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Re: Anti-ignore?


From: Emanuel Berg
Subject: Re: Anti-ignore?
Date: Fri, 11 Sep 2015 03:10:07 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux)

"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:

    (defun always-t (&rest args) t)

I suppose this can be useful when you are submitting
a function as an argument and you want it to be `t'.
You can't just submit `t' because it isn't a function.

-- 
underground experts united
http://user.it.uu.se/~embe8573




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