From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: How to create a higher order function? Date: Tue, 21 Sep 2021 07:06:31 +0200 Message-ID: <87fsty8qlk.fsf@zoho.eu> References: <87k0jawotx.fsf@mbork.pl> Reply-To: Emanuel Berg Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="10252"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:unrcPP3SGUqSSOc4/BZOyR6Gjgk= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue Sep 21 07:07:15 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 1mSXzu-0002Uh-Qg for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 21 Sep 2021 07:07:14 +0200 Original-Received: from localhost ([::1]:46426 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mSXzt-0001ej-HW for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 21 Sep 2021 01:07:13 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:34616) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mSXzR-0001eU-8D for help-gnu-emacs@gnu.org; Tue, 21 Sep 2021 01:06:45 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:57270) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mSXzN-0005lB-R6 for help-gnu-emacs@gnu.org; Tue, 21 Sep 2021 01:06:45 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1mSXzL-0001pq-S1 for help-gnu-emacs@gnu.org; Tue, 21 Sep 2021 07:06:39 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=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:133121 Archived-At: Or `cl-gensym' and `funcall' as in ... (require 'cl-lib) (defun add-one-shot-hook (hook fun) (let ((name (cl-gensym))) (setf (symbol-function name) (lambda (&rest _) (remove-hook hook name) (funcall fun) )) (add-hook hook name) )) Looks like something from Pascal J. B. - maybe he wrote it ... -- underground experts united https://dataswamp.org/~incal