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 mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by sympa.inria.fr (Postfix) with ESMTPS id CA8D47F168 for ; Thu, 27 Aug 2015 23:56:58 +0200 (CEST) IronPort-PHdr: 9a23:IVDVIhUjy7Z0yab23O2yKIpxoyDV8LGtZVwlr6E/grcLSJyIuqrYZhCEt8tkgFKBZ4jH8fUM07OQ6PC7HzJdqs7R+Fk5M7VyFDY9wf0MmAIhBMPXQWbaF9XNKxIAIcJZSVV+9Gu6O0UGUOz3ZlnVv2HgpWVKQka3CwN5K6zPF5LIiIzvjqbpq8aVPVgD3Gr1SIgxBSv1hD2ZjtMRj4pmJ/R54TryiVwMRd5rw3h1L0mYhRf265T41pdi9yNNp6BprJYYAu2pN5g/GLdRCTBjN2Eu+OXqswPCRE2B/CgySGITxz1MAhbI9lnQV5H9vy+y4u152TeXJ+X4TKovRXKj6eJhRQXsiSFBOzNvozKfsdB5kK8O+EHpnBd42YOBOIw= Authentication-Results: mail3-smtp-sop.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 (mail3-smtp-sop.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=mail3-smtp-sop.national.inria.fr; envelope-from="oliver@first.in-berlin.de"; x-sender="oliver@first.in-berlin.de"; x-conformance=sidf_compatible Received-SPF: None (mail3-smtp-sop.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=mail3-smtp-sop.national.inria.fr; envelope-from="oliver@first.in-berlin.de"; x-sender="oliver@first.in-berlin.de"; x-conformance=sidf_compatible Received-SPF: None (mail3-smtp-sop.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=mail3-smtp-sop.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: A0CAAQCNht9VnAgqbcBeg29pBr9zhX8CgTw8EAEBAQEBAQEBEAEBAQEBCAsJCSEugh2CBwEBBCMVUQsaAhgOAgJXGYguBLFQlHMBCxwEgSKKP4USF4JSgUMFlT2FBodqB0uIJZAzgTqEJ2+CTQEBAQ X-IPAS-Result: A0CAAQCNht9VnAgqbcBeg29pBr9zhX8CgTw8EAEBAQEBAQEBEAEBAQEBCAsJCSEugh2CBwEBBCMVUQsaAhgOAgJXGYguBLFQlHMBCxwEgSKKP4USF4JSgUMFlT2FBodqB0uIJZAzgTqEJ2+CTQEBAQ X-IronPort-AV: E=Sophos;i="5.17,423,1437429600"; d="scan'208";a="144009489" Received: from einhorn.in-berlin.de ([192.109.42.8]) by mail3-smtp-sop.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Aug 2015 23:56:58 +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 t7RLuvuq001615 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Thu, 27 Aug 2015 23:56:57 +0200 Received: from x55b21205.dyn.telefonica.de (x55b21205.dyn.telefonica.de [85.178.18.5]) by webmail.in-berlin.de (Horde Framework) with HTTP; Thu, 27 Aug 2015 23:56:57 +0200 Date: Thu, 27 Aug 2015 23:56:57 +0200 Message-ID: <20150827235657.Horde.zUVXfMS1mlZDpwYM_kzkmRw@webmail.in-berlin.de> From: Oliver Bandel To: caml-list@inria.fr References: <1C02B1E2-D17D-4008-998E-B17048C62DFA@gmail.com> <20150827235149.Horde.bl0KoI85Wwz2hwhmcaeUltR@webmail.in-berlin.de> In-Reply-To: <20150827235149.Horde.bl0KoI85Wwz2hwhmcaeUltR@webmail.in-berlin.de> 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] We need a rich standard library distributed with OCaml, really Zitat von Oliver Bandel (Thu, 27 Aug 2015 23:51:49 +0200) [...] > For the advantages of opt_apply, see > > "Scott Wlaschin - Railway Oriented Programming -- error handling > in functional languages" > https://vimeo.com/97344498 > > I really enjoyed that talk. [...] Seems to be a different talk, than the one which I remember. Maybe this one I saw: Functional programming design patterns by Scott Wlaschin https://vimeo.com/113588389 But both cover the issue with option-type. Ciao, Oliver