From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on yquem.inria.fr X-Spam-Level: X-Spam-Status: No, score=0.1 required=5.0 tests=AWL autolearn=disabled version=3.1.3 X-Original-To: caml-list@yquem.inria.fr Delivered-To: caml-list@yquem.inria.fr Received: from mail4-relais-sop.national.inria.fr (mail4-relais-sop.national.inria.fr [192.134.164.105]) by yquem.inria.fr (Postfix) with ESMTP id D4406BBC6 for ; Sat, 4 Apr 2009 12:05:39 +0200 (CEST) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Au8AADPN1knUnwcjjmdsb2JhbACCIZQFAQEBAQkLCAkPBrY+hA8G X-IronPort-AV: E=Sophos;i="4.39,323,1235948400"; d="scan'208";a="37849744" Received: from relay.ptn-ipout01.plus.net ([212.159.7.35]) by mail4-smtp-sop.national.inria.fr with ESMTP/TLS/RC4-SHA; 04 Apr 2009 12:05:39 +0200 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AigFAF/O1knUnw4R/2dsb2JhbACCIcp6hA8G Received: from pih-relay04.plus.net ([212.159.14.17]) by relay.ptn-ipout01.plus.net with ESMTP; 04 Apr 2009 11:05:27 +0100 Received: from [87.112.226.235] (helo=leper.local) by pih-relay04.plus.net with esmtp (Exim) id 1Lq2kg-0007dk-Vr for caml-list@yquem.inria.fr; Sat, 04 Apr 2009 11:05:27 +0100 From: Jon Harrop Organization: Flying Frog Consultancy Ltd. To: caml-list@yquem.inria.fr Subject: Re: [Caml-list] Strings Date: Sat, 4 Apr 2009 11:11:47 +0100 User-Agent: KMail/1.9.9 References: <200904031256.33357.jon@ffconsultancy.com> <4b5157c30904031246x1628919ek9bed3e53b672c367@mail.gmail.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200904041111.47211.jon@ffconsultancy.com> X-Plusnet-Relay: 2395e7b570c1862a0a298c60fb947a2f X-Spam: no; 0.00; mutable:01 2009:98 frog:98 wrote:01 caml-list:01 strings:01 purely:02 data:02 argument:02 argument:02 functional:02 string:02 bytes:03 written:07 structure:07 On Friday 03 April 2009 21:41:26 Harrison, John R wrote: > | I can agree with you on this argument, but a question still remains: > | > | why should you ever do things like: > | > # s.[0] <- 'a';; > > The point is that it might not be your own code that does it, but a > function written by someone else to which you innocently pass a string > argument. You may think you're writing purely functional code... Why? This data structure is a mutable array of bytes and should be treated as such. -- Dr Jon Harrop, Flying Frog Consultancy Ltd. http://www.ffconsultancy.com/?e