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Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?


From: Nicolas Petton
Subject: Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?
Date: Wed, 18 Jun 2014 13:00:23 +0200
User-agent: mu4e 0.9.9.6pre3; emacs 24.3.1

Stefan Monnier <address@hidden> writes:

>>>> Emacs Lisp is a great Lisp dialect, but I miss `find`, `find-if`,
>>>> `remove-if`, etc. iteration functions a lot. Sure, I can require cl-lib
>>>> or use dash, but I'm wondering why these functions are not part of the
>>>> base language?
>>> Not sure what you mean.  Most languages I know provide list operations
>>> via libraries.  Why should Elisp be different?
>> What I mean is that Elisp do not have `remove-if`
>
> Of course it does, tho it calls it `cl-remove-if'.

Yes, but what I meant was that there is no filtering function in Elisp
itself (cl-remove-if is part of cl-lib).

But Barry's answer explains it. Now I'm wondering if it would make sense
to have such functions in Elisp itself?

Nico





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