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 LAA12578; Sun, 11 Apr 2004 11:02:04 +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 LAA10862 for ; Sun, 11 Apr 2004 11:02:03 +0200 (MET DST) Received: from smtp1.adl2.internode.on.net (smtp1.adl2.internode.on.net [203.16.214.181]) by nez-perce.inria.fr (8.12.10/8.12.10) with ESMTP id i3B92wjq000928 for ; Sun, 11 Apr 2004 11:02:59 +0200 Received: from [192.168.1.200] (ppp116-94.lns1.syd2.internode.on.net [150.101.116.94]) by smtp1.adl2.internode.on.net (8.12.9/8.12.9) with ESMTP id i3B91peZ051761; Sun, 11 Apr 2004 18:31:51 +0930 (CST) Subject: Re: [Caml-list] Fwd: Polymorphic optional label argument, with default From: skaller Reply-To: skaller@users.sourceforge.net To: Richard Jones Cc: caml-list In-Reply-To: <20040411083357.GA19305@redhat.com> References: <20040410213616.GA28863@redhat.com> <20040411083357.GA19305@redhat.com> Content-Type: text/plain Message-Id: <1081674109.20677.361.camel@pelican> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.2 (1.2.2-4) Date: 11 Apr 2004 19:01:50 +1000 Content-Transfer-Encoding: 7bit X-Miltered: at nez-perce by Joe's j-chkmail ("http://j-chkmail.ensmp.fr")! X-Loop: caml-list@inria.fr X-Spam: no; 0.00; caml-list:01 sourceforge:01 2004:99 api:01 9660:01 glebe:01 ints:01 int:01 nsw:01 labels:01 polymorphic:01 polymorphic:01 trivial:01 snail:02 checkout:02 Sender: owner-caml-list@pauillac.inria.fr Precedence: bulk X-Keywords: X-UID: 245 On Sun, 2004-04-11 at 18:33, Richard Jones wrote: > But not if I want the default to be the most common case (which is > that my graph will be a graph of ints). I want the common case in > there so that most of the time end users of the API won't need to > worry about ~labels and optional arguments. Of course it is trivial to do with two functions: let plot_extended label_printer g = ... let plot g = plot_extended string_of_int g although I still prefer let plot g = plot_extended polyprint g since it remains polymorphic. -- John Skaller, mailto:skaller@users.sf.net voice: 061-2-9660-0850, snail: PO BOX 401 Glebe NSW 2037 Australia Checkout the Felix programming language http://felix.sf.net ------------------- 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