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: using finalizers Date: Sat, 01 Jan 2022 12:00:06 -0500 Message-ID: References: <878rw1pvcw.fsf@logand.com> <875yr5p9t3.fsf@logand.com> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="31552"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: LdBeth , emacs-devel@gnu.org To: Tomas Hlavaty Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Jan 01 18:03:08 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 1n3hme-00080C-5L for ged-emacs-devel@m.gmane-mx.org; Sat, 01 Jan 2022 18:03:08 +0100 Original-Received: from localhost ([::1]:52002 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n3hmc-0003WP-Ee for ged-emacs-devel@m.gmane-mx.org; Sat, 01 Jan 2022 12:03:06 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:36720) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n3hk1-0008ST-Am for emacs-devel@gnu.org; Sat, 01 Jan 2022 12:00:28 -0500 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:39798) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n3hjy-0007dn-NN for emacs-devel@gnu.org; Sat, 01 Jan 2022 12:00:24 -0500 Original-Received: from pmg3.iro.umontreal.ca (localhost [127.0.0.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id BC0CC440F21; Sat, 1 Jan 2022 12:00:19 -0500 (EST) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id 6B6DD441407; Sat, 1 Jan 2022 12:00:18 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1641056418; bh=6cx8nWLHTJ9pj2KwQbrLB4rOkgpMU5eLirXvPf4/nKY=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=jbW+iPbV57QzXO1LJssvTAOl49S2CDy26xAoFyren8w4iXrvbcTRMQugIwFzqS8F+ q5phS5vwCg/0nIolwEZ0k2gC5se3aeqUwmEcz4A2yoovweiEqSxxJUrBxSVVrbQ/B+ 3aVlhNwmmjY5+VYBq/pFID3dOPMcHRtBoIeadxt7GsgelnCETXgQI/RS0ATkyav3LM q/KvVOiLnpbrp8T6jcWw3vBgVxDovZyQmE7oWC0ZW0YWMgmAoyUmVEFsUkUv3gCmzj BYKifcVNaHQ660/9tdP49s6Bt1wzXC4+2HfoeTqW/fPgM6TT6IL3JWz8JlFnWS7hHE BMPmYAGlBh1jg== Original-Received: from pastel (unknown [216.154.30.173]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 0B9861203CD; Sat, 1 Jan 2022 12:00:17 -0500 (EST) In-Reply-To: <875yr5p9t3.fsf@logand.com> (Tomas Hlavaty's message of "Fri, 31 Dec 2021 07:28:40 +0100") 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:283800 Archived-At: > One more question: Because make-finalizer in Emacs Lisp does not take > the object into account, Not sure what you mean by "the object" here. > I have to make sure to hold the reference to the finalizer somehow. > However, this might not be trivial, because a smart compiler could > eliminate the reference. And I definitely don't know what you mean by "the reference", so I have no idea why a smart compiler would be able to eliminate it. Stefan