From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Original-To: caml-list@sympa.inria.fr Delivered-To: caml-list@sympa.inria.fr Received: from mail1-relais-roc.national.inria.fr (mail1-relais-roc.national.inria.fr [192.134.164.82]) by sympa.inria.fr (Postfix) with ESMTPS id 2E0EB7ED7A for ; Thu, 6 Sep 2012 15:19:18 +0200 (CEST) Received-SPF: None (mail1-smtp-roc.national.inria.fr: no sender authenticity information available from domain of philippe.wang.lists@gmail.com) identity=pra; client-ip=209.85.214.182; receiver=mail1-smtp-roc.national.inria.fr; envelope-from="philippe.wang.lists@gmail.com"; x-sender="philippe.wang.lists@gmail.com"; x-conformance=sidf_compatible Received-SPF: Pass (mail1-smtp-roc.national.inria.fr: domain of philippe.wang.lists@gmail.com designates 209.85.214.182 as permitted sender) identity=mailfrom; client-ip=209.85.214.182; receiver=mail1-smtp-roc.national.inria.fr; envelope-from="philippe.wang.lists@gmail.com"; x-sender="philippe.wang.lists@gmail.com"; x-conformance=sidf_compatible; x-record-type="v=spf1" Received-SPF: None (mail1-smtp-roc.national.inria.fr: no sender authenticity information available from domain of postmaster@mail-ob0-f182.google.com) identity=helo; client-ip=209.85.214.182; receiver=mail1-smtp-roc.national.inria.fr; envelope-from="philippe.wang.lists@gmail.com"; x-sender="postmaster@mail-ob0-f182.google.com"; x-conformance=sidf_compatible X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AqISABSiSFDRVda2kGdsb2JhbABFqT2DOo0dAgJ9CCIBAQEBCQkNBxQEI4IgAQEBBBICExkBLQsBAwwBBQULAwoNISISAQUBChIGExIQh1wDDAucEgkDjxaFOycDAgiJTQEFDIsFGhWBToRIA401iCSBFI0oPoFWgi+BXw X-IronPort-AV: E=Sophos;i="4.80,380,1344204000"; d="scan'208";a="172130685" Received: from mail-ob0-f182.google.com ([209.85.214.182]) by mail1-smtp-roc.national.inria.fr with ESMTP/TLS/RC4-SHA; 06 Sep 2012 15:19:17 +0200 Received: by obbun3 with SMTP id un3so4295195obb.27 for ; Thu, 06 Sep 2012 06:19:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=Mw8h8CQ2RqwJAWRS2dOFw55uVX1Wk5AMczf1hgAn2eU=; b=1DzQJIOsmtG+YNOKtHJrDVkQRGWtEvpCK9+n0McIp+i+qxhnwKu4kovwS7vsIW58Xx P9YIo74tGN7vGjsEITW2fh3eTnf/qU/eUZHOfBz+qIouony+9qsLdlPtrQf6w6Y769IK 9elMd9ObyjJbiADoTB2l5YyLUZigSsmYU2KQ7+YdzopCYRR48x3afkcVdpoENLXH6BuO 6yv2y3+KDNI9W+FkhT4xc3JwcZGS8oxfLelc0rjEA+ciZSZjLcwC4tMPCwn9LjbJjxyj A/7S9kg6IzE7kSlGRzj3SIbtupEjW4MGDaxdpO0vgu4ZTON4/UFJC81Pc8Fn/cTlVRzf 5+VA== MIME-Version: 1.0 Received: by 10.60.13.226 with SMTP id k2mr1960746oec.14.1346937556386; Thu, 06 Sep 2012 06:19:16 -0700 (PDT) Sender: philippe.wang.lists@gmail.com Received: by 10.76.143.198 with HTTP; Thu, 6 Sep 2012 06:19:16 -0700 (PDT) In-Reply-To: References: <1346923259.77614.YahooMailRC@web180012.mail.gq1.yahoo.com> Date: Thu, 6 Sep 2012 15:19:16 +0200 X-Google-Sender-Auth: ULpNth6qIc6HqISmtbqH9Jo3NcM Message-ID: From: Philippe Wang To: David House Cc: Dan Bensen , caml-list@inria.fr Content-Type: text/plain; charset=ISO-8859-1 Subject: Re: [Caml-list] polymorphic parameters You're right, I misread the question! (I missed one word, which changed the semantics of the question) On Thu, Sep 6, 2012 at 11:49 AM, David House wrote: > Careful: that doesn't actually ensure polymorphism. See: > > https://ocaml.janestreet.com/?q=node/79 > > On Thu, Sep 6, 2012 at 10:35 AM, Philippe Wang wrote: >> On Thu, Sep 6, 2012 at 11:20 AM, Dan Bensen wrote: >>> How do you indicate that a function parameter is a polymorphic function? >> >> I hope these 2 lines will answer your question: >> >> let f g x = g x >> >> let f (g: 'a -> 'b) x = g x >> >> -- >> Philippe Wang >> mail@philippewang.info >> >> -- >> Caml-list mailing list. Subscription management and archives: >> https://sympa-roc.inria.fr/wws/info/caml-list >> Beginner's list: http://groups.yahoo.com/group/ocaml_beginners >> Bug reports: http://caml.inria.fr/bin/caml-bugs >> -- Philippe Wang mail@philippewang.info