Enum.each

You're seeing just the function each, go back to Enum module for more information.

each(enumerable, fun)

each(t(), (element() -> any())) :: :ok

Invokes the given fun for each element in the enumerable.

Returns :ok.

Enum.each(["some", "example"], fn x -> IO.puts(x) end)
"some"
"example"
#=> :ok