From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.help Subject: Re: plists, alists, and hashtables Date: Wed, 05 Aug 2015 16:45:38 -0400 Message-ID: References: <87k2t9bir3.fsf@lifelogs.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1438807582 14367 80.91.229.3 (5 Aug 2015 20:46:22 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 5 Aug 2015 20:46:22 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Wed Aug 05 22:46:22 2015 Return-path: Envelope-to: geh-help-gnu-emacs@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 1ZN5Zr-0003iy-O0 for geh-help-gnu-emacs@m.gmane.org; Wed, 05 Aug 2015 22:46:19 +0200 Original-Received: from localhost ([::1]:42044 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZN5Zr-0005dG-As for geh-help-gnu-emacs@m.gmane.org; Wed, 05 Aug 2015 16:46:19 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:44096) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZN5ZP-0005KW-Sb for help-gnu-emacs@gnu.org; Wed, 05 Aug 2015 16:45:52 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZN5ZM-0000C2-Ij for help-gnu-emacs@gnu.org; Wed, 05 Aug 2015 16:45:51 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:37191) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZN5ZM-0000Bx-37 for help-gnu-emacs@gnu.org; Wed, 05 Aug 2015 16:45:48 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1ZN5ZJ-0003NH-Se for help-gnu-emacs@gnu.org; Wed, 05 Aug 2015 22:45:46 +0200 Original-Received: from 157-52-5-248.cpe.teksavvy.com ([157-52-5-248.cpe.teksavvy.com]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 05 Aug 2015 22:45:45 +0200 Original-Received: from monnier by 157-52-5-248.cpe.teksavvy.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 05 Aug 2015 22:45:45 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 18 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 157-52-5-248.cpe.teksavvy.com User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) Cancel-Lock: sha1:fO5/vom3S/eY3BJiYYV/dVH5/uM= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:106268 Archived-At: RT> There may be alternatives though. For example, instead of: RT> #s(hash-table size 65 test eql rehash-size 1.5 rehash-threshold 0.8 data ()) RT> We could have a shorthand, perhaps #s(h data) Is it really sufficiently better than the currently supported syntaxes such as #s(hash-table data (a 2 b 3)) or ((a . 2) (b . 3)) ? I think it's going to be hard to convince that the few use cases will be enough to justify all the work. Stefan