From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: seq-some-p and nil Date: Tue, 08 Sep 2015 13:50:42 -0400 Message-ID: References: <878u8k2vnp.fsf@udel.edu> <878u8i69ok.fsf@petton.fr> <674102d7-0e97-478a-af05-ca6d82c17c28@default> <87mvwym01x.fsf@petton.fr> <87h9n5mloa.fsf@petton.fr> <87zj0xkpx0.fsf@petton.fr> <20150908133729.GA20184@holos> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1441734693 8425 80.91.229.3 (8 Sep 2015 17:51:33 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 8 Sep 2015 17:51:33 +0000 (UTC) Cc: Nicolas Petton , Drew Adams , emacs-devel@gnu.org To: Mark Oteiza Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Sep 08 19:51:21 2015 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ZZN37-0004xZ-Li for ged-emacs-devel@m.gmane.org; Tue, 08 Sep 2015 19:51:17 +0200 Original-Received: from localhost ([::1]:36253 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZZN36-0000wW-US for ged-emacs-devel@m.gmane.org; Tue, 08 Sep 2015 13:51:16 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:42518) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZZN33-0000wB-14 for emacs-devel@gnu.org; Tue, 08 Sep 2015 13:51:13 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZZN2z-0002zz-FG for emacs-devel@gnu.org; Tue, 08 Sep 2015 13:51:12 -0400 Original-Received: from mercure.iro.umontreal.ca ([132.204.24.67]:41502) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZZN2z-0002xF-AL for emacs-devel@gnu.org; Tue, 08 Sep 2015 13:51:09 -0400 Original-Received: from hidalgo.iro.umontreal.ca (hidalgo.iro.umontreal.ca [132.204.27.50]) by mercure.iro.umontreal.ca (Postfix) with ESMTP id 16CD024233; Tue, 8 Sep 2015 13:51:07 -0400 (EDT) Original-Received: from lechon.iro.umontreal.ca (lechon.iro.umontreal.ca [132.204.27.242]) by hidalgo.iro.umontreal.ca (Postfix) with ESMTP id 32D221E5874; Tue, 8 Sep 2015 13:50:42 -0400 (EDT) Original-Received: by lechon.iro.umontreal.ca (Postfix, from userid 20848) id 17EBEB407B; Tue, 8 Sep 2015 13:50:42 -0400 (EDT) In-Reply-To: <20150908133729.GA20184@holos> (Mark Oteiza's message of "Tue, 8 Sep 2015 09:37:29 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) X-DIRO-MailScanner-Information: Please contact the ISP for more information X-DIRO-MailScanner: Found to be clean X-DIRO-MailScanner-SpamCheck: n'est pas un polluriel, SpamAssassin (score=-2.82, requis 5, autolearn=not spam, ALL_TRUSTED -2.82, MC_TSTLAST 0.00) X-DIRO-MailScanner-From: monnier@iro.umontreal.ca X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 132.204.24.67 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:189728 Archived-At: > (defun seq-some (pred seq) > (funcall pred (seq-find (pred seq))) But that fails for the case where the element found is nil. Stefan