From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: cl-loop and collect (was: Re: A more specific/targeted version of macroexpand-all?) Date: Thu, 09 Jun 2022 03:40:32 +0200 Message-ID: <87o7z2zka7.fsf@dataswamp.org> References: <2515e8cf-c3cd-2322-2acd-f7e8144b95c2@protonmail.com> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="22460"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:qZ5NVT2QNTwH/ghZ4vTNCEHswCI= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Jun 09 03:45:57 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 1nz7FF-0005dA-F7 for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 09 Jun 2022 03:45:57 +0200 Original-Received: from localhost ([::1]:37920 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nz7FD-0003NF-Mw for geh-help-gnu-emacs@m.gmane-mx.org; Wed, 08 Jun 2022 21:45:55 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:37420) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nz7EP-0003Mz-0K for help-gnu-emacs@gnu.org; Wed, 08 Jun 2022 21:45:05 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:43512) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nz7EN-0000gE-54 for help-gnu-emacs@gnu.org; Wed, 08 Jun 2022 21:45:04 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1nz7EL-0004XI-Qe for help-gnu-emacs@gnu.org; Thu, 09 Jun 2022 03:45:01 +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: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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" Xref: news.gmane.io gmane.emacs.help:137536 Archived-At: Okamsn wrote: > (cl-loop for i being the symbols > when (eq 'macro (car-safe (symbol-function i))) > collect i) ;;; -*- lexical-binding: t -*- ;; ;; this file: ;; https://dataswamp.org/~incal/emacs-init/negative-subtraction.el (require 'cl-lib) (defun number-to-list (n) (cl-loop for d across (prin1-to-string n) collect (cl-digit-char-p d) )) ;; (number-to-list 1234) ; (1 2 3 4) (defun negative-subtract (a b) (let*((a-nums (number-to-list a)) (b-nums (number-to-list b)) ) (cl-loop for i in a-nums for j in b-nums collect (- i j) ))) ;; (negative-subtract 8888 7777) ; (1 1 1 1) -- underground experts united https://dataswamp.org/~incal