From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: member returns list (was: Re: To `boundp' or not to `boundp'?) Date: Thu, 03 Sep 2015 01:23:33 +0200 Message-ID: <87oahkbe2y.fsf@debian.uxu> References: <55E5C99B.3020608@yandex.ru> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1441236249 24260 80.91.229.3 (2 Sep 2015 23:24:09 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 2 Sep 2015 23:24:09 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Thu Sep 03 01:24:00 2015 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 1ZXHNn-0001e6-L0 for geh-help-gnu-emacs@m.gmane.org; Thu, 03 Sep 2015 01:23:59 +0200 Original-Received: from localhost ([::1]:42313 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZXHNk-0005CF-FD for geh-help-gnu-emacs@m.gmane.org; Wed, 02 Sep 2015 19:23:56 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:51533) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZXHNZ-0005C4-H2 for help-gnu-emacs@gnu.org; Wed, 02 Sep 2015 19:23:46 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZXHNU-0001iy-KD for help-gnu-emacs@gnu.org; Wed, 02 Sep 2015 19:23:45 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:42097) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZXHNU-0001is-Ds for help-gnu-emacs@gnu.org; Wed, 02 Sep 2015 19:23:40 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1ZXHNS-0001Up-Kp for help-gnu-emacs@gnu.org; Thu, 03 Sep 2015 01:23:38 +0200 Original-Received: from nl106-137-244.student.uu.se ([130.243.137.244]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 03 Sep 2015 01:23:38 +0200 Original-Received: from embe8573 by nl106-137-244.student.uu.se with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 03 Sep 2015 01:23:38 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Original-Lines: 17 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: nl106-137-244.student.uu.se Mail-Copies-To: never User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) Cancel-Lock: sha1:gnH6AaV3G1IwPdwMcwkK5eMTauQ= 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:107001 Archived-At: Barry Margolin writes: > The basic idea of all these things is that if > a function can easily return something more detailed > and potentially useful than just true/false, it > might as well do so. There's no downside, and > potential upside. I agree, the question was rather what the "potential upside" has been in practice. Usually when you can do one hundred things with something it boils down to two or three things or combinations that are actually used, even by the masters. -- underground experts united http://user.it.uu.se/~embe8573