unofficial mirror of help-gnu-emacs@gnu.org
 help / color / mirror / Atom feed
From: Marc Tfardy <m-t-o___CUT__IT___@web.de>
To: help-gnu-emacs@gnu.org
Subject: Re: elisp - anonymous function in an association list?
Date: Thu, 29 Nov 2007 15:50:45 +0100	[thread overview]
Message-ID: <5r81u5F131t6qU1@mid.individual.net> (raw)
In-Reply-To: <10f246a9-2a9b-477e-806d-7e3b38ce2607@i29g2000prf.googlegroups.com>

apatheticagnostic schrieb:

> take, for example this code showing what I mean:
> 
> (defvar sample-alist '(("a" '(lambda ()
>                                 (message "We worked!")))
>                        ("b" #'(lambda ()
>                                 (message "B worked too!")))))
> 
> (defun test-call (x)
>   (funcall (cdr (assoc x sample-alist))))
> 
> (test-call "a")
> (test-call "b")
> 
> Both calls fail, with an error message like so:

This seems to work:

(defvar sample-alist '(("a" (lambda () (message "We worked!")))
                        ("b" (lambda () (message "B worked too!")))))

(defun test-call (x)
   (funcall (eval (car (cdr (assoc x sample-alist))))))


(test-call "a")
"We worked!"

(test-call "b")
"B worked too!"


regards

Marc

  reply	other threads:[~2007-11-29 14:50 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-29 14:00 elisp - anonymous function in an association list? apatheticagnostic
2007-11-29 14:50 ` Marc Tfardy [this message]
2007-11-29 15:01   ` apatheticagnostic
2007-11-29 15:04     ` apatheticagnostic
2007-11-30  0:08       ` Johan Bockgård
2007-11-29 15:32     ` David Kastrup
2007-11-29 15:52       ` apatheticagnostic
2007-11-29 21:24       ` Barry Margolin
2007-11-29 15:41 ` Tassilo Horn

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://www.gnu.org/software/emacs/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=5r81u5F131t6qU1@mid.individual.net \
    --to=m-t-o___cut__it___@web.de \
    --cc=help-gnu-emacs@gnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).