From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83]) by sympa.inria.fr (Postfix) with ESMTPS id A38BE7FCCB for ; Mon, 27 Apr 2015 14:30:56 +0200 (CEST) Received-SPF: None (mail2-smtp-roc.national.inria.fr: no sender authenticity information available from domain of yallop@gmail.com) identity=pra; client-ip=209.85.220.178; receiver=mail2-smtp-roc.national.inria.fr; envelope-from="yallop@gmail.com"; x-sender="yallop@gmail.com"; x-conformance=sidf_compatible Received-SPF: Pass (mail2-smtp-roc.national.inria.fr: domain of yallop@gmail.com designates 209.85.220.178 as permitted sender) identity=mailfrom; client-ip=209.85.220.178; receiver=mail2-smtp-roc.national.inria.fr; envelope-from="yallop@gmail.com"; x-sender="yallop@gmail.com"; x-conformance=sidf_compatible; x-record-type="v=spf1" Received-SPF: None (mail2-smtp-roc.national.inria.fr: no sender authenticity information available from domain of postmaster@mail-qk0-f178.google.com) identity=helo; client-ip=209.85.220.178; receiver=mail2-smtp-roc.national.inria.fr; envelope-from="yallop@gmail.com"; x-sender="postmaster@mail-qk0-f178.google.com"; x-conformance=sidf_compatible X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0AwAgAtKz5VlLLcVdFchDsFgxXDLYdWAoEpBzoSAQEBAQEBAREBAQEBBwsLCR8whCEBAQQSER0BGx0BAwwGBQsDCgICJgICIgERAQUBHAYTCBqHdAEDEaYAPjGLOYFrgnaIYgoZJw1VhGwBAQEBAQUBAQEBARcBBQ6BE4oXhQUHgmiBRQWcDpQXEiOBDAmEGD0xgkQBAQE X-IPAS-Result: A0AwAgAtKz5VlLLcVdFchDsFgxXDLYdWAoEpBzoSAQEBAQEBAREBAQEBBwsLCR8whCEBAQQSER0BGx0BAwwGBQsDCgICJgICIgERAQUBHAYTCBqHdAEDEaYAPjGLOYFrgnaIYgoZJw1VhGwBAQEBAQUBAQEBARcBBQ6BE4oXhQUHgmiBRQWcDpQXEiOBDAmEGD0xgkQBAQE X-IronPort-AV: E=Sophos;i="5.11,656,1422918000"; d="scan'208";a="137761255" Received: from mail-qk0-f178.google.com ([209.85.220.178]) by mail2-smtp-roc.national.inria.fr with ESMTP/TLS/RC4-SHA; 27 Apr 2015 14:30:56 +0200 Received: by qkx62 with SMTP id 62so60856006qkx.0 for ; Mon, 27 Apr 2015 05:30:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=jKbLuWF7jer/hsAkOyWffbfmBXVz50KiVuvImbAAUy0=; b=soS1Ee5rBFkESbQpxydcC/x1hPjzN2Z1HEcypNfqJpYz8uvzZ/njjx7cEHDHIAaUkR DeB5aNJtv38nO6MVwM0q4Fb5frUI/ad85B4o5YfqO0N1pupERz3rWrhodYMQVzUt5oak D5eyeW/VxYlT2CH7L21eCxsppDinG8SHcFU320g3RRM0o+olIGelT1QaGGOOCUmrTM9I yJ0ln0b3i72lMl+3LjPEVFGbx/0w5IH1Ody4qEQmi2+EhBsomZmC+wsQvTMJAtgyHbhC 5SoqCr4upunCsMp8mVCfEFYrulxhMoS/B0Yw7859CkJZAL7iB6y72cesYVnGE6omvpeK SsgA== MIME-Version: 1.0 X-Received: by 10.140.108.201 with SMTP id j67mr6965163qgf.79.1430137854969; Mon, 27 Apr 2015 05:30:54 -0700 (PDT) Received: by 10.229.40.7 with HTTP; Mon, 27 Apr 2015 05:30:54 -0700 (PDT) In-Reply-To: References: Date: Mon, 27 Apr 2015 13:30:54 +0100 Message-ID: From: Jeremy Yallop To: Jiten Pathy Cc: Stephen Dolan , "caml-list@inria.fr" Content-Type: text/plain; charset=UTF-8 Subject: Re: [Caml-list] phantom type On 27 April 2015 at 13:17, Jiten Pathy wrote: > It seems this encoding using first-class modules has overheads in the > interpreter(due to the functor), whereas the gadt implementation would > have no overheads. Have you measured it?