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Presumably they were using cowboy through Elixir. It's not hard, the module is just called :cowboy instead of cowboy.



Or `Cowboy` with `alias :cowboy, as: Cowboy` ;)


Stick with the :module notation. This makes it clear that you need to be in "erlang mode"...indexes starting at 1, [probably] charlists instead of binaries, and possibly weird (from an elixir programmer's point of view) argument order.


To be fair, it's a rare thing to be using an index in elixir at all.




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