fizzBuzzer in scala

fizzbuzz.scala

def fizzBuzzer(entries: Map[Int, String])(nums: Seq[Int]) = {
  def fizzBuzzify(n: Int) =
    (n, entries collect { case (key, value) if n % key == 0 => value })

  nums map fizzBuzzify collect {
    case (num, words) if !words.isEmpty => num + ": " + words.mkString(" ")
  }
}

val answer = fizzBuzzer(Map(3 -> "fizz", 5 -> "buzz"))(0 to 100)
println(answer)