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 mail4-relais-sop.national.inria.fr (mail4-relais-sop.national.inria.fr [192.134.164.105]) by yquem.inria.fr (Postfix) with ESMTP id BB1E8BBAF for ; Wed, 25 Jun 2008 17:02:43 +0200 (CEST) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AtYAAJb6YUiCcYARo2dsb2JhbACSVQEBAQEBAQcFCAcRnzk X-IronPort-AV: E=Sophos;i="4.27,703,1204498800"; d="scan'208";a="26707952" Received: from coriana6.cis.mcmaster.ca ([130.113.128.17]) by mail4-smtp-sop.national.inria.fr with ESMTP; 25 Jun 2008 17:02:42 +0200 Received: from Dura7.UTS.McMaster.CA (dura7.UTS.mcmaster.ca [130.113.196.62]) by coriana6.cis.mcmaster.ca (8.13.7/8.13.7) with ESMTP id m5PF2Fe6000638; Wed, 25 Jun 2008 11:02:38 -0400 (EDT) Received: from cgpsrv2.cis.mcmaster.ca (univmail.CIS.McMaster.CA [130.113.64.46]) by Dura7.UTS.McMaster.CA (8.13.7/8.13.7) with ESMTP id m5PF216o019298; Wed, 25 Jun 2008 11:02:01 -0400 Received: from [99.235.248.61] (account carette@univmail.cis.mcmaster.ca HELO [192.168.1.101]) by cgpsrv2.cis.mcmaster.ca (CommuniGate Pro SMTP 4.3.12) with ESMTPSA id 215928043; Wed, 25 Jun 2008 11:02:01 -0400 Message-ID: <48625DED.7080704@mcmaster.ca> Date: Wed, 25 Jun 2008 11:02:05 -0400 From: Jacques Carette Organization: McMaster University User-Agent: Thunderbird 2.0.0.14 (Windows/20080421) MIME-Version: 1.0 To: Dario Teixeira Cc: caml-list@yquem.inria.fr Subject: Re: [Caml-list] Phantom types: transparency vs rogue unification References: <767974.3892.qm@web54607.mail.re2.yahoo.com> In-Reply-To: <767974.3892.qm@web54607.mail.re2.yahoo.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-PMX-Version-Mac: 5.4.2.338381, Antispam-Engine: 2.6.0.325393, Antispam-Data: 2008.6.25.144936 X-PerlMx-Spam: Gauge=IIIIIII, Probability=7%, Report='BODY_SIZE_1000_LESS 0, BODY_SIZE_300_399 0, BODY_SIZE_5000_LESS 0, __BOUNCE_CHALLENGE_SUBJ 0, __CT 0, __CTE 0, __CT_TEXT_PLAIN 0, __HAS_MSGID 0, __MIME_TEXT_ONLY 0, __MIME_VERSION 0, __SANE_MSGID 0, __USER_AGENT 0' X-Spam: no; 0.00; unification:01 functor:01 dependencies:01 opaque:01 caml-list:01 parse:02 parse:02 mcmaster:02 string:02 jacques:03 jacques:03 float:03 let:03 explicit:04 types:05 How about leaving your type opaque but changing your implementation of parse to let parse s = Stringies.make (float_of_string s) ? In my tests, this works as you intended. Note that I would personally implement Stringies_IO a Functor over Stringies rather than having explicit dependencies. Jacques