From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.org!.POSTED!not-for-mail
From: Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups: gmane.emacs.devel
Subject: Re: pure-fns in byte-opt.el
Date: Fri, 28 Jul 2017 13:49:57 -0400
Message-ID: <jwv1sp0ihc0.fsf-monnier+gmane.emacs.devel@gnu.org>
References: <20170725020650.GA12601@holos.localdomain>
	<mvmh8y1vsp9.fsf@suse.de>
	<jwvtw20ob8o.fsf-monnier+gmane.emacs.devel@gnu.org>
	<CAArVCkQizDCZFB4DtN5DAmZMUj3QGSygVwfAGw2rkXNd6kqa6A@mail.gmail.com>
	<jwvpocomcol.fsf-monnier+Inbox@gnu.org>
	<CAArVCkTOX5BSzxQR4XqPvnXCNPohAQAeKEzbFLO6+DjZMuzKrA@mail.gmail.com>
NNTP-Posting-Host: blaine.gmane.org
Mime-Version: 1.0
Content-Type: text/plain
X-Trace: blaine.gmane.org 1501264254 9037 195.159.176.226 (28 Jul 2017 17:50:54 GMT)
X-Complaints-To: usenet@blaine.gmane.org
NNTP-Posting-Date: Fri, 28 Jul 2017 17:50:54 +0000 (UTC)
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux)
To: emacs-devel@gnu.org
Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Jul 28 19:50:50 2017
Return-path: <emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org>
Envelope-to: ged-emacs-devel@m.gmane.org
Original-Received: from lists.gnu.org ([208.118.235.17])
	by blaine.gmane.org with esmtp (Exim 4.84_2)
	(envelope-from <emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org>)
	id 1db9PT-0001yg-RJ
	for ged-emacs-devel@m.gmane.org; Fri, 28 Jul 2017 19:50:47 +0200
Original-Received: from localhost ([::1]:49409 helo=lists.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org>)
	id 1db9PZ-0001jF-NP
	for ged-emacs-devel@m.gmane.org; Fri, 28 Jul 2017 13:50:53 -0400
Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60493)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <ged-emacs-devel@m.gmane.org>) id 1db9Oy-0001j8-Hq
	for emacs-devel@gnu.org; Fri, 28 Jul 2017 13:50:17 -0400
Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <ged-emacs-devel@m.gmane.org>) id 1db9Ov-0004sr-GF
	for emacs-devel@gnu.org; Fri, 28 Jul 2017 13:50:16 -0400
Original-Received: from [195.159.176.226] (port=40219 helo=blaine.gmane.org)
	by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16)
	(Exim 4.71) (envelope-from <ged-emacs-devel@m.gmane.org>)
	id 1db9Ov-0004sP-9j
	for emacs-devel@gnu.org; Fri, 28 Jul 2017 13:50:13 -0400
Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2)
	(envelope-from <ged-emacs-devel@m.gmane.org>) id 1db9Oh-00080e-9g
	for emacs-devel@gnu.org; Fri, 28 Jul 2017 19:49:59 +0200
X-Injected-Via-Gmane: http://gmane.org/
Original-Lines: 10
Original-X-Complaints-To: usenet@blaine.gmane.org
Cancel-Lock: sha1:SPTa3sUMzrHtxQq6399RW4hqWJk=
X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]
	[fuzzy]
X-Received-From: 195.159.176.226
X-BeenThere: emacs-devel@gnu.org
X-Mailman-Version: 2.1.21
Precedence: list
List-Id: "Emacs development discussions." <emacs-devel.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/emacs-devel>,
	<mailto:emacs-devel-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/emacs-devel/>
List-Post: <mailto:emacs-devel@gnu.org>
List-Help: <mailto:emacs-devel-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/emacs-devel>,
	<mailto:emacs-devel-request@gnu.org?subject=subscribe>
Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org
Original-Sender: "Emacs-devel" <emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org>
Xref: news.gmane.org gmane.emacs.devel:217110
Archived-At: <http://permalink.gmane.org/gmane.emacs.devel/217110>

> Hmm.  I get the argument, but wouldn't that mean that only a tiny set of
> builtins were pure?

Indeed, according to that definition of pure, very few Elisp
functions qualify.

Which is why this is not exactly the definition used for pure-fns.


        Stefan