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: Possible to conditionally bind variable? Date: Thu, 11 Sep 2014 08:34:33 -0400 Message-ID: References: <87lhpq8l8y.fsf@gmail.com> <87oaum5oql.fsf@geodiff-mac3.ulb.ac.be> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1410438930 15525 80.91.229.3 (11 Sep 2014 12:35:30 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 11 Sep 2014 12:35:30 +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 11 14:35:22 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 1XS3ao-0006PR-6w for geh-help-gnu-emacs@m.gmane.org; Thu, 11 Sep 2014 14:35:18 +0200 Original-Received: from localhost ([::1]:37477 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XS3am-0000ij-NM for geh-help-gnu-emacs@m.gmane.org; Thu, 11 Sep 2014 08:35:16 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:36181) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XS3aU-0000dk-Cc for help-gnu-emacs@gnu.org; Thu, 11 Sep 2014 08:35:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XS3aL-0007Yy-Ss for help-gnu-emacs@gnu.org; Thu, 11 Sep 2014 08:34:58 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:50960) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XS3aL-0007Ys-MX for help-gnu-emacs@gnu.org; Thu, 11 Sep 2014 08:34:49 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1XS3aI-00065N-Ni for help-gnu-emacs@gnu.org; Thu, 11 Sep 2014 14:34:46 +0200 Original-Received: from 69-165-145-6.dsl.teksavvy.com ([69.165.145.6]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 11 Sep 2014 14:34:46 +0200 Original-Received: from monnier by 69-165-145-6.dsl.teksavvy.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 11 Sep 2014 14:34:46 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 33 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 69-165-145-6.dsl.teksavvy.com User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) Cancel-Lock: sha1:/eS/AttZYrSqyoVHjo2k6+IbK+Q= 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:99814 Archived-At: > (defun go-or-make-agenda (&optional new-frame) > (interactive "P") > (let ((buffer "\*Org Agenda\*") > (some-other-buffer "*scratch*") > (my-switch-function (if new-frame ;; is there some way to do this? > 'switch-to-buffer-other-frame > 'switch-to-buffer))) > (if (get-buffer buffer) > (funcall my-switch-function buffer) > (funcall my-switch-function some-other-buffer)))) Aka (defun go-or-make-agenda (&optional new-frame) (interactive "P") (let ((buffer "\*Org Agenda\*") (some-other-buffer "*scratch*") (my-switch-function (if new-frame ;; is there some way to do this? 'switch-to-buffer-other-frame 'switch-to-buffer))) (funcall my-switch-function (if (get-buffer buffer) buffer some-other-buffer)))) Aka (defun go-or-make-agenda (&optional new-frame) (interactive "P") (let ((buffer "\*Org Agenda\*") (some-other-buffer "*scratch*")) (funcall (if new-frame 'switch-to-buffer-other-frame 'switch-to-buffer) (if (get-buffer buffer) buffer some-other-buffer)))) -- Stefan