From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on yquem.inria.fr X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=disabled version=3.1.3 X-Original-To: caml-list@yquem.inria.fr Delivered-To: caml-list@yquem.inria.fr Received: from mail1-relais-roc.national.inria.fr (mail1-relais-roc.national.inria.fr [192.134.164.82]) by yquem.inria.fr (Postfix) with ESMTP id D30DABC6B for ; Tue, 18 Sep 2007 13:16:13 +0200 (CEST) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgAAAMZQ70bAXQInlGdsb2JhbACOEAICBwQGBwg X-IronPort-AV: E=Sophos;i="4.20,268,1186351200"; d="scan'208";a="965935" Received: from concorde.inria.fr ([192.93.2.39]) by mail1-smtp-roc.national.inria.fr with ESMTP; 18 Sep 2007 13:17:19 +0200 Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by concorde.inria.fr (8.13.6/8.13.6) with ESMTP id l8IBGiXH008432 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=OK) for ; Tue, 18 Sep 2007 13:16:44 +0200 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ao8CAAJR70aBrw8E/2dsb2JhbAA X-IronPort-AV: E=Sophos;i="4.20,268,1186351200"; d="scan'208";a="2859429" Received: from ext.lri.fr ([129.175.15.4]) by mail3-smtp-sop.national.inria.fr with ESMTP; 18 Sep 2007 13:17:18 +0200 Received: from localhost (localhost [127.0.0.1]) by ext.lri.fr (Postfix) with ESMTP id F2F83A46D4; Tue, 18 Sep 2007 13:17:17 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at lri.fr Received: from ext.lri.fr ([127.0.0.1]) by localhost (ext.lri.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id D-daCABaoZxJ; Tue, 18 Sep 2007 13:17:17 +0200 (CEST) Received: from smtp.lri.fr (vhost3-23 [129.175.3.23]) by ext.lri.fr (Postfix) with ESMTP id DA8E6A463B; Tue, 18 Sep 2007 13:17:17 +0200 (CEST) Received: from serveur9-10.lri.fr (serveur9-10 [129.175.9.10]) by smtp.lri.fr (Postfix) with ESMTP id D65FBE0503; Tue, 18 Sep 2007 13:17:17 +0200 (CEST) Received: from filliatr by serveur9-10.lri.fr with local (Exim 3.36 #1 (Debian)) id 1IXb4v-0001h3-00; Tue, 18 Sep 2007 13:17:17 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <18159.46013.820350.961353@serveur9-10.lri.fr> Date: Tue, 18 Sep 2007 13:17:17 +0200 From: Jean-Christophe Filliatre To: "Arthur Chan" Cc: caml-list@inria.fr Subject: Re: [Caml-list] Mutually recursive functions in different modules In-Reply-To: <74cabd9e0709172327g42d34407wc7027db6d8c6fba6@mail.gmail.com> References: <74cabd9e0709172327g42d34407wc7027db6d8c6fba6@mail.gmail.com> X-Mailer: VM 7.19 under Emacs 21.4.1 X-Miltered: at concorde with ID 46EFB39C.000 by Joe's j-chkmail (http://j-chkmail . ensmp . fr)! X-Spam: no; 0.00; filliatre:01 filliatre:01 lri:01 recursive:01 recursive:01 higher-order:01 rec:01 caml-list:01 functions:01 functions:01 writes:01 define:02 modules:02 modules:02 parameter:02 Arthur Chan writes: > Hey all, > > Is it possible to have mutually recursive functions in separate modules? > > For example, is it possible for function x in module A to call function y in > module B and vice versa? Not directly, but at least you can make A.x a higher-order function taking y as parameter and then define y in B as let rec y ... = ... (A.x y) ... Hope this helps, -- Jean-Christophe