From: "Pascal J. Bourguignon" <pjb@informatimago.com>
To: help-gnu-emacs@gnu.org
Subject: Re: Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp?
Date: Wed, 18 Jun 2014 16:43:48 +0200 [thread overview]
Message-ID: <87egymp9az.fsf@kuiper.lan.informatimago.com> (raw)
In-Reply-To: mailman.3879.1403089222.1147.help-gnu-emacs@gnu.org
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 !"
next prev parent reply other threads:[~2014-06-18 14:43 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-17 17:13 Why aren't `find`, `find-if`, `remove-if` part of Emacs Lisp? Nicolas Petton
2014-06-17 17:28 ` Stefan Monnier
2014-06-17 18:36 ` Nicolas Petton
2014-06-17 18:56 ` Doug Lewan
2014-06-17 19:06 ` Nicolas Petton
2014-06-17 19:55 ` Doug Lewan
2014-06-17 22:16 ` Stefan Monnier
2014-06-18 11:00 ` Nicolas Petton
[not found] ` <mailman.3879.1403089222.1147.help-gnu-emacs@gnu.org>
2014-06-18 14:36 ` Stefan Monnier
2014-06-18 14:43 ` Barry Margolin
2014-06-18 15:43 ` Damien Cassou
2014-06-18 16:31 ` Phillip Lord
[not found] ` <mailman.3896.1403106263.1147.help-gnu-emacs@gnu.org>
2014-06-24 13:51 ` Christoph Wedler
2014-06-24 16:24 ` Barry Margolin
2014-06-25 3:22 ` Stefan Monnier
2014-06-25 4:08 ` Leo Liu
[not found] ` <mailman.4252.1403669342.1147.help-gnu-emacs@gnu.org>
2014-06-25 13:46 ` Stefan Monnier
[not found] ` <mailman.4251.1403666567.1147.help-gnu-emacs@gnu.org>
2014-06-25 10:24 ` Christoph Wedler
2014-06-25 13:35 ` Stefan Monnier
2014-06-25 14:09 ` Stefan Monnier
2014-06-25 15:37 ` Barry Margolin
2014-06-25 23:44 ` Robert Thorpe
2014-06-18 14:43 ` Pascal J. Bourguignon [this message]
[not found] ` <mailman.3837.1403026153.1147.help-gnu-emacs@gnu.org>
2014-06-20 0:20 ` WJ
2014-06-20 13:45 ` Stefan Monnier
[not found] <mailman.3836.1403025251.1147.help-gnu-emacs@gnu.org>
2014-06-17 21:42 ` Barry Margolin
[not found] <mailman.4322.1403739913.1147.help-gnu-emacs@gnu.org>
2014-06-26 0:37 ` Stefan Monnier
2014-06-26 5:27 ` Barry Margolin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87egymp9az.fsf@kuiper.lan.informatimago.com \
--to=pjb@informatimago.com \
--cc=help-gnu-emacs@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.