From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Pascal J. Bourguignon" Newsgroups: gmane.emacs.help Subject: Re: Help with coroutine.el Date: Sun, 12 Apr 2015 22:50:48 +0200 Organization: Informatimago Message-ID: <873845oytz.fsf@kuiper.lan.informatimago.com> References: <4de719d8-3c42-4835-8490-29833e1b920c@googlegroups.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: ger.gmane.org 1428872439 7106 80.91.229.3 (12 Apr 2015 21:00:39 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 12 Apr 2015 21:00:39 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sun Apr 12 23:00:34 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 1YhOzZ-0007k2-6E for geh-help-gnu-emacs@m.gmane.org; Sun, 12 Apr 2015 23:00:33 +0200 Original-Received: from localhost ([::1]:46276 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YhOzY-0006kq-N8 for geh-help-gnu-emacs@m.gmane.org; Sun, 12 Apr 2015 17:00:32 -0400 Original-Path: usenet.stanford.edu!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 25 Original-X-Trace: individual.net 9GTlo5WR4GARHFgZScDKJASKVCHfqvGp9oAONPGx323ie1/1Rb Cancel-Lock: sha1:OGU2ZGViOWFjNmI3NzI5ZDg3MDAzMGM2MzM1OTY4NjZhOWRmZGYyYg== sha1:h79OQEcyARrU5e58/rJ8R5DmJGg= Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwAQMAAABtzGvEAAAABlBMVEUAAAD///+l2Z/dAAAA oElEQVR4nK3OsRHCMAwF0O8YQufUNIQRGIAja9CxSA55AxZgFO4coMgYrEDDQZWPIlNAjwq9 033pbOBPtbXuB6PKNBn5gZkhGa86Z4x2wE67O+06WxGD/HCOGR0deY3f9Ijwwt7rNGNf6Oac l/GuZTF1wFGKiYYHKSFAkjIo1b6sCYS1sVmFhhhahKQssRjRT90ITWUk6vvK3RsPGs+M1RuR mV+hO/VvFAAAAABJRU5ErkJggg== X-Accept-Language: fr, es, en User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) Original-Xref: usenet.stanford.edu gnu.emacs.help:211384 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:103666 Archived-At: Davin Pearson writes: > something like this: > > (defun foo () > (message "hello") > (yield) > (message "goodbye")) > > (foo) -> "hello" > (foo) -> "goodbye" > > I don't know how you go about defining a coroutine function like foo. You can have a look at the Common Lisp library Arnesi, which contains a CPS transformer, that would help doing that. https://common-lisp.net/project/bese/docs/arnesi/html/Automatically_Converting_a_Subset_of_Common_Lisp_to_CPS.html -- __Pascal Bourguignon__ http://www.informatimago.com/ “The factory of the future will have only two employees, a man and a dog. The man will be there to feed the dog. The dog will be there to keep the man from touching the equipment.” -- Carl Bass CEO Autodesk