From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail1-relais-roc.national.inria.fr (mail1-relais-roc.national.inria.fr [192.134.164.82]) by walapai.inria.fr (8.13.6/8.13.6) with ESMTP id p38Bwcot017287 for ; Fri, 8 Apr 2011 13:58:38 +0200 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AiECAHb3nk3B/BfXkWdsb2JhbACmKQEBAQEJCwsHFAMiwTuFbQSNToNq X-IronPort-AV: E=Sophos;i="4.63,323,1299452400"; d="scan'208";a="105257869" Received: from msa06.smtpout.orange.fr (HELO msa.smtpout.orange.fr) ([193.252.23.215]) by mail1-smtp-roc.national.inria.fr with ESMTP; 08 Apr 2011 13:58:33 +0200 Received: from [192.168.1.63] ([83.204.229.18]) by mwinf5d22 with ME id UzyY1g0030QTpRf03zyYVA; Fri, 08 Apr 2011 13:58:33 +0200 Message-ID: <4D9EF86A.9040202@lexifi.com> Date: Fri, 08 Apr 2011 13:58:34 +0200 From: Alain Frisch Organization: LexiFi User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.2.15) Gecko/20110303 Thunderbird/3.1.9 MIME-Version: 1.0 To: Julien Signoles CC: Jacques Garrigue , caml-list References: <4D9E28D2.1050808@wp.pl> <1302212990.8429.1150.camel@thinkpad> <0F248A34-05CF-4640-B122-75C4CE7C2CD2@mpi-sws.org> <4D9EC172.1060205@lexifi.com> <4D9ECAF2.7070300@lexifi.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Caml-list] What is an applicative functor? On 04/08/2011 01:25 PM, Julien Signoles wrote: > 2) module F(X:...) = G(H(X)) > > Without applicative functors, we again get the error about parameter > elimination. But I see no workaround to eliminate it without changing > the signature of F. So IMHO that is a use case where applicative > functors are useful. I'd be interested to see a full example for this case. -- Alain