From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: =?ISO-8859-1?Q?Nordl=F6w?= Newsgroups: gmane.emacs.help Subject: Accessing an element in an associativity list Date: Tue, 9 Sep 2008 06:07:42 -0700 (PDT) Organization: http://groups.google.com Message-ID: <42fc0e67-edf3-41e1-baea-eab3d46bbf2d@73g2000hsx.googlegroups.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1220967651 14392 80.91.229.12 (9 Sep 2008 13:40:51 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 9 Sep 2008 13:40:51 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Tue Sep 09 15:41:46 2008 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1Kd3TU-0002fR-PW for geh-help-gnu-emacs@m.gmane.org; Tue, 09 Sep 2008 15:41:44 +0200 Original-Received: from localhost ([127.0.0.1]:45375 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Kd3SU-0005ve-Qq for geh-help-gnu-emacs@m.gmane.org; Tue, 09 Sep 2008 09:40:42 -0400 Original-Path: news.stanford.edu!newsfeed.stanford.edu!postnews.google.com!73g2000hsx.googlegroups.com!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 23 Original-NNTP-Posting-Host: 150.227.15.253 Original-X-Trace: posting.google.com 1220965663 4039 127.0.0.1 (9 Sep 2008 13:07:43 GMT) Original-X-Complaints-To: groups-abuse@google.com Original-NNTP-Posting-Date: Tue, 9 Sep 2008 13:07:43 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: 73g2000hsx.googlegroups.com; posting-host=150.227.15.253; posting-account=ytJKAgoAAAA1tg4ScoRszebXiIldA5vg User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (X11; U; Linux i686; sv-SE; rv:1.9.0.1) Gecko/2008072820 Firefox/3.0.1,gzip(gfe),gzip(gfe) X-HTTP-Via: 1.1 ip-w.foi.se:8080 (IronPort-WSA/5.6.0-611) Original-Xref: news.stanford.edu gnu.emacs.help:162022 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:57362 Archived-At: I have the following list of lists structure (defvar c++-stl-containers '( ("string" "" "String of char.") ("wstring" "" "String of wide char (wchar_t).") ("vector" "" "Vectors contain contiguous elements stored as an array.") ) ) and I want to do something like this: (index-first 'c++-stl-containers "string" 2) should evaluate to "" Is there any emacs lisp convenience function for accessing a row given its, say, first (key) element? I know this is slow but speed is of no importance here. Of course if a hash table is as easy to use then of course I would like to use that. Thanks in advance, Nordl=F6w