Implement a function that takes three arguments. If the first two are zero, return “FizzBuzz.” If the first is zero, return “Fizz.” If the second is zero, return “Buzz.” Otherwise return the third argument.

result.exs

test_fn = fn
   (0, 0, _) -> "FizzBuzz"
   (0, _, _) -> "Fizz"
   (_, 0, _) -> "Buzz"
   (_, _, c) -> c
end

IO.puts test_fn.(0,0,1)
IO.puts test_fn.(0,1,1)
IO.puts test_fn.(1,0,1)
IO.puts test_fn.(2,3,4)