From: <tomas@tuxteam.de>
To: help-gnu-emacs@gnu.org
Subject: Re: How to flatten a one-level-deep list?
Date: Wed, 18 May 2016 10:21:23 +0200 [thread overview]
Message-ID: <20160518082123.GB4640@tuxteam.de> (raw)
In-Reply-To: <877fes54pz.fsf@mbork.pl>
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On Wed, May 18, 2016 at 07:12:56AM +0200, Marcin Borkowski wrote:
> Hi,
>
> I have a list of lists of atoms, and I want to have a flat list
> containing these atoms. I could use -flatten from dash.el, but I'd
> prefer not to introduce such a dependency for this one function alone.
> Is there anything *in core Emacs* to do it, or should I just write my
> own version?
(setq l '((a b c) (d e f) (g h i)))
(apply 'append l)
=> (a b c d e f g h i)
No idea whether performance or edge cases match your requirements,
though :)
regards
- -- t
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next prev parent reply other threads:[~2016-05-18 8:21 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-18 5:12 How to flatten a one-level-deep list? Marcin Borkowski
2016-05-18 8:21 ` tomas [this message]
2016-05-18 9:37 ` Marcin Borkowski
2016-05-18 21:07 ` Emanuel Berg
2016-05-20 12:17 ` Stefan Monnier
2016-05-20 15:01 ` Michael Heerdegen
2016-05-20 17:20 ` Marcin Borkowski
2016-05-20 17:54 ` Michael Heerdegen
2016-05-20 19:51 ` Marcin Borkowski
2016-05-20 22:14 ` Michael Heerdegen
[not found] ` <mailman.46.1463559697.6543.help-gnu-emacs@gnu.org>
2016-05-18 17:52 ` Pascal J. Bourguignon
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