From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: cl-loop - do you understand it well? Date: Thu, 15 Dec 2022 19:25:59 -0500 Message-ID: References: <87zgbwyp46.fsf@dataswamp.org> <87k02zkrzw.fsf@web.de> <87wn6zhyna.fsf@disroot.org> <877cyzyogm.fsf@web.de> <87r0x6iisg.fsf@disroot.org> <87bko9o0tm.fsf@web.de> <87tu1xr182.fsf@dataswamp.org> Reply-To: Stefan Monnier Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="27578"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:ZLMurskL3W90LOMGaflqn4SKTPE= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri Dec 16 01:26:54 2022 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 1p5yYw-0006ym-AK for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 16 Dec 2022 01:26:54 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p5yYH-0001eV-DM; Thu, 15 Dec 2022 19:26:13 -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 1p5yYF-0001dj-U2 for help-gnu-emacs@gnu.org; Thu, 15 Dec 2022 19:26:11 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p5yYA-0000D6-UG for help-gnu-emacs@gnu.org; Thu, 15 Dec 2022 19:26:11 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1p5yY8-0005ws-Gk for help-gnu-emacs@gnu.org; Fri, 16 Dec 2022 01:26:04 +0100 X-Injected-Via-Gmane: http://gmane.org/ 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: 2.1.29 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:141788 Archived-At: > Jokes that I don't understand aside, why does this return 4? > > (require 'cl-lib) > > (cl-loop > for i from 0 to 1 > collect (lambda () i) into funs > finally return (apply #'+ (mapcar #'funcall funs)) ) That's because you chose "0 to 1". To get the *real* answer, you need to do "1 to 6", of course. Stefan