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: Doing things only in a particular mode Date: Tue, 25 Aug 2015 03:55:43 +0200 Message-ID: <87a8tgdtcw.fsf@debian.uxu> References: <877fok2lyt.fsf@debian.uxu> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1440467308 28039 80.91.229.3 (25 Aug 2015 01:48:28 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 25 Aug 2015 01:48:28 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Tue Aug 25 03:48:19 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 1ZU3LV-0000ls-2j for geh-help-gnu-emacs@m.gmane.org; Tue, 25 Aug 2015 03:48:17 +0200 Original-Received: from localhost ([::1]:57562 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZU3LU-0003ZI-8g for geh-help-gnu-emacs@m.gmane.org; Mon, 24 Aug 2015 21:48:16 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:53488) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZU3LI-0003ZA-Sl for help-gnu-emacs@gnu.org; Mon, 24 Aug 2015 21:48:05 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZU3LF-00050W-Ml for help-gnu-emacs@gnu.org; Mon, 24 Aug 2015 21:48:04 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:35149) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZU3LF-0004z5-FW for help-gnu-emacs@gnu.org; Mon, 24 Aug 2015 21:48:01 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1ZU3LA-0000VH-Gj for help-gnu-emacs@gnu.org; Tue, 25 Aug 2015 03:47:56 +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 ; Tue, 25 Aug 2015 03:47:56 +0200 Original-Received: from embe8573 by nl106-137-244.student.uu.se with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 25 Aug 2015 03:47:56 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Original-Lines: 26 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:WdKFqOVIYQ2zRFMCgOAHSk/X3W0= 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:106826 Archived-At: Emanuel Berg writes: > ;; syntax for `if' with single-form branches > > (if (eq major-mode 'mu4e-headers-mode) (do-something) > (do-something-else) ) > > ;; ditto multiple-form branches > > (if (eq major-mode 'mu4e-headers-mode) > (progn > (do-something-step-1) > (do-something-step-2) ) > (progn > (else-do-this-step-1) > ;; ... > (else-do-this-step-n) )) Maybe "syntax" is stretching it for the last example. Let's say it is one way of doing it, a way that is common and not bad. But actually you can put whatever you want there that makes sense. -- underground experts united http://user.it.uu.se/~embe8573