From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: David Kastrup Newsgroups: gmane.emacs.devel Subject: Re: Why aren't there functions such as filter, take-while, etc. "by default"? Date: Sun, 25 Apr 2010 18:24:29 +0200 Organization: Organization?!? Message-ID: <87fx2j5wle.fsf@lola.goethe.zz> References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1272212716 17579 80.91.229.12 (25 Apr 2010 16:25:16 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sun, 25 Apr 2010 16:25:16 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Apr 25 18:25:15 2010 connect(): No such file or directory Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1O64dt-0002rv-TQ for ged-emacs-devel@m.gmane.org; Sun, 25 Apr 2010 18:25:14 +0200 Original-Received: from localhost ([127.0.0.1]:37714 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1O64dt-0008AP-Ad for ged-emacs-devel@m.gmane.org; Sun, 25 Apr 2010 12:25:13 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1O64dn-00089A-D3 for emacs-devel@gnu.org; Sun, 25 Apr 2010 12:25:07 -0400 Original-Received: from [140.186.70.92] (port=51830 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1O64dm-00088S-8G for emacs-devel@gnu.org; Sun, 25 Apr 2010 12:25:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1O64dk-0006d5-31 for emacs-devel@gnu.org; Sun, 25 Apr 2010 12:25:06 -0400 Original-Received: from lo.gmane.org ([80.91.229.12]:54562) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1O64dj-0006cy-TS for emacs-devel@gnu.org; Sun, 25 Apr 2010 12:25:04 -0400 Original-Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1O64dj-0002lO-8J for emacs-devel@gnu.org; Sun, 25 Apr 2010 18:25:03 +0200 Original-Received: from p5b2c3958.dip.t-dialin.net ([91.44.57.88]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 25 Apr 2010 18:25:03 +0200 Original-Received: from dak by p5b2c3958.dip.t-dialin.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 25 Apr 2010 18:25:03 +0200 X-Injected-Via-Gmane: http://gmane.org/ connect(): No such file or directory Original-Lines: 13 Original-X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: p5b2c3958.dip.t-dialin.net X-Face: 2FEFf>]>q>2iw=B6, xrUubRI>pR&Ml9=ao@P@i)L:\urd*t9M~y1^:+Y]'C0~{mAl`oQuAl \!3KEIp?*w`|bL5qr,H)LFO6Q=qx~iH4DN; i"; /yuIsqbLLCh/!U#X[S~(5eZ41to5f%E@'ELIi$t^ Vc\LWP@J5p^rst0+('>Er0=^1{]M9!p?&:\z]|;&=NP3AhB!B_bi^]Pfkw User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1.92 (gnu/linux) Cancel-Lock: sha1:aL6yvN3HVb5UtJuo5CAnhlZHJHE= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:124195 Archived-At: Deniz Dogan writes: > Why does it have to be so hard to write Emacs Lisp without requiring cl? > > Why aren't there functions such as filter (the equivalent of > remove-if-not in cl-seq.el), take-while, reduce etc. "native" in > Emacs? They make for no-surprise efficient programs primarily when the language has lexical closures. -- David Kastrup