From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: RFC: User-defined pseudovectors Date: Thu, 10 Oct 2013 10:00:50 -0400 Message-ID: References: <85k3hlcqvm.fsf@junk.nocrew.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1381413670 28098 80.91.229.3 (10 Oct 2013 14:01:10 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 10 Oct 2013 14:01:10 +0000 (UTC) Cc: emacs-devel@gnu.org To: Lars Brinkhoff Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Oct 10 16:01:13 2013 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 1VUGne-0001Gi-DO for ged-emacs-devel@m.gmane.org; Thu, 10 Oct 2013 16:01:10 +0200 Original-Received: from localhost ([::1]:47668 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VUGnd-0005eT-OR for ged-emacs-devel@m.gmane.org; Thu, 10 Oct 2013 10:01:09 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:56789) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VUGnT-0005dq-D1 for emacs-devel@gnu.org; Thu, 10 Oct 2013 10:01:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VUGnM-0005kt-4m for emacs-devel@gnu.org; Thu, 10 Oct 2013 10:00:59 -0400 Original-Received: from pruche.dit.umontreal.ca ([132.204.246.22]:34866) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VUGnM-0005kk-0b for emacs-devel@gnu.org; Thu, 10 Oct 2013 10:00:52 -0400 Original-Received: from faina.iro.umontreal.ca (lechon.iro.umontreal.ca [132.204.27.242]) by pruche.dit.umontreal.ca (8.14.1/8.14.1) with ESMTP id r9AE0pBk006219; Thu, 10 Oct 2013 10:00:51 -0400 Original-Received: by faina.iro.umontreal.ca (Postfix, from userid 20848) id 05DF5B4149; Thu, 10 Oct 2013 10:00:50 -0400 (EDT) In-Reply-To: <85k3hlcqvm.fsf@junk.nocrew.org> (Lars Brinkhoff's message of "Thu, 10 Oct 2013 13:22:21 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-NAI-Spam-Flag: NO X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0 X-NAI-Spam-Rules: 1 Rules triggered RV4727=0 X-NAI-Spam-Version: 2.3.0.9362 : core <4727> : inlines <138> : streams <1053485> : uri <1561307> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 132.204.246.22 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:164064 Archived-At: > - Possibly cl-defstruct can be extended to make new types if so requested. I'm not sure I understand the difference between your proposal and cl-defstruct. The only difference I can see is that `vectorp' returns nil on your new objects (well, type-of also changes, but that is so rarely used that it's basically irrelevant). Oh, and there's a new print syntax for those objects. What is the benefit? Stefan