From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Nicolas Petton Newsgroups: gmane.emacs.devel Subject: Re: [Request] seq-map and mapcar with arbitrary number of sequences Date: Sun, 11 Oct 2015 22:36:17 +0200 Message-ID: <87zizpnnwe.fsf@petton.fr> References: <87si5ifvvk.fsf@fencepost.gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" X-Trace: ger.gmane.org 1444595816 2608 80.91.229.3 (11 Oct 2015 20:36:56 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 11 Oct 2015 20:36:56 +0000 (UTC) To: John Wiegley , emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Oct 11 22:36:46 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 1ZlNML-0002Yo-S7 for ged-emacs-devel@m.gmane.org; Sun, 11 Oct 2015 22:36:46 +0200 Original-Received: from localhost ([::1]:49673 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZlNML-0002Ou-Ar for ged-emacs-devel@m.gmane.org; Sun, 11 Oct 2015 16:36:45 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47001) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZlNM3-0002Mh-7U for emacs-devel@gnu.org; Sun, 11 Oct 2015 16:36:28 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZlNLy-000657-9b for emacs-devel@gnu.org; Sun, 11 Oct 2015 16:36:27 -0400 Original-Received: from out5-smtp.messagingengine.com ([66.111.4.29]:50613) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZlNLy-000648-3h for emacs-devel@gnu.org; Sun, 11 Oct 2015 16:36:22 -0400 Original-Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id 9BCDC20606 for ; Sun, 11 Oct 2015 16:36:20 -0400 (EDT) Original-Received: from frontend1 ([10.202.2.160]) by compute4.internal (MEProxy); Sun, 11 Oct 2015 16:36:20 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-sasl-enc :x-sasl-enc; s=smtpout; bh=2p3aUyQZ82ni4dMWDPd02vn+4S8=; b=Bz0xv 5azl+WpzQfv6+FXLQ7ErMpMsCcF1AU75Dc5MG1YRacJS9z/GO2mJTbmBBTJqMvoP 02+dFZP8I1i+jnYYmrd+2DFW4EiGGYk6h1FpcaAMB5sGIwDK8ZyWQgLZZhcC1RmB +Mk/kRR43VgJxAw2MrQ8WW6wIWVtUfpnIP1b/E= X-Sasl-enc: DfZYTp5+v1ZesEv/42p7GeXG0pdPRAi8pLShfGM7JzGG 1444595780 Original-Received: from blueberry (arennes-658-1-227-233.w92-139.abo.wanadoo.fr [92.139.240.233]) by mail.messagingengine.com (Postfix) with ESMTPA id 1105AC00021; Sun, 11 Oct 2015 16:36:19 -0400 (EDT) In-Reply-To: User-Agent: Notmuch/0.19 (http://notmuchmail.org) Emacs/25.0.50.6 (x86_64-unknown-linux-gnu) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 66.111.4.29 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:191267 Archived-At: --=-=-= Content-Type: text/plain John Wiegley writes: > The main reason I'd like it to be zero cost is that, once the change is made, > there will be zero users of it. All existing code uses a single list, and it > will be some time before authors feel confident enough in breaking backwards > compatibility to start using multiple lists. `seq-map' could maybe have that feature though, without impacting `mapcar'. Nico --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: GPGTools - http://gpgtools.org iQEcBAEBCAAGBQJWGshBAAoJECM1h6R8IHkQjxcIAND3iFIEY7c133f90C4DLstJ Vzo1PwJ9ubD8ZqZrY4yfmaG9+hlZs4/FuCqxAC8SBau01SH6WoQkAyV9ingSJmUE YhvHsys+OuubF7uoK/DjFQDSoET24nVysL5pAAeXsW9f5L+18LDNCw4aa7ENMbML HoNdKbyMqnTXbethWZ4oeZv14UPW0Qhigrpud/OpTKdjSMTTLjAb/gcrMYVyPd8U t7nKGtgjRVY1RKRCYyMHnLLlParLWJlEh8sj5UQGrShvDCZTyUobK0fdkZWNFH/H 1xCAl2OjqdGPSCY+HcUEyng+XbQ6+mS1WNnxi8dML88xyIC3iAlMRA6054muGrA= =JhOT -----END PGP SIGNATURE----- --=-=-=--