88B0 A745 F31B EA0F 7C07 AE16 874D 539C ------------------- 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