5-FizzBuzz.exs

# 5-2 인자 세 개를 받는 함수
fizz_buzz = fn
  0, 0, _ -> "FizzBuzz"
  0, _, _ -> "Fizz"
  _, 0, _ -> "Buzz"
  _, _, a -> a
end

# 5-3 FizzBuzz 함수
fizzbuzz = fn 
  n -> fizz_buzz.(rem(n, 3), rem(n, 5), n) 
end

IO.puts fizzbuzz.(10)
IO.puts fizzbuzz.(11)
IO.puts fizzbuzz.(12)
IO.puts fizzbuzz.(13)
IO.puts fizzbuzz.(14)
IO.puts fizzbuzz.(15)
IO.puts fizzbuzz.(16)