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 mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83]) by yquem.inria.fr (Postfix) with ESMTP id C7713BBC4 for ; Fri, 3 Apr 2009 13:50:15 +0200 (CEST) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Al0BAIuU1UnUnwdkimdsb2JhbACCIZQBAQEBCgkMBw8GuG2EDwY X-IronPort-AV: E=Sophos;i="4.39,319,1235948400"; d="scan'208";a="23878459" Received: from relay.pcl-ipout02.plus.net ([212.159.7.100]) by mail2-smtp-roc.national.inria.fr with ESMTP/TLS/RC4-SHA; 03 Apr 2009 13:50:15 +0200 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AoAFAAOV1UnUnw6U/2dsb2JhbACCIc0ohA8G Received: from fhw-relay07.plus.net ([212.159.14.148]) by relay.pcl-ipout02.plus.net with ESMTP; 03 Apr 2009 12:50:15 +0100 Received: from [87.112.226.235] (helo=leper.local) by fhw-relay07.plus.net with esmtp (Exim) id 1LphuX-0004aR-GF for caml-list@yquem.inria.fr; Fri, 03 Apr 2009 12:50:13 +0100 From: Jon Harrop Organization: Flying Frog Consultancy Ltd. To: caml-list@yquem.inria.fr Subject: Strings Date: Fri, 3 Apr 2009 12:56:33 +0100 User-Agent: KMail/1.9.9 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200904031256.33357.jon@ffconsultancy.com> X-Plusnet-Relay: fa3ac460d811255533f65aa745127386 X-Spam: no; 0.00; mutable:01 ocaml:01 frog:98 immutable:01 immutable:01 strings:01 strings:01 string:02 stories:95 i'd:06 porting:06 seem:08 first-class:08 batteries:91 ltd:87 I read that batteries included provides first-class rope-based strings and I was just reading up on some horror stories about immutable strings on StackOverflow. This made me wonder what people's thoughts are about mutable vs immutable strings? I had never thought about it until I started porting my OCaml code to F# where strings are immutable and I found immutable strings to be a PITA. Immutable array-based strings seem pointless to me but I'd still appreciate an immutable rope-based string... -- Dr Jon Harrop, Flying Frog Consultancy Ltd. http://www.ffconsultancy.com/?e