Elixir FizzBuzz

fizzbuzz.exs

defmodule FizzBuzz do
  def sequence([]), do: []
  def sequence(until) when is_integer(until) and until > 0 do
    sequence(0..until |> Enum.to_list)
  end
  def sequence([head|tail]) do
    output(rem(head, 3), rem(head, 5), head)
    sequence(tail)
  end

  # divisible by 3 and 5
  defp output(0, 0, n), do: IO.puts "#{n}: FizzBuzz"
  defp output(0, _, n), do: IO.puts "#{n}: Fizz"
  defp output(_, 0, n), do: IO.puts "#{n}: Buzz"
  defp output(_, _, n), do: IO.puts n

end

FizzBuzz.sequence(100)