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From: pjb@informatimago.com (Pascal J. Bourguignon)
To: help-gnu-emacs@gnu.org
Subject: Re: how to temporarily remove a function from a hook?
Date: Thu, 09 Jul 2009 04:42:46 +0200	[thread overview]
Message-ID: <87ab3elgpl.fsf@galatea.local> (raw)
In-Reply-To: mailman.2124.1247103655.2239.help-gnu-emacs@gnu.org

Kevin Rodgers <kevin.d.rodgers@gmail.com> writes:

> What is the right way to temporarily remove a function from a hook?
>
>
> My best guess is:
>
> (let ((foo-hook (progn (remove-hook 'bar 'foo-hook) foo-hook)))
>   ...)


This won't work, because remove-hook actually modifies the outside
variable foo-hook.


Write simply:

(let ((foo-hook (remove 'bar foo-hook)))
   ...)


-- 
__Pascal Bourguignon__


       reply	other threads:[~2009-07-09  2:42 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <mailman.2124.1247103655.2239.help-gnu-emacs@gnu.org>
2009-07-09  2:42 ` Pascal J. Bourguignon [this message]
2009-07-09  4:04   ` how to temporarily remove a function from a hook? Barry Margolin
2009-07-09 11:14     ` Johan Bockgård
2009-07-09  1:40 Kevin Rodgers

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