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: Distinguishing `consp` and `functionp` Date: Mon, 29 Jan 2024 11:28:07 -0500 Message-ID: References: <86msssble8.fsf@gnu.org> <86bk9448ai.fsf@gnu.org> <864jew40m3.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="33672"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: Eli Zaretskii , emacs-devel@gnu.org To: =?windows-1252?B?Sm/jbyBU4XZvcmE=?= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Jan 29 17:28:34 2024 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 1rUUUr-0008XE-PY for ged-emacs-devel@m.gmane-mx.org; Mon, 29 Jan 2024 17:28:33 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rUUUZ-0003pX-SK; Mon, 29 Jan 2024 11:28:15 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rUUUY-0003nF-7E for emacs-devel@gnu.org; Mon, 29 Jan 2024 11:28:14 -0500 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rUUUW-00070O-Db; Mon, 29 Jan 2024 11:28:13 -0500 Original-Received: from pmg3.iro.umontreal.ca (localhost [127.0.0.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id EE36844245F; Mon, 29 Jan 2024 11:28:09 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1706545688; bh=yrBr5ZnsREyc5zpHRhI6jsUVYZEYINt2t0N0SY7SgEw=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=DiUHOfkb05l3VEvIoqHf6csIlImakDd2kMzQ7M9TRyqIr5RjHGq6ysosrH28mVKUI mha6T70h5F39oUaweLeefLVa16YW61LTcj4jqxLJDdwxOeMCbzAsJXkCFvsEwIgEoj SBn+1RYGYkGIzVIyGACYzO2zNPQGtbBHWVoRXWM45buBnkagbd+Pma51UfBjfcAU1K ymMM2LrGtg94oGAVnvaeEkSTqt4vpv+16mTP/4kbCA2y5Hfq4qo/ue42C5RIUczqhc R1Q13W7SVjnWbKLtCv3pXQKruedj9Urhusc9yD+fh+wLIzieZXseG05cSX48L54DZo M6Ey9T+XNri4Q== Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id D29B2442459; Mon, 29 Jan 2024 11:28:08 -0500 (EST) Original-Received: from pastel (unknown [45.72.206.68]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 6438612046C; Mon, 29 Jan 2024 11:28:08 -0500 (EST) In-Reply-To: (=?windows-1252?Q?=22Jo=E3o_T=E1vora=22's?= message of "Mon, 29 Jan 2024 15:54:04 +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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham 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-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:315601 Archived-At: > I don't think there is much space for philosophy or debate in noting > for example, that a list as lambda won't get byte-compiled like a > true lambda form. > > (byte-compile '(let ((bla (lambda () (+ 42 42)))) > (funcall bla))) ;; -> (byte-code "\300\211 \207" [#[0 > "\300\207" [84] 1]] 2) > > > (byte-compile '(let ((bla '(lambda () (+ 42 42)))) > (funcall bla)));; -> (byte-code "\300 \207" [(lambda > nil (+ 42 42))] 1) While it's in the vicinity, this is not directly related to my patch. >> commit 9228fd983bb9e71d44d406433a46495b22640801 >> Author: Marten Lienen >> Date: Mon Jan 22 11:08:44 2024 +0100 >> >> * yasnippel.el (yas-buffer-local-condition): Check functionp before consp to allow closures [...] > Stefan's patch moves us in the right direction if just for the guidance > it gives to ignorant Lispers like the one who introduced that bug circa 2009. FWIW, the bug fixed by the above commit was introduced a few days earlier by yours truly, Stefan