From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Joakim Hove Newsgroups: gmane.emacs.help Subject: Re: Learners doubt in LISP Date: Thu, 08 Jan 2004 10:22:08 +0100 Organization: University of Bergen Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Message-ID: <4yd69un6bj.fsf@skjellgran.ii.uib.no> References: NNTP-Posting-Host: deer.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Trace: sea.gmane.org 1073554300 12747 80.91.224.253 (8 Jan 2004 09:31:40 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Thu, 8 Jan 2004 09:31:40 +0000 (UTC) Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Thu Jan 08 10:31:37 2004 Return-path: Original-Received: from monty-python.gnu.org ([199.232.76.173]) by deer.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 1AeWVs-0006e5-00 for ; Thu, 08 Jan 2004 10:31:37 +0100 Original-Received: from localhost ([127.0.0.1] helo=monty-python.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.24) id 1AeXRQ-0004Of-M5 for geh-help-gnu-emacs@m.gmane.org; Thu, 08 Jan 2004 05:31:04 -0500 Original-Path: shelby.stanford.edu!newsfeed.stanford.edu!news.tele.dk!news.tele.dk!small.news.tele.dk!uninett.no!nntp.uib.no!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 36 Original-NNTP-Posting-Host: skjellgran.ii.uib.no Original-X-Trace: toralf.uib.no 1073555540 64525 129.177.20.52 (8 Jan 2004 09:52:20 GMT) Original-X-Complaints-To: abuse@uib.no Original-NNTP-Posting-Date: 8 Jan 2004 09:52:20 GMT User-Agent: Gnus/5.1003 (Gnus v5.10.3) Emacs/21.3.50 (gnu/linux) Cancel-Lock: sha1:bH9Yzut3TXqEAMJGQhRlTTZcEHY= Original-Xref: shelby.stanford.edu gnu.emacs.help:119864 Original-To: help-gnu-emacs@gnu.org X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.2 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 Xref: main.gmane.org gmane.emacs.help:15807 X-Report-Spam: http://spam.gmane.org/gmane.emacs.help:15807 Rajsekar Manokaran writes: > (completing-read "Input: " '(("hai" 10) ("bye" 20)) nil t nil) [...] > Now this thing seems to return "bye" or "hai" > How do I access the 10 or 20 that comes together with it? (let* ((alist '(("hai" 10) ("bye" 20))) (key (completing-read "Input: alist nil t nil)) (value (nth 1 (assoc-string key alist)))) ;; Key and value defined in this scope. ) The function (assoc-string) returns the whole pair, and (nth 1 ) selects the last one. (Maybe a function to perform this combination already exists?) HTH - Joakim -- /--------------------------------------------------------------------\ / Joakim Hove / hove@bccs.no / (55 5) 84076 | \ | Unifob AS, Avdeling for Beregningsvitenskap (BCCS) | Stabburveien 18 | | CMU | 5231 Paradis | \ Thormøhlensgt.55, 5020 Bergen. | 55 91 28 18 / \--------------------------------------------------------------------/