Re: How to flatten a one-level-deep list?

[tomas]

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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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