FizzBuzz in Elixir

fizzbuzz.ex

defmodule FizzBuzz do
   def fizzbuzz(n) do
      whichfizz(rem(n, 3), rem(n, 5), n)
   end
   
   defp whichfizz(0, 0, _), do: "FizzBuzz"
   defp whichfizz(0, _, _), do: "Fizz"
   defp whichfizz(_, 0, _), do: "Buzz"
   defp whichfizz(_, _, n), do: n
end   
   

IO.inspect Enum.map(1..100, &FizzBuzz.fizzbuzz/1)