From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: "The starting list count" ????? Date: Mon, 03 Jan 2022 15:58:38 -0500 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="10721"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Jan 03 21:59:29 2022 Return-path: 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 ) id 1n4UQS-0002UJ-Hl for ged-emacs-devel@m.gmane-mx.org; Mon, 03 Jan 2022 21:59:28 +0100 Original-Received: from localhost ([::1]:43292 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n4UQR-0000KJ-Er for ged-emacs-devel@m.gmane-mx.org; Mon, 03 Jan 2022 15:59:27 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:48970) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n4UPl-0007PC-6u for emacs-devel@gnu.org; Mon, 03 Jan 2022 15:58:45 -0500 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:9252) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n4UPj-00034S-1y for emacs-devel@gnu.org; Mon, 03 Jan 2022 15:58:44 -0500 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 0FA101001C2; Mon, 3 Jan 2022 15:58:41 -0500 (EST) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id AB3E910000B; Mon, 3 Jan 2022 15:58:39 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1641243519; bh=Qb0GIUCFZLe2Letga1xf2iZ5rMeuTC5T2iq2spv3DMA=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=m2kWsdRcFVgYU2cIbZETpDTvWUB8p5ffalTCibBNwhqgBSZ487YF2o1W5zrD7xow3 vPj9XislknPuwOeHNNkXFfuCdo++gJZv33+zElIPhsVF6Y1No/De05VC9efbDQBNJq pjVYvjNgFrMVeqdcyqrvvSkvq/esDCJlJvpAmfmfc3yRyISTI4UqIP8kQ10bCKhYCN vZ/GvQyuWtNmfp45DuNZRXRskBYRIJGvbC8/DGIWqOnLiGRytP/aGqcN5nEcaR+9P2 SWelJtEW2VGxfo6dErD/N4D/LFbE7FvsEdtUf+KbO6TBc117efQdZab9JrexuEXrni siKGKya4GqWNg== Original-Received: from ceviche (unknown [216.154.30.173]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 87273120478; Mon, 3 Jan 2022 15:58:39 -0500 (EST) In-Reply-To: (Stefan Monnier's message of "Mon, 03 Jan 2022 15:38:33 -0500") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:284100 Archived-At: >> I might have understood it now. I think (1 . #1) refers to: > > No, if you see (1 . #1) then it's an error. The #1 means "the second > heap object between the root and here" and in (1 . #1) there's only one > heap object. One way to think about it is that those #N are "de Bruijn levels" ;-) Stefan