From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.devel Subject: Re: Shift selection using interactive spec Date: Sun, 30 Mar 2008 21:33:33 +0300 Organization: JURTA Message-ID: <87fxu8uks2.fsf@jurta.org> References: <87k5k69p92.fsf@stupidchicken.com> <87od9e9gnx.fsf@stupidchicken.com> <87skyo5bvk.fsf@stupidchicken.com> <87skynrin5.fsf@stupidchicken.com> <87iqzju0lq.fsf@kfs-lx.rd.rdm> <851w5xx5ya.fsf@lola.goethe.zz> <87ve3993dt.fsf@jurta.org> <47EA37C7.7080502@gmail.com> <878x050yp0.fsf@jurta.org> <878x03ybyg.fsf@jurta.org> <871w5upcsc.fsf@jurta.org> <871w5t3svo.fsf@jurta.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1206903116 29242 80.91.229.12 (30 Mar 2008 18:51:56 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 30 Mar 2008 18:51:56 +0000 (UTC) Cc: lennart.borgman@gmail.com, jared@hpalace.com, rms@gnu.org, emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Mar 30 20:52:27 2008 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 4.50) id 1Jg2dn-0007Pf-1U for ged-emacs-devel@m.gmane.org; Sun, 30 Mar 2008 20:52:27 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Jg2dB-0004y7-5Z for ged-emacs-devel@m.gmane.org; Sun, 30 Mar 2008 14:51:49 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Jg2Z7-00015V-A3 for emacs-devel@gnu.org; Sun, 30 Mar 2008 14:47:37 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Jg2Z5-00014R-E5 for emacs-devel@gnu.org; Sun, 30 Mar 2008 14:47:36 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Jg2Z5-000148-54 for emacs-devel@gnu.org; Sun, 30 Mar 2008 14:47:35 -0400 Original-Received: from relay02.kiev.sovam.com ([62.64.120.197]) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1Jg2Z1-0001BS-0B; Sun, 30 Mar 2008 14:47:31 -0400 Original-Received: from [83.170.232.243] (helo=smtp.svitonline.com) by relay02.kiev.sovam.com with esmtp (Exim 4.67) (envelope-from ) id 1Jg2Yw-000L8t-59; Sun, 30 Mar 2008 21:47:28 +0300 In-Reply-To: (Stefan Monnier's message of "Sun, 30 Mar 2008 00:12:43 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (x86_64-pc-linux-gnu) X-Scanner-Signature: bb9f355b5be917825c280d06cf0e20ab X-DrWeb-checked: yes X-SpamTest-Envelope-From: juri@jurta.org X-SpamTest-Group-ID: 00000000 X-SpamTest-Header: Not Detected X-SpamTest-Info: Profiles 2521 [Mar 30 2008] X-SpamTest-Info: helo_type=3 X-SpamTest-Info: {HEADERS: header Content-Type found without required header Content-Transfer-Encoding} X-SpamTest-Method: none X-SpamTest-Rate: 10 X-SpamTest-Status: Not detected X-SpamTest-Status-Extended: not_detected X-SpamTest-Version: SMTP-Filter Version 3.0.0 [0278], KAS30/Release X-detected-kernel: by monty-python.gnu.org: FreeBSD 6.x (1) 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:93924 Archived-At: >> Then the second arg to `interactive' could be just a lambda >> with one argument with the value this function returns, e.g. > > Yes, and if the use of `lambda' turns out to be a bit heavy, we can > provide a handy alternative: if the return-spec is a list but not > a function, then take the list as a function call with a missing argument: > > (defun command () > (interactive > nil > (lambda (ret-val) > (message "Result of this command is %.0f" ret-val))) > ... > (let ((return-value ...)) > ... > return-value)) > > => > > (defun command () > (interactive > nil > (message "Result of this command is %.0f")) > ... > (let ((return-value ...)) > ... > return-value)) And then another simplest alternative we could provide is t when the return value should be displayed with just `(message "%s" ret-val)': (defun command () (interactive nil t) ... (let ((return-value ...)) ... return-value)) -- Juri Linkov http://www.jurta.org/emacs/