From: Stefan Monnier <monnier@iro.umontreal.ca>
To: help-gnu-emacs@gnu.org
Subject: Re: elisp programming questions
Date: Mon, 29 Oct 2012 10:21:29 -0400 [thread overview]
Message-ID: <jwvfw4xbbrv.fsf-monnier+gnu.emacs.help@gnu.org> (raw)
In-Reply-To: barmar-AF7136.05243525102012@news.eternal-september.org
>> (defvar say-hi-mode-map
>> (let ((map (make-keymap)))
>> (define-key map [left] 'say-hi)
>> ;;(define-key map [right] 'say-hi)
>> map))
> DEFVAR only assigns the variable if it doesn't already have a value. So
> when you run it the second time, it doesn't do anything because the
> variable is already initialized.
That's right.
> Change it to:
> (defvar say-hi-mode-map (make-keymap))
> (define-key map [left] 'say-hi)
> (define-key map [right] 'say-hi)
No, this is bad style. Instead, just use C-M-x with point within
the defvar (or use defconst).
Stefan
next prev parent reply other threads:[~2012-10-29 14:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.11660.1351139989.855.help-gnu-emacs@gnu.org>
2012-10-25 9:24 ` elisp programming questions Barry Margolin
2012-10-29 14:21 ` Stefan Monnier [this message]
2012-11-03 3:18 ` Pascal J. Bourguignon
2012-10-25 4:39 Evan Driscoll
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