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From: "Pascal J. Bourguignon" <pjb@informatimago.com>
To: help-gnu-emacs@gnu.org
Subject: Re: interactive function name
Date: Sun, 20 Mar 2011 23:54:14 +0100	[thread overview]
Message-ID: <871v21flnt.fsf@kuiper.lan.informatimago.com> (raw)
In-Reply-To: mailman.7.1300661148.12439.help-gnu-emacs@gnu.org

Antoine Levitt <antoine.levitt@gmail.com> writes:

> 20/03/11 23:38, Ritchie
>> I'm trying to use the interactive function name feature. On emacs lisp
>> manual it says:
>>
>> ‘a’
>> A function name (i.e., a symbol satisfying fboundp). Existing,
>> Completion, Prompt.
>>
>> So I tried it with a small test code:
>>
>> (defun testfun1 ()
>>   (message "hello, world!"))
>>
>> (defun test (abcd)
>>   (interactive "aTheme name: ")
>>   (abcd))
>>
>> Emacs gives an error saying,
>>
>> test: Symbol's function definition is void: abcd
>>
>> I tried to test abcd with fboundp, it returns t. So I'm quite confused
>> about how to use the 'a' option in interactive.
>> Any body can give some hints?
>
> Your problem is not with interactive. (abcd) evaluates the function
> "abcd", while you want the function contained in the variable
> "abcd". Try "apply".

or funcall.

-- 
__Pascal Bourguignon__                     http://www.informatimago.com/
A bad day in () is better than a good day in {}.


      parent reply	other threads:[~2011-03-20 22:54 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-20 22:38 interactive function name Ritchie
2011-03-20 22:45 ` Antoine Levitt
     [not found] ` <mailman.7.1300661148.12439.help-gnu-emacs@gnu.org>
2011-03-20 22:54   ` Pascal J. Bourguignon [this message]

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