Does Enum.chunk_by have a bug?

[arcanemachine]

Check out this post and read the rest of its thread as well:

List append (++) does not return a list

IEx.configure(inspect: [charlists: :as_lists]) Run this manually inside iex or put it in a file called .iex.exs at the root of your project and it will be ran automatically on iex startup in that directory.