josevalim
What's new in Elixir - Dec/17
See the post: https://elixir-lang.org/blog/2017/12/05/whats-new-in-elixir/
Kudos to @doomspork for starting the series!
First Post!
amnu3387
Most Liked
NobbZ
Straight from the docs:
--check-formatted- check that the file is already formatted. This is useful in pre-commit hooks and CI scripts if you want to reject contributions with unformatted code. However, keep in mind, that the formatting output may differ between Elixir versions as improvements and fixes are applied to the formatter.
and
If any of the
--check-*flags are given and a check fails, the formatted contents won’t be written to disk nor printed to stdout.
JEG2
AstonJ
Working fine here too 
Well done @doomspork - I am sure people are going to look forward to these updates 
Last Post!
josevalim
Both are excellent links, thanks. The one shared by @kokolegorille explains how trailing commas are tricky for functions calls in Elixir. The one by @rmoorman is the general formatter rationale/feedback thread.
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