From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Tomas Hlavaty Newsgroups: gmane.emacs.help Subject: Re: Advantage using mapc over dolist Date: Tue, 03 Dec 2024 21:35:28 +0100 Message-ID: <87jzcg4i9b.fsf@neko.mail-host-address-is-not-set> References: <87zflevbwm.fsf@neko.mail-host-address-is-not-set> <87h67ku813.fsf@neko.mail-host-address-is-not-set> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="6169"; mail-complaints-to="usenet@ciao.gmane.io" Cc: help-gnu-emacs@gnu.org To: Stefan Monnier Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue Dec 03 21:36:27 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 1tIZd9-0001MA-2v for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 03 Dec 2024 21:36:23 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tIZcO-0000GG-ON; Tue, 03 Dec 2024 15:35:36 -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 1tIZcL-0000FZ-JS for help-gnu-emacs@gnu.org; Tue, 03 Dec 2024 15:35:33 -0500 Original-Received: from logand.com ([37.48.87.44]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tIZcJ-0002kA-SM for help-gnu-emacs@gnu.org; Tue, 03 Dec 2024 15:35:33 -0500 Original-Received: by logand.com (Postfix, from userid 1001) id 5A2061A036A; Tue, 3 Dec 2024 21:35:30 +0100 (CET) X-Mailer: emacs 29.4 (via feedmail 11-beta-1 I) In-Reply-To: Received-SPF: pass client-ip=37.48.87.44; envelope-from=tom@logand.com; helo=logand.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_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:148571 Archived-At: On Tue 03 Dec 2024 at 11:47, Stefan Monnier wrote: > Richard was strongly opposed to the use of the CL package because of its > "stepping" all over the ELisp namespace. For years, this manifested > itself in the fact that use of CL within Emacs's own code was generally > shunned and tolerated only with (eval-when-compile (require 'cl)), > meaning that you could use CL only when it could be compiled away during > byte-compilation (by macro-expansion and/or inlining). So you could use > `ecase` but not `some`. How did you decide what should be renamed to cl-*? Don't you think you overdone it, that too much was renamed? Why was IF not renamed to cl-if? Why do you think CASE is CL? > While some people were happy because they consider that ELisp is better > off without those Common Lisp constructs How do you feel about code like this? (defun tempo-is-user-element (element) "Try all the user-defined element handlers in `tempo-user-elements'." ;; Sigh... I need (some list) (catch 'found (mapc (lambda (handler) (let ((result (funcall handler element))) (if result (throw 'found result)))) tempo-user-elements) (throw 'found nil))) Do you think duplicating SOME this way is better than embracing SOME? > Note that if you really really hate using these extra three letters, you > can still (require 'cl). It's deprecated and may be removed from Emacs in > some future release, but it's a very simple library so you can keep your > own copy (and we may even put it up on GNU ELPA anyway). In my code I just require cl-lib and add the cl- prefix where needed and live with that. But here we are discussing Emacs code, the way it is evolving and the future problems it will bring.