From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.help Subject: Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp? Date: Tue, 24 Jun 2014 23:22:15 -0400 Message-ID: References: <87d2e78nn7.fsf@gmail.com> <87bntr8jtc.fsf@gmail.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1403666584 15758 80.91.229.3 (25 Jun 2014 03:23:04 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 25 Jun 2014 03:23:04 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Wed Jun 25 05:22:58 2014 Return-path: Envelope-to: geh-help-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 1WzdnV-00086a-1d for geh-help-gnu-emacs@m.gmane.org; Wed, 25 Jun 2014 05:22:57 +0200 Original-Received: from localhost ([::1]:34866 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WzdnU-00062r-KQ for geh-help-gnu-emacs@m.gmane.org; Tue, 24 Jun 2014 23:22:56 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50166) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WzdnC-00061l-RR for help-gnu-emacs@gnu.org; Tue, 24 Jun 2014 23:22:46 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Wzdn5-0000AN-5E for help-gnu-emacs@gnu.org; Tue, 24 Jun 2014 23:22:38 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:57577) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wzdn4-00009O-Ub for help-gnu-emacs@gnu.org; Tue, 24 Jun 2014 23:22:31 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1Wzdn3-0007qz-FY for help-gnu-emacs@gnu.org; Wed, 25 Jun 2014 05:22:29 +0200 Original-Received: from 75-119-224-253.dsl.teksavvy.com ([75.119.224.253]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 25 Jun 2014 05:22:29 +0200 Original-Received: from monnier by 75-119-224-253.dsl.teksavvy.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 25 Jun 2014 05:22:29 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 11 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 75-119-224-253.dsl.teksavvy.com User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) Cancel-Lock: sha1:aeN96IqBWLJ5CII9CbkUmF0MaqE= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:98386 Archived-At: > I don't mind if a very complex and heavyweight function takes keyword > arguments. What bothers me is making simple basic functions such as > "member" use them. Agreed. They also work OK for macros since those are not supposed to be executed at run-time. Keyword arguments are particularly problematic in Elisp where the language implementations are all fairly simplistic with very limited optimizations. Stefan