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Re: Why aren't there functions such as filter, take-while, etc. "by def


From: David Kastrup
Subject: Re: Why aren't there functions such as filter, take-while, etc. "by default"?
Date: Sun, 25 Apr 2010 18:24:29 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1.92 (gnu/linux)

Deniz Dogan <address@hidden> writes:

> Why does it have to be so hard to write Emacs Lisp without requiring cl?
>
> Why aren't there functions such as filter (the equivalent of
> remove-if-not in cl-seq.el), take-while, reduce etc. "native" in
> Emacs?

They make for no-surprise efficient programs primarily when the language
has lexical closures.

-- 
David Kastrup





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