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: A fast native `mapcan' Date: Sat, 09 Aug 2014 12:43:58 -0400 Message-ID: References: <87ha211w2b.fsf@fx.delysid.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1407602666 9475 80.91.229.3 (9 Aug 2014 16:44:26 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 9 Aug 2014 16:44:26 +0000 (UTC) Cc: emacs-devel@gnu.org To: Mario Lang Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Aug 09 18:44:19 2014 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 1XG9kf-0002G1-KV for ged-emacs-devel@m.gmane.org; Sat, 09 Aug 2014 18:44:17 +0200 Original-Received: from localhost ([::1]:56840 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XG9kf-0005Y8-4j for ged-emacs-devel@m.gmane.org; Sat, 09 Aug 2014 12:44:17 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55020) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XG9kV-0005WJ-UZ for emacs-devel@gnu.org; Sat, 09 Aug 2014 12:44:15 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XG9kO-0003GB-7h for emacs-devel@gnu.org; Sat, 09 Aug 2014 12:44:07 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:52236) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XG9kO-0003Fs-3p for emacs-devel@gnu.org; Sat, 09 Aug 2014 12:44:00 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArUGAIDvNVPAqyKr/2dsb2JhbABZgwaDSsA9gRcXdIImAQEEViMQCw4mEhQYDSSIDNIZF456B4Q4BKsDg0wh X-IPAS-Result: ArUGAIDvNVPAqyKr/2dsb2JhbABZgwaDSsA9gRcXdIImAQEEViMQCw4mEhQYDSSIDNIZF456B4Q4BKsDg0wh X-IronPort-AV: E=Sophos;i="4.97,753,1389762000"; d="scan'208";a="82894647" Original-Received: from 192-171-34-171.cpe.pppoe.ca (HELO pastel.home) ([192.171.34.171]) by ironport2-out.teksavvy.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 09 Aug 2014 12:43:59 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id 0280161782; Sat, 9 Aug 2014 12:43:58 -0400 (EDT) In-Reply-To: <87ha211w2b.fsf@fx.delysid.org> (Mario Lang's message of "Mon, 28 Jul 2014 14:56:12 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 206.248.154.181 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:173511 Archived-At: I dislike the side-effecting nature of mapcan (IOW its use of nconc i.s.o append), but I don't have a strong opinion on your patch. Stefan