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Re: Anti-ignore?


From: Pascal J. Bourguignon
Subject: Re: Anti-ignore?
Date: Fri, 11 Sep 2015 04:08:52 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux)

Emanuel Berg <embe8573@student.uu.se> writes:

> "Pascal J. Bourguignon" <pjb@informatimago.com>
> writes:
>
>>> the `ignore' function accepts any number of
>>> arguments and returns nil. Is there a `canonical'
>>> function which would accept any number of arguments
>>> and return t? (Note: I /can/ implement it
>>> myself;-), I'm just curious whether this exists -
>>> I couldn't find it.)
>>
>> (funcall (constantly t) 'what 'ever) --> t
>
> That yields:
>
>     (void-function constantly) in funcall
>
> How about:

Indeed, you are missing this function; it's in pjb-emacs.el

;; with lexical-binding:t of course:
(defun constantly (value)
  (lambda (&rest arguments)
    (declare (ignore arguments))
    value))

-- 
__Pascal Bourguignon__                 http://www.informatimago.com/
“The factory of the future will have only two employees, a man and a
dog. The man will be there to feed the dog. The dog will be there to
keep the man from touching the equipment.” -- Carl Bass CEO Autodesk


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