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 mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83]) by sympa.inria.fr (Postfix) with ESMTPS id C177B7EEEF for ; Mon, 22 Jun 2015 18:07:10 +0200 (CEST) Received-SPF: None (mail2-smtp-roc.national.inria.fr: no sender authenticity information available from domain of mshinwell@janestreet.com) identity=pra; client-ip=38.105.200.112; receiver=mail2-smtp-roc.national.inria.fr; envelope-from="mshinwell@janestreet.com"; x-sender="mshinwell@janestreet.com"; x-conformance=sidf_compatible Received-SPF: Pass (mail2-smtp-roc.national.inria.fr: domain of mshinwell@janestreet.com designates 38.105.200.112 as permitted sender) identity=mailfrom; client-ip=38.105.200.112; receiver=mail2-smtp-roc.national.inria.fr; envelope-from="mshinwell@janestreet.com"; x-sender="mshinwell@janestreet.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@mxout1.mail.janestreet.com) identity=helo; client-ip=38.105.200.112; receiver=mail2-smtp-roc.national.inria.fr; envelope-from="mshinwell@janestreet.com"; x-sender="postmaster@mxout1.mail.janestreet.com"; x-conformance=sidf_compatible X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0BXAQBUMYhVnHDIaSZcg2RfBoMYq2mQc4V4AoExB0wBAQEBAQESAQEBAQEGFglPhCMBAQQSER0BASwLAQ8LCw0CAgkdAgIhARIBBQEKEgYTEhCHeAMSAwqoCT4xik9whGQBBYs8AwqFWwEBAQEBAQEBAQEBAQEBAQEBARQGCoEXiiSCTYI5B4JogUOFXwqOGYRWhReBYYF7jx6FThIjgRUXhAluAYJHAQEB X-IPAS-Result: A0BXAQBUMYhVnHDIaSZcg2RfBoMYq2mQc4V4AoExB0wBAQEBAQESAQEBAQEGFglPhCMBAQQSER0BASwLAQ8LCw0CAgkdAgIhARIBBQEKEgYTEhCHeAMSAwqoCT4xik9whGQBBYs8AwqFWwEBAQEBAQEBAQEBAQEBAQEBARQGCoEXiiSCTYI5B4JogUOFXwqOGYRWhReBYYF7jx6FThIjgRUXhAluAYJHAQEB X-IronPort-AV: E=Sophos;i="5.13,660,1427752800"; d="scan'208";a="166683305" Received: from mxout1.mail.janestreet.com ([38.105.200.112]) by mail2-smtp-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES128-SHA; 22 Jun 2015 18:07:10 +0200 Received: from tot-qpr-mailcore1.delacy.com ([172.27.56.68] helo=tot-qpr-mailcore1) by mxout1.mail.janestreet.com with smtp (Exim 4.82) (envelope-from ) id 1Z74FY-0002Mt-CI for caml-list@inria.fr; Mon, 22 Jun 2015 12:07:08 -0400 X-JS-Flow: external Received: by tot-qpr-mailcore1 with JS-mailcore (0.1) (envelope-from ) id BViDKs-AAAHCK-Lg; 2015-06-22 12:07:08.369088-04:00 Received: from mail-ob0-f176.google.com ([209.85.214.176]) by mxgoog1.mail.janestreet.com with esmtps (UNKNOWN:AES128-GCM-SHA256:128) (Exim 4.72) (envelope-from ) id 1Z74FY-0001bl-8W for caml-list@inria.fr; Mon, 22 Jun 2015 12:07:08 -0400 Received: by obbkm3 with SMTP id km3so23216628obb.1 for ; Mon, 22 Jun 2015 09:07:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=janestreet.com; s=google; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=BMUS/HQpfRHFR53K0Vfk34WHDfMFQC7XKbn3XblQlZg=; b=r2ccMigxSpEJ6MdlEYidZZpmFRrJVwM+ReLh0g7besBXkGXyUQ2xOiJ0jiqSMxtWM3 nxljYgJao4/rp7dd4UbO53MVc3gRMFlX+4QKIDeSlDnMCdV1dYPqwCBAqnRpDksHI7pp qjkYjVw0T++3T/kv7Iu1KYtXbMoKy3iyt8FKA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=BMUS/HQpfRHFR53K0Vfk34WHDfMFQC7XKbn3XblQlZg=; b=MfzEv1Pp0++09OkvBUsZ3cbDJHxkuPDu7K4p0uh08J+QCFP7TQTFp1SstqE0a3qMog f8Jrm2bygcnHrOPET/sFBQHwiCMPrvisg5IN2ik8147L5W0UYnpqkiNURFlm+uhjL4KG okXknMWaDJWgad8kUiBMpnbJZ1hruEB4AF8BD13bMBfPZjx3IfLonk/WtacMn2Kf9/5v 2y7IKiUF1LJqYmO+mprLH2rS8L6O0/qDB0iRyEkQChguPOeD88/YqLeTMmJVrDLJZlAX YI2QC/GzHZxBc0y35Q5lOhNOrs1bCORCzh5GWLfXYjH9WNQTPZDrpkBNRKWqh+FQYctm NXHg== X-Gm-Message-State: ALoCoQmqSIAYCQyXtzTC1OZ2APXcIuZSdkyXI30tTJrNwA/EIFjVo+THkd95uYSCRgT4ihw84XjP9jMYQ+ulUt58MLSqPoJpgUGeittDv1aSAkI17KR27PIZR2Yf2ODGyuzJYE7nGspK X-Received: by 10.202.3.66 with SMTP id 63mr23920415oid.41.1434989227903; Mon, 22 Jun 2015 09:07:07 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.202.3.66 with SMTP id 63mr23920408oid.41.1434989227816; Mon, 22 Jun 2015 09:07:07 -0700 (PDT) Received: by 10.202.170.21 with HTTP; Mon, 22 Jun 2015 09:07:07 -0700 (PDT) In-Reply-To: References: <1434982765.31996.19.camel@e130.lan.sumadev.de> Date: Mon, 22 Jun 2015 17:07:07 +0100 Message-ID: From:Mark Shinwell To:Thomas Refis Cc:Damien Doligez , Gerd Stolpmann , Alan Schmitt , OCaml Mailing List Content-Type: text/plain; charset=UTF-8 X-JS-Processed-by: mailcore X-Validation-by: mshinwell@janestreet.com Subject: Re: [Caml-list] use of ";;" when teaching Ocaml I've heard the argument of Gerd from various people on many occasions. Personally, I don't buy it; I think the situation where the error message is deficient doesn't happen very often, whereas ";;" is syntactic clutter that I have to see every day (and would rather not see). Mark On 22 June 2015 at 16:56, Thomas Refis wrote: > 2015-06-22 16:48 GMT+01:00 Damien Doligez : >> Gerd has totally nailed it, and that's the reason why I always use ;; >> in my code. >> If we had another keyword for toplevel let (let without in) the >> situation would be quite different. > > http://caml.inria.fr/pub/docs/manual-camlp4/manual007.html ! > > -- > Caml-list mailing list. Subscription management and archives: > https://sympa.inria.fr/sympa/arc/caml-list > Beginner's list: http://groups.yahoo.com/group/ocaml_beginners > Bug reports: http://caml.inria.fr/bin/caml-bugs