From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: "John Wiegley" Newsgroups: gmane.emacs.devel Subject: Re: Delimited continuations Date: Tue, 12 Dec 2017 14:24:26 -0800 Message-ID: References: <87r2s2cyoj.fsf@web.de> <87374gows5.fsf@web.de> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1513117489 6431 195.159.176.226 (12 Dec 2017 22:24:49 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 12 Dec 2017 22:24:49 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.90 (darwin) Cc: Stefan Monnier , emacs-devel@gnu.org To: Michael Heerdegen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Dec 12 23:24:45 2017 Return-path: 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 ) id 1eOsyj-0001SQ-5e for ged-emacs-devel@m.gmane.org; Tue, 12 Dec 2017 23:24:45 +0100 Original-Received: from localhost ([::1]:60805 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eOsyq-0008Pd-AY for ged-emacs-devel@m.gmane.org; Tue, 12 Dec 2017 17:24:52 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:45334) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eOsyj-0008PX-LX for emacs-devel@gnu.org; Tue, 12 Dec 2017 17:24:46 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eOsye-0002W6-Nc for emacs-devel@gnu.org; Tue, 12 Dec 2017 17:24:45 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:55747) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eOsye-0002W2-JB; Tue, 12 Dec 2017 17:24:40 -0500 Original-Received: from auth2-smtp.messagingengine.com ([66.111.4.228]:55657) by fencepost.gnu.org with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.82) (envelope-from ) id 1eOsye-0001Uq-BH; Tue, 12 Dec 2017 17:24:40 -0500 Original-Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailauth.nyi.internal (Postfix) with ESMTP id D2EDC20CDB; Tue, 12 Dec 2017 17:24:39 -0500 (EST) Original-Received: from frontend1 ([10.202.2.160]) by compute4.internal (MEProxy); Tue, 12 Dec 2017 17:24:39 -0500 X-ME-Sender: Original-Received: from localhost (76-234-69-149.lightspeed.frokca.sbcglobal.net [76.234.69.149]) by mail.messagingengine.com (Postfix) with ESMTPA id 6DF2B7E2E2; Tue, 12 Dec 2017 17:24:39 -0500 (EST) In-Reply-To: <87374gows5.fsf@web.de> (Michael Heerdegen's message of "Tue, 12 Dec 2017 15:17:46 +0100") Mail-Followup-To: Michael Heerdegen , Stefan Monnier , emacs-devel@gnu.org X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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" Xref: news.gmane.org gmane.emacs.devel:220973 Archived-At: >>>>> "MH" == Michael Heerdegen writes: HM> Or we just don't call it continuation, which is misleading given the MH> suggested implementation which gives you more something like a delimited MH> re-execution. HM> Anyway, my personal opinion is to make such stuff available so that people HM> can experiment with it. I'll create some examples in Haskell to determine what the intended semantics should be, and then see how to efficiently replicate that behavior in Elisp. -- John Wiegley GPG fingerprint = 4710 CF98 AF9B 327B B80F http://newartisans.com 60E1 46C4 BD1A 7AC1 4BA2