From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Luc Teirlinck Newsgroups: gmane.emacs.devel Subject: Re: datatypes in Elisp Info: mention "things" for which there is no "thing" datatype - e.g. faces Date: Fri, 24 Jun 2005 13:41:33 -0500 (CDT) Message-ID: <200506241841.j5OIfXp09629@raven.dms.auburn.edu> References: NNTP-Posting-Host: main.gmane.org X-Trace: sea.gmane.org 1119639079 30695 80.91.229.2 (24 Jun 2005 18:51:19 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Fri, 24 Jun 2005 18:51:19 +0000 (UTC) Cc: drew.adams@oracle.com, emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Jun 24 20:51:17 2005 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1DltGP-0000Gt-GF for ged-emacs-devel@m.gmane.org; Fri, 24 Jun 2005 20:50:53 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DltNU-0004hS-Hx for ged-emacs-devel@m.gmane.org; Fri, 24 Jun 2005 14:58:12 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1DltJy-0003Qk-IX for emacs-devel@gnu.org; Fri, 24 Jun 2005 14:54:35 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1DltJt-0003OG-Ug for emacs-devel@gnu.org; Fri, 24 Jun 2005 14:54:30 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DltJs-0003IH-AZ for emacs-devel@gnu.org; Fri, 24 Jun 2005 14:54:28 -0400 Original-Received: from [131.204.53.104] (helo=manatee.dms.auburn.edu) by monty-python.gnu.org with esmtp (Exim 4.34) id 1DltCc-0002m1-Vd; Fri, 24 Jun 2005 14:46:59 -0400 Original-Received: from raven.dms.auburn.edu (raven.dms.auburn.edu [131.204.53.29]) by manatee.dms.auburn.edu (8.12.10/8.12.10) with ESMTP id j5OIh9CK005599; Fri, 24 Jun 2005 13:43:10 -0500 (CDT) Original-Received: (from teirllm@localhost) by raven.dms.auburn.edu (8.11.7p1+Sun/8.11.7) id j5OIfXp09629; Fri, 24 Jun 2005 13:41:33 -0500 (CDT) X-Authentication-Warning: raven.dms.auburn.edu: teirllm set sender to teirllm@dms.auburn.edu using -f Original-To: snogglethorpe@gmail.com, miles@gnu.org In-reply-to: (message from Miles Bader on Fri, 24 Jun 2005 10:28:39 +0900) 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:39443 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:39443 Miles Bader wrote: I tend to think of datatypes in lisp as being disjoint categories of values; a value can only every have one datatype. It can only have one _primitive_ data type (returned by type-of), but it can have tons of data types. See `(elisp)Lisp Data Types' and `(elisp)Type Predicates'. Sincerely, Luc.