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 mail1-relais-roc.national.inria.fr (mail1-relais-roc.national.inria.fr [192.134.164.82]) by yquem.inria.fr (Postfix) with ESMTP id D3FA3BBCA for ; Tue, 1 Apr 2008 08:34:05 +0200 (CEST) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApoEAHJ08UeCNhAB/2dsb2JhbACqdw X-IronPort-AV: E=Sophos;i="4.25,585,1199660400"; d="scan'208";a="10245507" Received: from kurims.kurims.kyoto-u.ac.jp ([130.54.16.1]) by mail1-smtp-roc.national.inria.fr with ESMTP; 01 Apr 2008 08:34:04 +0200 Received: from localhost (orion [130.54.16.5]) by kurims.kurims.kyoto-u.ac.jp (8.13.8/8.13.8) with ESMTP id m316Y0Pi011524; Tue, 1 Apr 2008 15:34:00 +0900 (JST) Date: Tue, 01 Apr 2008 15:33:53 +0900 (JST) Message-Id: <20080401.153353.71907522.garrigue@math.nagoya-u.ac.jp> To: rathereasy@gmail.com Cc: caml-list@yquem.inria.fr Subject: Re: [Caml-list] adding methods to object From: Jacques Garrigue In-Reply-To: References: X-Mailer: Mew version 4.2 on Emacs 22.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Spam: no; 0.00; caml-list:01 garrigue:03 garrigue:03 jacques:03 jacques:03 let:03 nagoya-u:04 classes:08 wrap:08 object:09 object:09 wrapper:10 end:12 methods:12 methods:12 From: "Jacques Le Normand" > is it possible to add methods to an object? > in other words, if an object has type , is it possible to create an > object of type ? No, you can only add methods to classes. The only thing you can do with an object is build a wrapper object or class, which forwards original methods to the base object: let wrap o = object method a = o#a method c = o#c method e = ... end Jacques Garrigue