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Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?
From: |
Pascal J. Bourguignon |
Subject: |
Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp? |
Date: |
Wed, 18 Jun 2014 16:43:48 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) |
Nicolas Petton <petton.nicolas@gmail.com> writes:
> 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?
Yes, it would makes sense. And just name them find, find-if, remove-if!
(defun remove-if (&rest args) (apply (function cl-remove-if) args))
;; …
--
__Pascal Bourguignon__
http://www.informatimago.com/
"Le mercure monte ? C'est le moment d'acheter !"
- Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?, (continued)
- Message not available
- Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?, Christoph Wedler, 2014/06/24
- Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?, Barry Margolin, 2014/06/24
- Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?, Stefan Monnier, 2014/06/24
- Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?, Leo Liu, 2014/06/25
- Message not available
- Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?, Stefan Monnier, 2014/06/25
- Message not available
- Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?, Christoph Wedler, 2014/06/25
- Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?, Stefan Monnier, 2014/06/25
- Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?, Stefan Monnier, 2014/06/25
- Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?, Barry Margolin, 2014/06/25
- Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?, Robert Thorpe, 2014/06/25
- Message not available
- Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?,
Pascal J. Bourguignon <=
Message not available
Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?, Barry Margolin, 2014/06/17
Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?, Stefan Monnier, 2014/06/25
Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?, Barry Margolin, 2014/06/26