From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Ted Zlatanov Newsgroups: gmane.emacs.devel Subject: Re: Would seq-range and seq-mapcat be useful? Date: Wed, 04 Feb 2015 07:02:35 -0500 Organization: =?utf-8?B?0KLQtdC+0LTQvtGAINCX0LvQsNGC0LDQvdC+0LI=?= @ Cienfuegos Message-ID: <87oap9yjdw.fsf@lifelogs.com> References: <878uglwmra.fsf@petton.fr> <874mr9w8at.fsf@petton.fr> Reply-To: emacs-devel@gnu.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1423051370 29095 80.91.229.3 (4 Feb 2015 12:02:50 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 4 Feb 2015 12:02:50 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Feb 04 13:02:50 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 1YIyfS-0000rb-Ao for ged-emacs-devel@m.gmane.org; Wed, 04 Feb 2015 13:02:50 +0100 Original-Received: from localhost ([::1]:35785 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YIyfR-0002pQ-Qf for ged-emacs-devel@m.gmane.org; Wed, 04 Feb 2015 07:02:49 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:36989) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YIyfO-0002oN-AB for emacs-devel@gnu.org; Wed, 04 Feb 2015 07:02:47 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YIyfJ-0006ur-V7 for emacs-devel@gnu.org; Wed, 04 Feb 2015 07:02:46 -0500 Original-Received: from plane.gmane.org ([80.91.229.3]:35559) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YIyfJ-0006tm-Os for emacs-devel@gnu.org; Wed, 04 Feb 2015 07:02:41 -0500 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1YIyfH-0000ku-2b for emacs-devel@gnu.org; Wed, 04 Feb 2015 13:02:39 +0100 Original-Received: from c-98-229-61-72.hsd1.ma.comcast.net ([98.229.61.72]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 04 Feb 2015 13:02:39 +0100 Original-Received: from tzz by c-98-229-61-72.hsd1.ma.comcast.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 04 Feb 2015 13:02:39 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: emacs-devel@gnu.org Original-Lines: 20 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: c-98-229-61-72.hsd1.ma.comcast.net X-Face: bd.DQ~'29fIs`T_%O%C\g%6jW)yi[zuz6; d4V0`@y-~$#3P_Ng{@m+e4o<4P'#(_GJQ%TT= D}[Ep*b!\e,fBZ'j_+#"Ps?s2!4H2-Y"sx" Mail-Copies-To: never User-Agent: Gnus/5.130012 (Ma Gnus v0.12) Emacs/25.0.50 (gnu/linux) Cancel-Lock: sha1:+DO5f+KynKLrUJSn3t/dc63wOI0= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 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:182367 Archived-At: On Thu, 29 Jan 2015 23:06:50 +0100 Nicolas Petton wrote: NP> Stefan Monnier writes: >> I have no idea what those names are supposed to evoke. Can you tell us >> what they'd do? NP> Sure, `seq-range' would be a convenient way to create a sequence of NP> numbers. A simple implementation could be: NP> (defun seq-range (start end) NP> (let ((lst nil)) NP> (while (< start end) NP> (push end lst) NP> (setq end (1- end))) NP> lst)) Take a look at rtree.el as well for range trees. Ted