From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail
From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Noob question: why sequences, lists in particular start at
 index 0 in Elisp?
Date: Sun, 08 Nov 2020 18:16:51 +0200
Message-ID: <83o8k76cy4.fsf@gnu.org>
References: <VI1PR06MB4526D9259AFBC8E9C71D211396EB0@VI1PR06MB4526.eurprd06.prod.outlook.com>
 <jwvlffb52uj.fsf-monnier+emacs@gnu.org>
 <VI1PR06MB4526260B8DE550FB0A5EDE2796EB0@VI1PR06MB4526.eurprd06.prod.outlook.com>
Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214";
	logging-data="13281"; mail-complaints-to="usenet@ciao.gmane.io"
Cc: monnier@iro.umontreal.ca, emacs-devel@gnu.org
To: Arthur Miller <arthur.miller@live.com>
Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Nov 08 17:17:53 2020
Return-path: <emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org>
Envelope-to: ged-emacs-devel@m.gmane-mx.org
Original-Received: from lists.gnu.org ([209.51.188.17])
	by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
	(Exim 4.92)
	(envelope-from <emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org>)
	id 1kbnO4-0003M0-Uf
	for ged-emacs-devel@m.gmane-mx.org; Sun, 08 Nov 2020 17:17:52 +0100
Original-Received: from localhost ([::1]:54728 helo=lists1p.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.90_1)
	(envelope-from <emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org>)
	id 1kbnO4-00070q-1m
	for ged-emacs-devel@m.gmane-mx.org; Sun, 08 Nov 2020 11:17:52 -0500
Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:42198)
 by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
 (Exim 4.90_1) (envelope-from <eliz@gnu.org>) id 1kbnN2-0006Dd-39
 for emacs-devel@gnu.org; Sun, 08 Nov 2020 11:16:51 -0500
Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:51376)
 by eggs.gnu.org with esmtp (Exim 4.90_1)
 (envelope-from <eliz@gnu.org>)
 id 1kbnN1-00020U-EV; Sun, 08 Nov 2020 11:16:47 -0500
Original-Received: from [176.228.60.248] (port=4703 helo=home-c4e4a596f7)
 by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256)
 (Exim 4.82) (envelope-from <eliz@gnu.org>)
 id 1kbnN0-0005xN-Jg; Sun, 08 Nov 2020 11:16:47 -0500
In-Reply-To: <VI1PR06MB4526260B8DE550FB0A5EDE2796EB0@VI1PR06MB4526.eurprd06.prod.outlook.com>
 (message from Arthur Miller on Sun, 08 Nov 2020 17:04:44 +0100)
X-BeenThere: emacs-devel@gnu.org
X-Mailman-Version: 2.1.23
Precedence: list
List-Id: "Emacs development discussions." <emacs-devel.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/emacs-devel>,
 <mailto:emacs-devel-request@gnu.org?subject=unsubscribe>
List-Archive: <https://lists.gnu.org/archive/html/emacs-devel>
List-Post: <mailto:emacs-devel@gnu.org>
List-Help: <mailto:emacs-devel-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/emacs-devel>,
 <mailto:emacs-devel-request@gnu.org?subject=subscribe>
Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org
Original-Sender: "Emacs-devel"
 <emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org>
Xref: news.gmane.io gmane.emacs.devel:258910
Archived-At: <http://permalink.gmane.org/gmane.emacs.devel/258910>

> From: Arthur Miller <arthur.miller@live.com>
> Date: Sun, 08 Nov 2020 17:04:44 +0100
> Cc: emacs-devel@gnu.org
> 
> Numerical Recipes had nice practice for their code; they would type
> pointer-- on base pointer so they could write algorithms as in
> [1,length] (and yes I know they abandoned the practice in C++ edition).

Numerical Recipes started in Fortran, didn't they?