From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Delivered-To: caml-list@yquem.inria.fr Received: from nez-perce.inria.fr (nez-perce.inria.fr [192.93.2.78]) by yquem.inria.fr (Postfix) with ESMTP id D8325BC75 for ; Mon, 28 Feb 2005 11:49:25 +0100 (CET) Received: from pauillac.inria.fr (pauillac.inria.fr [128.93.11.35]) by nez-perce.inria.fr (8.13.0/8.13.0) with ESMTP id j1SAnPZF009552 for ; Mon, 28 Feb 2005 11:49:25 +0100 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 LAA26272 for ; Mon, 28 Feb 2005 11:49:25 +0100 (MET) Received: from alex.barettalocal.com (h213-255-109-130.albacom.net [213.255.109.130] (may be forged)) by concorde.inria.fr (8.13.0/8.13.0) with ESMTP id j1SAnOLB022680; Mon, 28 Feb 2005 11:49:24 +0100 Received: from [127.0.0.1] (localhost.localdomain [127.0.0.1]) by alex.barettalocal.com (Postfix) with ESMTP id 602902BAAEA; Mon, 28 Feb 2005 11:49:24 +0100 (CET) Message-ID: <4222F734.8070905@barettadeit.com> Date: Mon, 28 Feb 2005 11:49:24 +0100 From: Alex Baretta User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.5) Gecko/20050105 Debian/1.7.5-1 X-Accept-Language: it, en-us, en MIME-Version: 1.0 To: Luc Maranget , Ocaml Subject: Re: [Caml-list] Fragile pattern matching?! References: <4222EF9E.1030106@barettadeit.com> <20050228103959.GA31015@yquem.inria.fr> In-Reply-To: <20050228103959.GA31015@yquem.inria.fr> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Miltered: at nez-perce with ID 4222F735.002 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Miltered: at concorde with ID 4222F734.001 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Spam: no; 0.00; baretta:01 caml-list:01 luc:01 maranget:01 wrote:01 ocamlc:01 constructors:01 makefile:01 baretta:01 data:02 warnings:02 types:02 alex:03 alex:03 pattern:03 X-Spam-Checker-Version: SpamAssassin 3.0.2 (2004-11-16) on yquem.inria.fr X-Spam-Status: No, score=0.9 required=5.0 tests=FORGED_RCVD_HELO,PLING_QUERY autolearn=disabled version=3.0.2 X-Spam-Level: Luc Maranget wrote: > > Hello, > > The warning (which you do not supply) attempt to be informative. > > # ocamlc -w A alex.ml > File "alex.ml", line 13, characters 4-5: > Warning E: this pattern is fragile. It would hide > the addition of new constructors to the data types it matches. Got it! Makefile brain-damage on our part. We messed with the enabled/disable warnings and all of a sudden, without meaning to do it, we enable the E warning. This is why the warning, which used not to be flagged, suddenly began appearing. Alex -- ********************************************************************* http://www.barettadeit.com/ Baretta DE&IT A division of Baretta SRL tel. +39 02 370 111 55 fax. +39 02 370 111 54 Our technology: The Application System/Xcaml (AS/Xcaml) The FreerP Project