Re: Idempotency of add-hook wrt lambda expressions

[Stefan Monnier]

> One of the reasons for using a lambda is to save having to think up a
> function name, and to save cluttering up one's .emacs, or whatever.
> Compare

>     (add-hook 'foo-mode-hook (lambda (some-minor-mode 1)))

> with

>     (defun switch-some-minor-mode-on ()
>       (some-minor-mode 1))
>     (add-hook 'foo-mode-hook 'switch-some-minor-mode-on)

FWIW, I use the second form in my .emacs, because I try to make my
.emacs idempotent (so I can just reload it any number of time, and that
won't add N copies of my lambda on that magic hook).


        Stefan