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 15:38:33 -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="35749"; 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 21:39:22 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 1n4U6z-00096c-Vd for ged-emacs-devel@m.gmane-mx.org; Mon, 03 Jan 2022 21:39:22 +0100 Original-Received: from localhost ([::1]:58436 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n4U6y-0007V2-9K for ged-emacs-devel@m.gmane-mx.org; Mon, 03 Jan 2022 15:39:20 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:43530) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n4U6K-0006ZX-Fr for emacs-devel@gnu.org; Mon, 03 Jan 2022 15:38:40 -0500 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:43313) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n4U6G-0007Kk-W1 for emacs-devel@gnu.org; Mon, 03 Jan 2022 15:38:39 -0500 Original-Received: from pmg3.iro.umontreal.ca (localhost [127.0.0.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id 6943D442BF7; Mon, 3 Jan 2022 15:38:35 -0500 (EST) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id 528D0440537; Mon, 3 Jan 2022 15:38:34 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1641242314; bh=br9sGt1V0B12QD8ths54YzxtCo+of/sxnTRNtuqdrP8=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=O+gG3x6SBITKhfa+Pnuf+r+nMnD1D0NkOFwzEIGOhU6SGhszJ5YNspXUcQwABsUr2 Z/zVM1FcfxiqyEL2C5A6/A+6XncFWh9ZABl2vJQRd4/4SiJubQap4T3Gkf1C9cf35D omD5W79jcQ3aGA6j9mN4EuQwJ4pwJGUQnhjHUbSHgOgNkT1TEHxe22gQ3b42QrWxWi 6C2E79A2Ml6mBvIe9FPKepXNweKDB1C8VkzdQ9koaHuYt2lUq17D5WdyaqCKIK2bWZ bP6clVdMza4UHq0F2Ijc9eZf0F/Kfdq5w3So3zujXY/UJQG/zojTZIzcJ+UpZ7Pvj8 dfD9O1ZhPYzAA== Original-Received: from ceviche (unknown [216.154.30.173]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 22BFA120419; Mon, 3 Jan 2022 15:38:34 -0500 (EST) In-Reply-To: (Alan Mackenzie's message of "Mon, 3 Jan 2022 19:21:33 +0000") 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:284098 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. You can have [a b c (1 . #1)] and ((1 . #1)) and (a . (1 . #1)) and many more, but not just (1 . #1) -- Stefan