Written by Elixir

fizzbuzz.exs

defmodule FizzBuzz do
  def fizzbuzz(num) when rem(num, 15) == 0, do: "fizzbuzz"
  def fizzbuzz(num) when rem(num, 3)  == 0, do: "fizz"
  def fizzbuzz(num) when rem(num, 5)  == 0, do: "buzz"
  def fizzbuzz(num), do: Integer.to_string num
end

 Enum.each(1..100, fn(i) ->
   IO.puts FizzBuzz.fizzbuzz(i)
 end)