From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Heime Newsgroups: gmane.emacs.help Subject: Alist remaining empty Date: Fri, 27 Sep 2024 22:50:21 +0000 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="13028"; mail-complaints-to="usenet@ciao.gmane.io" To: Heime via Users list for the GNU Emacs text editor Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sat Sep 28 00:51:12 2024 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 1suJns-00036d-7T for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 28 Sep 2024 00:51:12 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1suJnF-0001hu-VX; Fri, 27 Sep 2024 18:50:33 -0400 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 1suJnE-0001hZ-8t for help-gnu-emacs@gnu.org; Fri, 27 Sep 2024 18:50:32 -0400 Original-Received: from mail-40135.protonmail.ch ([185.70.40.135]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1suJnC-0003Ro-EH for help-gnu-emacs@gnu.org; Fri, 27 Sep 2024 18:50:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail3; t=1727477425; x=1727736625; bh=6wwmiVRCqizaQBbhQPtRtoY8phYLbRb8V2cMltdyHVw=; h=Date:To:From:Subject:Message-ID:Feedback-ID:From:To:Cc:Date: Subject:Reply-To:Feedback-ID:Message-ID:BIMI-Selector; b=lav5eWyEQEZQAtaE/9Fpxt/Xrc+y5jI9zrT/DjOW6G/DaJbZbu9Md/oBmDKduhEGY w9GmLlvP6iWjiK9RN/d60fpCZqfiJ6JTD/H8dbwhWxl1cPBSeuLTavq4oNwdJbT3Os eJNW16YQFhFcLluwwRMwTphZXp3nKKBWo3FXxjTg1oiYmCLG8eUmci6R2TkiN7QOIR FOAKW5tZDP/arzMwKG/QFo3HeI6i3CTp5npF6TKtUr7QdIzlEokp5HrOo1JzTQLmqj YTWHKr0kIRs5GJT4S16stRKnfwLKeKpDN7JYevZIqPqAnH/HAIvPXWm8i02ZxLkF5o 5d9M1WcK38suw== Feedback-ID: 57735886:user:proton X-Pm-Message-ID: a66f02c38edb1853d05ca0331ee687877b55ee81 Received-SPF: pass client-ip=185.70.40.135; envelope-from=heimeborgia@protonmail.com; helo=mail-40135.protonmail.ch X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 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-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:148080 Archived-At: I have alist variable warn-alist, which I set to nil. I am supposed to push some alist examples if the values have not been added yet. But I find that with the following function, the warn-alist remains empty. (defun warn-test () (interactive) (setq warn-alist nil) (let ( (qwpanel warn-alist) ;; Init flag to track if values have been added (already-added nil) ) ;; If the alist is empty, add the cons data (unless qwpanel (setq already-added t)) (unless already-added (push (cons 'ques-string "Warning Message") qwpanel) (push (cons 'ques-number 42) qwpanel) (push (cons 'ques-symbol 'example-symbol) qwpanel) (push (cons 'ques-list '(1 2 3)) qwpanel) (push (cons 'ques-boolean t) qwpanel) (push (cons 'ques-nil nil) qwpanel) (push (cons 'ques-cons (cons 'nested "cell")) qwpanel) (push (cons 'ques-function #'print) qwpanel)) ))