FizzBuzz

FizzBuzz.sc

(1 to 100).map { x =>
  val str = StringBuilder.newBuilder
  if(x % 3 == 0) str append "Fizz"
  if(x % 5 == 0) str append "Buzz"
  if(str.size > 0) str.toString else x.toString
}.mkString("\n")

FizzBuzz0a.sc

(1 to 100).map { 
    case x if (x % 15 == 0) => "FizzBuzz"
    case x if (x % 5 == 0) => "Buzz"
    case x if (x % 3 == 0) => "Fizz"
    case x => x.toString
}.mkString("\n")

FizzBuzz0b.sc

(1 to 100).map { x =>
  (x % 5, x % 3) match {
    case (0, 0) => "FizzBuzz"
    case (0, _) => "Buzz"
    case (_, 0) => "Fizz"
    case _ => x.toString
  }
}.mkString("\n")

FizzBuzz2.sc

def fizzBuzz(i: Int): String = 
	Seq(15 -> "FizzBuzz", 5 -> "Buzz", 3 -> "Fizz")
	.find(i % _._1 == 0)
	.map(_._2)
	.getOrElse(i.toString)

(1 to 100).map(fizzBuzz).mkString("\n")