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 tame compiler? Date: Sat, 01 May 2021 00:06:30 +0200 Message-ID: <87eeerh1g9.fsf@zoho.eu> References: <874kfn292f.fsf@disroot.org> 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="14971"; 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: sha1:38/tFk994+3kHLquYoO/kHFiovo= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sat May 01 00:07:17 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 1lcbI4-0003mO-8F for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 01 May 2021 00:07:16 +0200 Original-Received: from localhost ([::1]:38934 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lcbI3-0003lK-BN for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 30 Apr 2021 18:07:15 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47934) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lcbHU-0003kr-HW for help-gnu-emacs@gnu.org; Fri, 30 Apr 2021 18:06:40 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:49820) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lcbHS-0003o1-Ot for help-gnu-emacs@gnu.org; Fri, 30 Apr 2021 18:06:40 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1lcbHQ-00032I-9G for help-gnu-emacs@gnu.org; Sat, 01 May 2021 00:06:36 +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:129230 Archived-At: Jorge P. de Morais Neto wrote: >>> Is there a way to avoid these warnings? >> >> Yes: don't abuse `eval` ;-) Stefan Monnier who wrote that last part, or anyone else for that matter, what is the rule of thumb when to and when not to use `eval'? Maybe something for the docstring? I have used eval 2 times in all my Elisp. If we apply the rule of thumb, what will that tell me, is that abuse or not? For the record I don't get any warnings from either. (defun wrap-search-again (&optional new-options) "Repeat the previous `wrap-search' with NEW-OPTIONS. NEW-OPTIONS can be supplied with \\[universal-argument]. Otherwise options from the previous search are used." (interactive "p") (let ((cmd (cl-find-if (lambda (c) (and (eq (car c) #'wrap-search) (not (string= (cl-caddr c) "")) )) command-history) )) (if cmd (if (= new-options 1) (eval cmd) (let*((search-str (cl-caddr cmd)) (final-cmd (list #'wrap-search new-options search-str)) ) (setq command-history (cons final-cmd command-history)) (apply final-cmd) )) (message "no previous search") ))) (defun do-repeat-complex-command () (interactive) (eval (car command-history) )) full source: https://dataswamp.org/~incal/emacs-init/ide/lisp-incal.el https://dataswamp.org/~incal/emacs-init/wrap-search.el -- underground experts united https://dataswamp.org/~incal