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: understanding backquote Date: Wed, 03 Jun 2015 04:37:38 +0200 Organization: Informatimago Message-ID: <87bngx4ivh.fsf@kuiper.lan.informatimago.com> References: <87vbf65jem.fsf@free.fr> <87k2vl4sm0.fsf@kuiper.lan.informatimago.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 1433299230 20501 80.91.229.3 (3 Jun 2015 02:40:30 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 3 Jun 2015 02:40:30 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Wed Jun 03 04:40:30 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 1YzybM-0005t4-3k for geh-help-gnu-emacs@m.gmane.org; Wed, 03 Jun 2015 04:40:20 +0200 Original-Received: from localhost ([::1]:33272 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YzybL-0001Nu-CE for geh-help-gnu-emacs@m.gmane.org; Tue, 02 Jun 2015 22:40:19 -0400 Original-Path: usenet.stanford.edu!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 19 Original-X-Trace: individual.net yhKGN0NruIAJI/8a17+OaQ5Rcf6dELjn2Om1A9fXHJfhoSu/Wd Cancel-Lock: sha1:N2Q1MGNkZTExYmE0YWJkYzQyZjNjYjU4MWI1Y2RiYjNjMjUzMjI1NQ== sha1:88pFvAaK0OVWsGvFyt3dVIEsIzI= 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:212445 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:104729 Archived-At: Olaf Rogalsky writes: > Pascal J. Bourguignon writes: > >>> Is there a way to evaluate parts of a defun during read-time or >>> byte-compile-time? >> >> In emacs lisp, there's no way to evaluate anything at read-time. > In my use case, computing the constant expression at run time has only > very litle performance overhead, so I guess, I will go along this path. > Still sad, that it is not possible to do it at read or compile time. You can still do it long before it's needed. -- __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