From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.devel Subject: Re: What's the equivalent of `boundp' for lexical variables? Date: Fri, 26 Jan 2024 21:50:51 +0100 Message-ID: <87jznv4y50.fsf@igel.home> 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="32864"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: emacs-devel@gnu.org To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Jan 26 21:51:50 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 1rTTB0-0008ML-49 for ged-emacs-devel@m.gmane-mx.org; Fri, 26 Jan 2024 21:51:50 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rTTAA-00027z-TD; Fri, 26 Jan 2024 15:50:58 -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 1rTTA9-00027o-IX for emacs-devel@gnu.org; Fri, 26 Jan 2024 15:50:57 -0500 Original-Received: from mail-out.m-online.net ([212.18.0.10]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rTTA7-00021o-Mw for emacs-devel@gnu.org; Fri, 26 Jan 2024 15:50:57 -0500 Original-Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4TM8wr44Phz1s88m; Fri, 26 Jan 2024 21:50:52 +0100 (CET) Original-Received: from localhost (dynscan1.mnet-online.de [192.168.6.68]) by mail.m-online.net (Postfix) with ESMTP id 4TM8wr2L49z1qqlS; Fri, 26 Jan 2024 21:50:52 +0100 (CET) X-Virus-Scanned: amavis at mnet-online.de Original-Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.68]) (amavis, port 10024) with ESMTP id LUNJd-ql3Fuh; Fri, 26 Jan 2024 21:50:51 +0100 (CET) X-Auth-Info: NDSZTISf340uN071rG6XuINKt5KdWtes9p8+8E82ZI2qMElnPZJR3tjU1n35DkOw Original-Received: from igel.home (aftr-62-216-202-33.dynamic.mnet-online.de [62.216.202.33]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Fri, 26 Jan 2024 21:50:51 +0100 (CET) Original-Received: by igel.home (Postfix, from userid 1000) id 6300C2C1320; Fri, 26 Jan 2024 21:50:51 +0100 (CET) In-Reply-To: (Alan Mackenzie's message of "Fri, 26 Jan 2024 20:16:46 +0000") X-Yow: Loni Anderson's hair should be LEGALIZED!! Received-SPF: pass client-ip=212.18.0.10; envelope-from=whitebox@nefkom.net; helo=mail-out.m-online.net X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, 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:315437 Archived-At: On Jan 26 2024, Alan Mackenzie wrote: > Is there such a facility for lexical variables, and if so what is it? A lexical variable can never be unbound. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."