From: Marco Wahl <marcowahlsoft@gmail.com>
To: help-gnu-emacs@gnu.org
Subject: Re: return first element in list with certain property
Date: Sun, 19 Nov 2017 22:19:02 +0100 [thread overview]
Message-ID: <84a7ziq855.fsf@gmail.com> (raw)
In-Reply-To: mailman.4086.1511124258.27995.help-gnu-emacs@gnu.org
Emanuel Berg <moasen@zoho.com> writes:
> What is considered the right way to return the
> first element in list that has
> a certain property?
>
> The best way I've found so far is `cl-some' and
> then `and'. While I don't consider the
> "`and' hack" to be detrimental in any way I was
> curious if there was a complete
> "hack free" way...
>
> Example: get the first element that is bigger
> than 1:
>
> (cl-some (lambda (e) (and (> e 1) e)) '(1 1 3 1 4 2)) ; 3
(cl-loop for e in '(1 1 3 1 4 2)
when (> e 1)
return e)
lgtm
next parent reply other threads:[~2017-11-19 21:19 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.4086.1511124258.27995.help-gnu-emacs@gnu.org>
2017-11-19 21:19 ` Marco Wahl [this message]
2017-11-19 22:51 ` return first element in list with certain property Emanuel Berg
2017-11-21 4:00 ` Emanuel Berg
2017-11-19 21:20 ` Marco Wahl
2017-11-19 20:43 Emanuel Berg
2017-11-19 20:51 ` Eric Abrahamsen
2017-11-19 21:37 ` Philipp Stephani
2017-11-19 22:55 ` Emanuel Berg
2017-11-20 18:51 ` John Mastro
2017-11-20 19:21 ` Michael Heerdegen
2017-11-20 21:20 ` Emanuel Berg
2017-11-20 21:40 ` John Mastro
2017-11-20 22:19 ` Michael Heerdegen
2017-11-20 20:52 ` Emanuel Berg
2017-11-20 20:12 ` Drew Adams
2017-11-20 20:49 ` Eric Abrahamsen
2017-11-20 21:16 ` Emanuel Berg
2017-11-20 22:02 ` Eric Abrahamsen
2017-11-21 1:54 ` Emanuel Berg
2017-11-21 2:18 ` Emanuel Berg
2017-11-21 17:34 ` Michael Heerdegen
2017-11-21 20:10 ` Emanuel Berg
2017-11-21 21:33 ` Michael Heerdegen
2017-11-22 21:30 ` Nicolas Petton
2017-11-22 21:31 ` Nicolas Petton
2017-11-21 18:01 ` Philipp Stephani
2017-11-21 18:37 ` Michael Heerdegen
2017-11-21 19:26 ` Drew Adams
2017-11-21 20:17 ` Emanuel Berg
2017-11-21 20:47 ` Drew Adams
2017-11-21 20:14 ` Emanuel Berg
[not found] ` <mailman.4260.1511289435.27995.help-gnu-emacs@gnu.org>
2017-11-22 3:52 ` James K. Lowden
2017-11-22 5:04 ` Michael Heerdegen
2017-11-22 14:06 ` Emanuel Berg
2017-11-22 14:52 ` Rusi
2017-11-22 21:28 ` Nicolas Petton
2017-11-23 0:56 ` Emanuel Berg
2017-11-23 1:17 ` Michael Heerdegen
2017-11-23 1:30 ` Emanuel Berg
2017-11-25 2:57 ` John Mastro
2017-11-25 3:54 ` Robert Thorpe
2017-11-25 4:44 ` Alexis
2017-11-25 7:10 ` tomas
2017-11-25 17:11 ` Emanuel Berg
2017-11-25 7:46 ` Eli Zaretskii
2017-11-25 8:03 ` tomas
2017-11-25 19:00 ` John Mastro
2017-11-25 19:45 ` Emanuel Berg
2017-11-27 3:44 ` Michael Heerdegen
2017-11-20 22:59 ` Drew Adams
2017-11-21 1:50 ` Emanuel Berg
[not found] ` <mailman.4093.1511127491.27995.help-gnu-emacs@gnu.org>
2018-03-06 0:31 ` Robert L.
2018-03-06 8:53 ` Emanuel Berg
2018-03-06 9:29 ` Emanuel Berg
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