From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#18837: 25.0.50; `sort` -- modify function to preserve original list. Date: Sat, 25 Oct 2014 22:44:45 -0400 Message-ID: References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1414291536 24109 80.91.229.3 (26 Oct 2014 02:45:36 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 26 Oct 2014 02:45:36 +0000 (UTC) Cc: 18837@debbugs.gnu.org To: Keith David Bershatsky Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Oct 26 03:45:30 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1XiDpg-00044j-Mx for geb-bug-gnu-emacs@m.gmane.org; Sun, 26 Oct 2014 03:45:28 +0100 Original-Received: from localhost ([::1]:55170 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XiDpg-0002G3-CW for geb-bug-gnu-emacs@m.gmane.org; Sat, 25 Oct 2014 22:45:28 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:49624) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XiDpU-0002Fy-Es for bug-gnu-emacs@gnu.org; Sat, 25 Oct 2014 22:45:23 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XiDpH-0003iD-33 for bug-gnu-emacs@gnu.org; Sat, 25 Oct 2014 22:45:16 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:43519) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XiDpH-0003i3-0Z for bug-gnu-emacs@gnu.org; Sat, 25 Oct 2014 22:45:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1XiDpF-000289-Of for bug-gnu-emacs@gnu.org; Sat, 25 Oct 2014 22:45:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 26 Oct 2014 02:45:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 18837 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 18837-submit@debbugs.gnu.org id=B18837.14142914938164 (code B ref 18837); Sun, 26 Oct 2014 02:45:01 +0000 Original-Received: (at 18837) by debbugs.gnu.org; 26 Oct 2014 02:44:53 +0000 Original-Received: from localhost ([127.0.0.1]:35617 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XiDp6-00027b-SK for submit@debbugs.gnu.org; Sat, 25 Oct 2014 22:44:53 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:48674) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XiDp5-00027O-Ax for 18837@debbugs.gnu.org; Sat, 25 Oct 2014 22:44:51 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArYGAIDvNVNFpY87/2dsb2JhbABZgwaDSr0vgw6BFxd0giUBAQEBAgFWIwULCzQSFBgNJIgECNIZF456B4Q4BKkZgWqDTCE X-IPAS-Result: ArYGAIDvNVNFpY87/2dsb2JhbABZgwaDSr0vgw6BFxd0giUBAQEBAgFWIwULCzQSFBgNJIgECNIZF456B4Q4BKkZgWqDTCE X-IronPort-AV: E=Sophos;i="4.97,753,1389762000"; d="scan'208";a="95209468" Original-Received: from 69-165-143-59.dsl.teksavvy.com (HELO pastel.home) ([69.165.143.59]) by ironport2-out.teksavvy.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 25 Oct 2014 22:44:45 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id 9FE713292; Sat, 25 Oct 2014 22:44:45 -0400 (EDT) In-Reply-To: (Keith David Bershatsky's message of "Sat, 25 Oct 2014 14:03:25 -0700") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:95092 > The doc-string for the function `sort` states that `SEQ is modified by > side effects`; however, it does not state in what way the original > list gets modified or why such a feature might somehow be useful. The "usefulness" is to avoid allocating another list in the case where the unsorted list won't be used later on anyway. Stefan