fizzbuzz implemented in Scala

fizzbuzz_scala.scala

/**
  * returns a transformed list (of strings) of the
  * 1-to-100 integer list passed in such that:
  *   integers evenly divisible by 3 are replaced by "fizz"
  *   integers evenly divisible by 5 are replaced by "buzz"
  *   integers evenly divisible by both 3 & 5 are replaced by "fizzbuz"
  *   all other integers are replaced by their string representation
  * */
def f[Int](q:List[Int]=(1 to 100).toList):List[String] = {
  fb.foldLeft(List[String]())( (u, v) =>
    v match {
      case v if ((v % 3 == 0) && (v % 5 == 0))      =>    u :+ "fizzbuzz"
      case v if (v % 3 == 0)                        =>    u :+ "fizz"
      case v if (v % 5 == 0)                        =>    u :+ "buzz"
      case v                                        =>    u :+ v.toString
    }
  )
}

scala> val res = f()
scala> res.length
    Int = 100
scala> for (itm <- res.slice(1, 20)) println(itm)
  2
  fizz
  4
  buzz
  fizz
  7
  8
  fizz
  buzz
  11
  fizz
  13
  14
  fizzbuzz
  16
  17
  fizz
  19
  buzz