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 MAA05978; Wed, 2 May 2001 12:00:06 +0200 (MET DST) X-Authentication-Warning: pauillac.inria.fr: majordomo set sender to owner-caml-list@pauillac.inria.fr using -f Received: (from weis@localhost) by pauillac.inria.fr (8.7.6/8.7.3) id MAA05916 for caml-list@pauillac.inria.fr; Wed, 2 May 2001 12:00:05 +0200 (MET DST) 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 BAA00905 for ; Wed, 2 May 2001 01:31:15 +0200 (MET DST) Received: from localhost.localdomain (ppp120.dyn146.pacific.net.au [210.23.146.120]) by nez-perce.inria.fr (8.11.1/8.10.0) with ESMTP id f41NVC928451 for ; Wed, 2 May 2001 01:31:13 +0200 (MET DST) Received: from ozemail.com.au (IDENT:root@localhost [127.0.0.1]) by localhost.localdomain (8.9.3/8.8.7) with ESMTP id JAA29075; Wed, 2 May 2001 09:30:56 +1000 Message-ID: <3AEF4730.C900154B@ozemail.com.au> Date: Wed, 02 May 2001 09:30:56 +1000 From: John Max Skaller X-Mailer: Mozilla 4.7 [en] (X11; I; Linux 2.2.12-20 i686) X-Accept-Language: en MIME-Version: 1.0 To: Brian Rogoff CC: Mark Seaborn , caml-list@inria.fr Subject: Re: [Caml-list] two unrelated questions References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-caml-list@pauillac.inria.fr Precedence: bulk Brian Rogoff wrote: > I wrote: > > let rec foldc remove kons knil l = match remove l with > > | (_,None) -> knil > > | (xs,Some x) -> kons x knil (fun rest -> foldc remove kons rest xs) > > > > let foldc_list = foldc (fun l -> match l with > > | [] -> l,None > > | x::xs -> xs,Some x) But this doesn't actually work: it makes the types monomorphic unknowns ('_a etc). I should have written out the parameters explicitly to avoid this: let foldc_list kons knil l = .... -- John (Max) Skaller, mailto:skaller@maxtal.com.au 10/1 Toxteth Rd Glebe NSW 2037 Australia voice: 61-2-9660-0850 checkout Vyper http://Vyper.sourceforge.net download Interscript http://Interscript.sourceforge.net ------------------- To unsubscribe, mail caml-list-request@inria.fr. Archives: http://caml.inria.fr