From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jean Louis Newsgroups: gmane.emacs.help Subject: Re: Is there equivalent internal function for this list-has-elements? Date: Mon, 19 Oct 2020 21:08:23 +0300 Message-ID: <20201019180823.GM19325@protected.rcdrun.com> References: <20201018205850.GA13219@tuxteam.de> <87k0vnw7r2.fsf@fastmail.fm> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="9146"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/1.10.1 (2018-07-13) Cc: help-gnu-emacs@gnu.org To: Joost Kremers Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Mon Oct 19 20:08:58 2020 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 1kUZab-0002Ek-Cu for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 19 Oct 2020 20:08:57 +0200 Original-Received: from localhost ([::1]:50056 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kUZaa-0006j5-CX for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 19 Oct 2020 14:08:56 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:57540) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kUZaC-0006iw-Bv for help-gnu-emacs@gnu.org; Mon, 19 Oct 2020 14:08:32 -0400 Original-Received: from static.rcdrun.com ([95.85.24.50]:42051) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kUZaA-0001q8-G9 for help-gnu-emacs@gnu.org; Mon, 19 Oct 2020 14:08:32 -0400 Original-Received: from localhost ([::ffff:41.202.241.51]) (AUTH: PLAIN admin, TLS: TLS1.2,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by static.rcdrun.com with ESMTPSA id 00000000002A0C8F.000000005F8DD61B.00000EB7; Mon, 19 Oct 2020 18:08:27 +0000 Content-Disposition: inline In-Reply-To: <87k0vnw7r2.fsf@fastmail.fm> Received-SPF: pass client-ip=95.85.24.50; envelope-from=bugs@gnu.support; helo=static.rcdrun.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/19 12:25:27 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] 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, 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: 2.1.23 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:124586 Archived-At: * Joost Kremers [2020-10-19 00:22]: > > On Sun, Oct 18 2020, tomas@tuxteam.de wrote: > > If I understand this one correctly, it can be expressed as: > > > > (seq-filter > > (lambda (elt) (string-match needle elt)) > > haystack) > > Small nit-pick, but it's generally better to use `string-match-p` if you're just > testing whether a string matches a regexp. `string-match` modifies the match > data, `string-match-p` doesn't. Thanks.