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: Are "proper" closures used in Emacs sources? Date: Tue, 12 Jan 2021 12:22:32 -0500 Message-ID: References: <875z42s1r3.fsf@mbork.pl> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="31277"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Marcin Borkowski , Andrea Corallo To: Andrea Corallo via "Emacs development discussions." Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Jan 12 19:09:00 2021 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 1kzO6F-0007z7-4h for ged-emacs-devel@m.gmane-mx.org; Tue, 12 Jan 2021 19:08:59 +0100 Original-Received: from localhost ([::1]:60812 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kzO6E-00028t-6Y for ged-emacs-devel@m.gmane-mx.org; Tue, 12 Jan 2021 13:08:58 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:37842) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kzNNP-0004Fq-2U for emacs-devel@gnu.org; Tue, 12 Jan 2021 12:22:39 -0500 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:53690) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kzNNM-0007j2-KG for emacs-devel@gnu.org; Tue, 12 Jan 2021 12:22:38 -0500 Original-Received: from pmg3.iro.umontreal.ca (localhost [127.0.0.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id 85D99440CF5; Tue, 12 Jan 2021 12:22:35 -0500 (EST) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id C5981440BFE; Tue, 12 Jan 2021 12:22:33 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1610472153; bh=T2w4ljfQXI2uM/+fqCUHYs3zDob/gS4P6vUuJJvUYuM=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=SGEHI4CWIt2YXzPyKpf260QD82BDZi3NoKRGvu1tkzOW1HbZgU+iFSPqi4vi/5jfU S/mjx2wKloZ0tYoo9GMsT6FyrRd4ZtdBJnt7kEeG+xwTN41LtvK3pRRVJ96B33n5eI AH7cuIrnsk/1fU0gX4QEhYvS7J+JJM12ACBtDZez8YfC+jRWao8JUL7EPLLTTBI2oJ dvnRm9oTDK2LKm5J5NGpAefXfSdMql3kPLi0BXMr62gabMEGGBTNxZrtkBzmUY+h1X lZLOYdLXt0VsUU2QE+8afJSh4vgJeEqCCgLKf7Yi8Z+8S137qaN0BgJQ2XZjOnnW15 eExWVZIi+SpoQ== Original-Received: from alfajor (unknown [45.72.224.181]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 180A0120387; Tue, 12 Jan 2021 12:22:33 -0500 (EST) In-Reply-To: (Andrea Corallo via's message of "Tue, 12 Jan 2021 16:48:20 +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: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, 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=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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:263011 Archived-At: > I've put a print in `byte-compile-make-closure' and did a bootstrap. > > I'm counting 7289 occurrences in the Emacs code base. Is this a correct > estimation? Probably, but I suspect most of them are in the "downward funarg" category, i.e. they'd work just as well with dynamic scope because they don't outlive their own scope. Stefan