fizzbuzz.swift

extension Int {

  func fizzBuzz() -> String {
    switch (self % 3, self % 5) {
    case (0, 0): return "FizzBuzz"
    case (0, _): return "Fizz"
    case (_, 0): return "Buzz"
    case _: return String(self)
    }
  }
}

func fizzBuzz(n: Int) -> String {

  switch (n % 3, n % 5) {
  case (0, 0): return "FizzBuzz"
  case (0, _): return "Fizz"
  case (_, 0): return "Buzz"
  case _: return String(n)
  }

}


(1...100).map { $0.fizzBuzz() }
(1...100).map { fizzBuzz($0) }