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Re: Problem when run-hook-with-args with closure
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From: |
Zhongwei Yao |
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Subject: |
Re: Problem when run-hook-with-args with closure |
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Date: |
Mon, 22 Dec 2014 19:20:49 +0800 |
Hi, Stefan,
Thanks, it works!
Best Regards,
Zhongwei
On Fri, Dec 19, 2014 at 10:11 PM, Stefan Monnier <monnier@iro.umontreal.ca>
wrote:
> > (setq foo
> > (lambda (y)
> > (message "x+y=%d" (+ x y)))))
> > (run-hook-with-args 'foo 1)
>
> Hooks should contain *lists* of functions. The fact that they can also
> just contain a function is an old backward compatibility hack: better
> not rely on it.
>
> So, if you do it right, you won't hit the bug:
>
> (setq foo
> (list (lambda (y)
> (message "x+y=%d" (+ x y))))))
> (run-hook-with-args 'foo 1)
>
> Or better yet:
>
> (add-hook 'foo
> (lambda (y)
> (message "x+y=%d" (+ x y))))))
> (run-hook-with-args 'foo 1)
>
>
> -- Stefan
>
>
>