From: Dmitry Gutov <dgutov@yandex.ru>
To: Barry Margolin <barmar@alum.mit.edu>
Cc: help-gnu-emacs@gnu.org
Subject: Re: add-hook
Date: Sat, 26 Jan 2013 10:21:48 +0400 [thread overview]
Message-ID: <874ni4wjk3.fsf@yandex.ru> (raw)
In-Reply-To: <barmar-714D8F.00335526012013@news.eternal-september.org> (Barry Margolin's message of "Sat, 26 Jan 2013 00:33:55 -0500")
Barry Margolin <barmar@alum.mit.edu> writes:
> In article <mailman.18346.1359173059.855.help-gnu-emacs@gnu.org>,
> Dmitry Gutov <dgutov@yandex.ru> wrote:
>
>> "Drew Adams" <drew.adams@oracle.com> writes:
>> > If HOOK is void then it is initialized to nil.
>> >
>> > (add-hook 'ruby-mode-hook (lambda () (ruby-electric-mode t)))
>>
>> Or, even shorter:
>>
>> (add-hook 'ruby-mode-hook 'ruby-electric-mode)
>
> Not the same. With no argument it toggles, with an argument it turns the
> mode on or off as specified by the argument.
Not really. It toggles only when the mode function is called
interactively. Otherwise, a no-argument call always means "turn on".
Try to eval this a few times, for example: (linum-mode)
In the context of ruby-electric this is irrelevant anyway, though, since
it doesn't have a concept of turning off. Whenever called, it just
modifies ruby-mode-map to use its electric commands.
next prev parent reply other threads:[~2013-01-26 6:21 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-25 19:03 add-hook Perry Smith
2013-01-25 19:18 ` add-hook Drew Adams
2013-01-26 4:03 ` add-hook Dmitry Gutov
[not found] ` <mailman.18346.1359173059.855.help-gnu-emacs@gnu.org>
2013-01-26 5:33 ` add-hook Barry Margolin
2013-01-26 6:21 ` Dmitry Gutov [this message]
-- strict thread matches above, loose matches on Subject: below --
2011-06-04 13:00 add-hook daniele.g
2011-06-04 14:11 ` add-hook Teemu Likonen
2011-06-04 18:35 ` add-hook daniele.g
2011-06-05 10:58 ` add-hook Richard Riley
2011-06-05 18:58 ` add-hook daniele.g
2011-06-05 20:26 ` add-hook Richard Riley
2011-06-05 22:28 ` add-hook daniele.g
2011-06-05 23:33 ` add-hook Richard Riley
[not found] <mailman.1634.1181129906.32220.help-gnu-emacs@gnu.org>
2007-06-06 12:04 ` add-hook Katsumi Yamaoka
2007-06-06 20:41 ` add-hook Robert D. Crawford
2007-06-06 11:26 add-hook Sebastian Tennant
2007-06-07 0:20 ` add-hook Sebastian Tennant
[not found] ` <mailman.1696.1181175524.32220.help-gnu-emacs@gnu.org>
2007-06-07 7:16 ` add-hook Thien-Thi Nguyen
2007-06-07 10:00 ` add-hook Sebastian Tennant
[not found] ` <mailman.1711.1181210337.32220.help-gnu-emacs@gnu.org>
2007-06-07 14:01 ` add-hook Thien-Thi Nguyen
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