From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jean Louis Newsgroups: gmane.emacs.help Subject: Re: [External] : Why I cannot use this variable in macro call from function? Date: Tue, 8 Jun 2021 17:47:11 +0300 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="19840"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/2.0.7+183 (3d24855) (2021-05-28) Cc: Help GNU Emacs To: Drew Adams Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue Jun 08 17:01:46 2021 Return-path: Envelope-to: geh-help-gnu-emacs@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 1lqdEf-0004sI-J1 for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 08 Jun 2021 17:01:45 +0200 Original-Received: from localhost ([::1]:60200 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lqdEe-0003C2-Ad for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 08 Jun 2021 11:01:44 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:43484) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lqdEB-0003Ao-AY for help-gnu-emacs@gnu.org; Tue, 08 Jun 2021 11:01:16 -0400 Original-Received: from stw1.rcdrun.com ([217.170.207.13]:58345) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lqdE9-0006mE-FH for help-gnu-emacs@gnu.org; Tue, 08 Jun 2021 11:01:14 -0400 Original-Received: from localhost ([::ffff:197.157.0.23]) (AUTH: PLAIN admin, TLS: TLS1.3,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 00000000000AE2EE.0000000060BF8636.00006CD5; Tue, 08 Jun 2021 08:01:09 -0700 Mail-Followup-To: Drew Adams , Help GNU Emacs Content-Disposition: inline In-Reply-To: Received-SPF: pass client-ip=217.170.207.13; envelope-from=bugs@gnu.support; helo=stw1.rcdrun.com X-Spam_score_int: -3 X-Spam_score: -0.4 X-Spam_bar: / X-Spam_report: (-0.4 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_SORBS_WEB=1.5, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:130626 Archived-At: * Drew Adams [2021-06-08 16:42]: > > (defmacro rcd-db-completing-table-history (table) > > (let ((variable > > (intern > > (concat "rcd-db-completing-table-history-" > > table)))) > > > (defun my-fun-123 () > > (let ((var "new")) > > (rcd-db-completing-table-history var))) > > > > (my-fun-123) > > > > Debugger entered--Lisp error: (wrong-type-argument sequencep var) > > concat("rcd-db-completing-table-history-" var) > > You are passing the symbol `var' as the arg > to your macro. Macros don't automatically > evaluate their args. What you are expecting > is presumably to pass the _value_ of symbol > `var', i.e., treat the symbol as a variable > and pass its value. I hoped I will solve it with the function `symbol-value', but this does not work: (let ((var "new-table")) (rcd-db-completing-table-history (symbol-value var))) How do you mean? -- Jean Take action in Free Software Foundation campaigns: https://www.fsf.org/campaigns In support of Richard M. Stallman https://stallmansupport.org/