From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by sympa.inria.fr (Postfix) with ESMTPS id 55F097FC86 for ; Thu, 19 Mar 2015 18:16:52 +0100 (CET) Received-SPF: None (mail3-smtp-sop.national.inria.fr: no sender authenticity information available from domain of frederic.bour@lakaban.net) identity=pra; client-ip=213.251.185.180; receiver=mail3-smtp-sop.national.inria.fr; envelope-from="frederic.bour@lakaban.net"; x-sender="frederic.bour@lakaban.net"; x-conformance=sidf_compatible Received-SPF: Pass (mail3-smtp-sop.national.inria.fr: domain of frederic.bour@lakaban.net designates 213.251.185.180 as permitted sender) identity=mailfrom; client-ip=213.251.185.180; receiver=mail3-smtp-sop.national.inria.fr; envelope-from="frederic.bour@lakaban.net"; x-sender="frederic.bour@lakaban.net"; x-conformance=sidf_compatible; x-record-type="v=spf1" Received-SPF: None (mail3-smtp-sop.national.inria.fr: no sender authenticity information available from domain of postmaster@mail.lakaban.net) identity=helo; client-ip=213.251.185.180; receiver=mail3-smtp-sop.national.inria.fr; envelope-from="frederic.bour@lakaban.net"; x-sender="postmaster@mail.lakaban.net"; x-conformance=sidf_compatible X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0CpBAC0AwtV/7S5+9VchDKDDckOAoIYAQEBAQEBfYQQAQUjDwEFCAEBNgIPCxgCAgUWCwICCQMCAQIBRRMIAQGIL7FDcIRiAQWXGAwaBoEhiXaEeBaCUoFFoT6NJSKDb26CQwEBAQ X-IPAS-Result: A0CpBAC0AwtV/7S5+9VchDKDDckOAoIYAQEBAQEBfYQQAQUjDwEFCAEBNgIPCxgCAgUWCwICCQMCAQIBRRMIAQGIL7FDcIRiAQWXGAwaBoEhiXaEeBaCUoFFoT6NJSKDb26CQwEBAQ X-IronPort-AV: E=Sophos;i="5.11,430,1422918000"; d="scan'208";a="104023930" Received: from pepper.lakaban.net (HELO mail.lakaban.net) ([213.251.185.180]) by mail3-smtp-sop.national.inria.fr with ESMTP; 19 Mar 2015 18:16:51 +0100 Received: from [192.168.0.27] (81-64-217-164.rev.numericable.fr [81.64.217.164]) (Authenticated sender: defre@ygg-drasil.fr) by mail.lakaban.net (Postfix) with ESMTPSA id 86B7A3C43CF for ; Thu, 19 Mar 2015 17:10:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=lakaban.net; s=default; t=1426785056; bh=vu39uaA8sTAWPtUxtpqoaaQZKqfRpEUyYTOHmJ1zuwo=; h=Date:From:To:Subject:References:In-Reply-To:From; b=SfpnO33dFCoXOgs7mxMjvxLX0Ubqm1a8XrtBSKGTjq3YEakrJkANxMmzjBa2jok6q 7XfPog7CpKmg499K9hAA4E3N3tddS8B1KdPqqtOuuYtsweO9HDmOCR7jRipHt2uZ0p 5FBVqszioD7wUdzDq7xAslNMpA/xDDDQ9r/1z8fk= Message-ID: <550B0441.6010801@lakaban.net> Date: Thu, 19 Mar 2015 18:15:45 +0100 From: =?UTF-8?B?RnLDqWTDqXJpYyBCb3Vy?= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: caml-list@inria.fr References: <2AB388B4D07D4DDABA30298A7C890319@erratique.ch> <596DAEC11B474882835CEA10AAACE35E@erratique.ch> <87E7B1EBF3144E7C844448D0F5EBB407@erratique.ch> <20ABBB1C7E4B44E083BECF14EB99E72F@erratique.ch> In-Reply-To: <20ABBB1C7E4B44E083BECF14EB99E72F@erratique.ch> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Subject: Re: [Caml-list] GADT existential escape Indeed, open variants can have type parameters. But exceptions really are sugar over a non-parameterized open variant. On 19/03/2015 18:14, Daniel Bünzli wrote: > Le jeudi, 19 mars 2015 à 17:46, Milan Stanojević a écrit : >> Exceptions and open variants are actually exactly the same. > Well apparently not. It seems that open variants are more expressive. > > Daniel > > >