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

[Barry Margolin <barmar@alum.mit.edu>]

In article <mailman.3879.1403089222.1147.help-gnu-emacs@gnu.org>,
 Nicolas Petton <petton.nicolas@gmail.com> wrote:

> Stefan Monnier <monnier@iro.umontreal.ca> 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?

Why? Just to avoid having to do (require 'cl)? Or are you suggesting 
that they should be rewritten in C and made primitive subrs?

-- 
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***