From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Nicolas Petton <nicolas@petton.fr>
Cc: Mark Oteiza <mvoteiza@udel.edu>,
Drew Adams <drew.adams@oracle.com>,
emacs-devel@gnu.org
Subject: Re: seq-some-p and nil
Date: Mon, 07 Sep 2015 18:27:02 -0400 [thread overview]
Message-ID: <jwvbnddg95v.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <87mvwym01x.fsf@petton.fr> (Nicolas Petton's message of "Mon, 07 Sep 2015 22:44:42 +0200")
>> Returning what FUN returned seems like a better choice.
>> If you need the element matched, then you can simply arrange for FUN
>> to return the element.
> There is a misunderstanding here I think.
> The way I see it, they are two different functions: the (new) seq-some,
> and this other function that is now missing in seq, with the new
> implementation of `seq-some'.
I don't think so. Both functions can be one and the same.
If you really want seq-find, you can define it as
(defun seq-find (pred seq)
(seq-some (lambda (x) (and (funcall pred x) x)) seq))
But I'm far from convinced it's worth having them both,
Stefan
next prev parent reply other threads:[~2015-09-07 22:27 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-03 15:50 seq-some-p and nil Simen Heggestøyl
2015-09-03 16:42 ` Stefan Monnier
2015-09-03 17:19 ` Artur Malabarba
2015-09-03 17:35 ` John Mastro
2015-09-03 17:50 ` Drew Adams
2015-09-03 19:36 ` Nicolas Petton
2015-09-03 19:45 ` Nicolas Petton
2015-09-06 1:17 ` Mark Oteiza
2015-09-06 20:48 ` Nicolas Petton
2015-09-06 21:46 ` Stefan Monnier
2015-09-07 6:11 ` Nicolas Petton
2015-09-07 8:06 ` Drew Adams
2015-09-07 15:19 ` Stefan Monnier
2015-09-07 15:23 ` Mark Oteiza
2015-09-07 17:08 ` Drew Adams
2015-09-07 20:44 ` Nicolas Petton
2015-09-07 22:27 ` Stefan Monnier [this message]
2015-09-08 7:09 ` Nicolas Petton
2015-09-08 12:36 ` Stefan Monnier
2015-09-08 13:07 ` Nicolas Petton
2015-09-08 16:49 ` Stefan Monnier
2015-09-08 17:01 ` David Kastrup
2015-09-08 17:08 ` Drew Adams
2015-09-08 19:02 ` Nicolas Petton
2015-09-08 19:48 ` Drew Adams
2015-09-09 7:56 ` Nicolas Petton
2015-09-09 13:26 ` Drew Adams
2015-09-09 17:45 ` Stefan Monnier
2015-09-09 17:53 ` Drew Adams
2015-09-09 20:24 ` Stefan Monnier
2015-09-09 20:46 ` Drew Adams
2015-09-09 21:44 ` Nicolas Petton
2015-09-08 18:43 ` Stefan Monnier
2015-09-08 19:03 ` David Kastrup
2015-09-08 18:59 ` Nicolas Petton
2015-09-08 19:06 ` David Kastrup
2015-09-08 20:33 ` Stefan Monnier
2015-09-09 7:57 ` Nicolas Petton
2015-09-08 13:21 ` Nicolas Petton
2015-09-08 13:37 ` Mark Oteiza
2015-09-08 17:50 ` Stefan Monnier
2015-09-09 2:19 ` Mark Oteiza
2015-09-09 4:28 ` Stephen J. Turnbull
2015-09-09 4:57 ` Mark Oteiza
2015-09-07 20:45 ` Nicolas Petton
2015-09-03 19:40 ` Nicolas Petton
2015-09-10 17:46 ` Simen Heggestøyl
2015-09-10 22:12 ` Nicolas Petton
2015-09-22 17:17 ` Simen Heggestøyl
2015-09-23 8:38 ` Nicolas Petton
2015-09-23 8:44 ` David Kastrup
2015-09-23 8:48 ` Simen Heggestøyl
2015-09-23 10:57 ` Nicolas Petton
2015-09-28 19:17 ` Nicolas Petton
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