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=1.0 required=5.0 tests=AWL,SPF_NEUTRAL autolearn=disabled version=3.1.3 X-Original-To: caml-list@yquem.inria.fr Delivered-To: caml-list@yquem.inria.fr Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by yquem.inria.fr (Postfix) with ESMTP id 3153EBC6B for ; Sun, 10 Feb 2008 19:03:53 +0100 (CET) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgAAAGDLrkfAXQInh2dsb2JhbACQOgEBAQgKKZFXg1I X-IronPort-AV: E=Sophos;i="4.25,330,1199660400"; d="scan'208";a="9004678" Received: from concorde.inria.fr ([192.93.2.39]) by mail3-smtp-sop.national.inria.fr with ESMTP; 10 Feb 2008 19:03:52 +0100 Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by concorde.inria.fr (8.13.6/8.13.6) with ESMTP id m1AI3qH2003456 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=OK) for ; Sun, 10 Feb 2008 19:03:52 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgAAAGDLrkfRVYC8kmdsb2JhbACQOgEBAQEHBAQJChaRWYNS X-IronPort-AV: E=Sophos;i="4.25,330,1199660400"; d="scan'208";a="9004677" Received: from fk-out-0910.google.com ([209.85.128.188]) by mail3-smtp-sop.national.inria.fr with ESMTP; 10 Feb 2008 19:03:52 +0100 Received: by fk-out-0910.google.com with SMTP id z22so5550913fkz.9 for ; Sun, 10 Feb 2008 10:03:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:cc:message-id:from:to:in-reply-to:content-type:content-transfer-encoding:mime-version:subject:date:references:x-mailer:sender; bh=NiBkA4J+pk1IqfBYuBj1NN7yC07YnESqJmqjreHDlAg=; b=jQC1mLrshJP3ZQIjlGHv/dSPQdJnsRidncg43RVrUYjzF2ojjZihVmOYApGCg+geJZ3SsbXlR9z9hQHrDmFd1rlAmM5NfGqw+nPbcRAPEFKsHECGlAreDyPQ2VTXbeB7/WEprEzPqA85yS61YS03SuzKhlmQLG16t36sdquoLe8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=cc:message-id:from:to:in-reply-to:content-type:content-transfer-encoding:mime-version:subject:date:references:x-mailer:sender; b=AZhlwtf5U0ldZILRID+2y9QqQyTBcRzXEzrrtwd0iChzo1+LA+82yRoY/ESghhI39+zvDM/BDJBNgihOjcJg7VpngUsZgRhhA2p4GBS2JdcEJaqKE7HziCtACZW0zKhw4DpVxTQwyFCvBgQmTfmxzRXRatoiVzGVYb0Ml3RIaAk= Received: by 10.82.184.2 with SMTP id h2mr27743779buf.22.1202666631514; Sun, 10 Feb 2008 10:03:51 -0800 (PST) Received: from ?192.168.1.58? ( [85.1.105.172]) by mx.google.com with ESMTPS id z40sm17278438ikz.4.2008.02.10.10.03.50 (version=TLSv1/SSLv3 cipher=OTHER); Sun, 10 Feb 2008 10:03:51 -0800 (PST) Cc: "Caml List" Message-Id: <8BDAF65E-F29B-4F8C-B20E-1E0FDA521609@erratique.ch> From: =?ISO-8859-1?Q?B=FCnzli_Daniel?= To: Ralph Douglass In-Reply-To: <71767b800802100946o4d465b79xad9b1f9515f7e69f@mail.gmail.com> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v915) Subject: Re: [Caml-list] confusion about mutable strings Date: Sun, 10 Feb 2008 19:03:56 +0100 References: <71767b800802100946o4d465b79xad9b1f9515f7e69f@mail.gmail.com> X-Mailer: Apple Mail (2.915) Sender: =?ISO-8859-1?Q?Daniel=20B=FCnzli?= X-Miltered: at concorde with ID 47AF3C88.000 by Joe's j-chkmail (http://j-chkmail . ensmp . fr)! X-Spam: no; 0.00; bunzli:01 buenzli:01 mutable:01 invocation:01 foo:01 ffff:98 ffff:98 caml-list:01 strings:01 string:02 string:02 allocated:02 let:03 daniel:04 daniel:04 Each invocation of foo does not allocate a new string for str, "ffff" is a constant string allocated once and you are updating this constant. let str = String.copy "ffff" will solve your problem. Best, Daniel