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 2EF107F168 for ; Fri, 28 Aug 2015 00:12:22 +0200 (CEST) IronPort-PHdr: 9a23:s4G8UBzSeeTN9MjXCy+O+j09IxM/srCxBDY+r6Qd0ewVIJqq85mqBkHD//Il1AaPBtWArawZwLKG+4nbGkU+or+5+EgYd5JNUxJXwe43pCcHRPC/NEvgMfTxZDY7FskRHHVs/nW8LFQHUJ2mPw6anHS+4HYoFwnlMkItf6KuStWU0Zn8j7D60qaQSjsLrQL1Wal1IhSyoFeZnegtqqwmFJwMzADUqGBDYeVcyDAgD1uSmxHh+pX4p8Y7oGxmgO8678NLTYn9eq05S/QYUGVnYCgJ45jgvBzHCA+O/Wc0U2MMkxMODRKWwgv9W8LWtirku/A18iCcMcDyBeQzXTW84r1DRh7ykztBNjh8+mzNjs12yq5W9kHy7ydjypLZNdnGfMF1ebnQKI9LSA== Authentication-Results: mail2-smtp-roc.national.inria.fr; spf=None smtp.pra=oliver@first.in-berlin.de; spf=None smtp.mailfrom=oliver@first.in-berlin.de; spf=None smtp.helo=postmaster@einhorn.in-berlin.de Received-SPF: None (mail2-smtp-roc.national.inria.fr: no sender authenticity information available from domain of oliver@first.in-berlin.de) identity=pra; client-ip=192.109.42.8; receiver=mail2-smtp-roc.national.inria.fr; envelope-from="oliver@first.in-berlin.de"; x-sender="oliver@first.in-berlin.de"; x-conformance=sidf_compatible Received-SPF: None (mail2-smtp-roc.national.inria.fr: no sender authenticity information available from domain of oliver@first.in-berlin.de) identity=mailfrom; client-ip=192.109.42.8; receiver=mail2-smtp-roc.national.inria.fr; envelope-from="oliver@first.in-berlin.de"; x-sender="oliver@first.in-berlin.de"; x-conformance=sidf_compatible Received-SPF: None (mail2-smtp-roc.national.inria.fr: no sender authenticity information available from domain of postmaster@einhorn.in-berlin.de) identity=helo; client-ip=192.109.42.8; receiver=mail2-smtp-roc.national.inria.fr; envelope-from="oliver@first.in-berlin.de"; x-sender="postmaster@einhorn.in-berlin.de"; x-conformance=sidf_compatible X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0CAAQBUit9VnAgqbcBeg29pBq0qkk2FewKBPTwQAQEBAQEBAQEQAQEBAQEICwkJIS6CHYIHAQEDASMVNiYaAgkPBwcCIyQSGRKIBwMKCAQJoWWPY49JAwqFSYEiij+CT4JDF4JSgUMFhXQMjz2FBoYAgWoHS4FBhmSKMoYBgTqCZ4FAb4JNAQEB X-IPAS-Result: A0CAAQBUit9VnAgqbcBeg29pBq0qkk2FewKBPTwQAQEBAQEBAQEQAQEBAQEICwkJIS6CHYIHAQEDASMVNiYaAgkPBwcCIyQSGRKIBwMKCAQJoWWPY49JAwqFSYEiij+CT4JDF4JSgUMFhXQMjz2FBoYAgWoHS4FBhmSKMoYBgTqCZ4FAb4JNAQEB X-IronPort-AV: E=Sophos;i="5.17,423,1437429600"; d="scan'208";a="175115834" Received: from einhorn.in-berlin.de ([192.109.42.8]) by mail2-smtp-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 Aug 2015 00:12:21 +0200 X-Envelope-From: oliver@first.in-berlin.de X-Envelope-To: Received: from localhost (yak.in-berlin.de [192.109.42.109]) by einhorn.in-berlin.de (8.14.4/8.14.4/Debian-4) with ESMTP id t7RMCLbx012053 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Fri, 28 Aug 2015 00:12:21 +0200 Received: from x55b21205.dyn.telefonica.de (x55b21205.dyn.telefonica.de [85.178.18.5]) by webmail.in-berlin.de (Horde Framework) with HTTP; Fri, 28 Aug 2015 00:12:21 +0200 Date: Fri, 28 Aug 2015 00:12:21 +0200 Message-ID: <20150828001221.Horde.FlDW4mywQGSq6RZMkpPvHcF@webmail.in-berlin.de> From: Oliver Bandel To: caml-list@inria.fr In-Reply-To: User-Agent: Horde Application Framework 5 Content-Type: text/plain; charset=utf-8; format=flowed; DelSp=Yes MIME-Version: 1.0 Content-Disposition: inline Subject: Re: [Caml-list] option-type (was Re: We need a rich standard library distributed with OCaml, really) What do you mean? None is a Null-Reference? Zitat von Raoul Duke (Thu, 27 Aug 2015 14:57:13 -0700) >> It started me thinking about my code, seeing option-type not as >> something strange, that sometimes makes sense, but as something, >> which is really great and might be used more frequently ... > > yikes. > > here's hoping the dev world takes it to heart *some day* :-( > > https://en.wikipedia.org/wiki/Tony_Hoare#cite_note-19 > > -- > 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