From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.devel Subject: Re: pcase-setq Date: Tue, 13 Oct 2015 17:52:13 +0200 Message-ID: <877fmqhiky.fsf@web.de> References: <87wpyaet7r.fsf@web.de> <87y4iqh7x0.fsf@web.de> <87oajmld49.fsf@gnu.org> <87oajlyif9.fsf@gnu.org> <87a8v53wll.fsf@web.de> <87k2qsxr73.fsf_-_@web.de> <87io6anadt.fsf@web.de> <87a8rmn9y1.fsf@web.de> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1444751689 17430 80.91.229.3 (13 Oct 2015 15:54:49 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 13 Oct 2015 15:54:49 +0000 (UTC) Cc: Stefan Monnier To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Oct 13 17:54:44 2015 Return-path: Envelope-to: ged-emacs-devel@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 1Zm1uT-00041U-PC for ged-emacs-devel@m.gmane.org; Tue, 13 Oct 2015 17:54:41 +0200 Original-Received: from localhost ([::1]:37071 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zm1uT-0003vh-6h for ged-emacs-devel@m.gmane.org; Tue, 13 Oct 2015 11:54:41 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55715) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zm1sL-0001Za-My for emacs-devel@gnu.org; Tue, 13 Oct 2015 11:52:30 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Zm1sF-0005uQ-8h for emacs-devel@gnu.org; Tue, 13 Oct 2015 11:52:27 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:36009) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zm1sF-0005u3-1y for emacs-devel@gnu.org; Tue, 13 Oct 2015 11:52:23 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1Zm1sB-0001bp-SW for emacs-devel@gnu.org; Tue, 13 Oct 2015 17:52:19 +0200 Original-Received: from ip-90-186-1-139.web.vodafone.de ([90.186.1.139]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 13 Oct 2015 17:52:19 +0200 Original-Received: from michael_heerdegen by ip-90-186-1-139.web.vodafone.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 13 Oct 2015 17:52:19 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 16 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: ip-90-186-1-139.web.vodafone.de User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) Cancel-Lock: sha1:pk+1LQieWnRFdxv/J1Vs/A7lhjk= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:191483 Archived-At: Hello Stefan, Here is my first attempt, ignoring all optimizations: --8<---------------cut here---------------start------------->8--- (defmacro pcase-setq (pattern exp) (pcase--u `((,(pcase--match exp (pcase--macroexpand pattern)) ,(lambda (vars) `(progn ,@(mapcar (lambda (b) `(setq ,(car b) ,(cdr b))) vars))))))) --8<---------------cut here---------------end--------------->8--- Does that make sense? Michael.