Example of how to use higher order functions in Scala

gistfile1.scala

object BmApp {
  def bm(message: String, func: () => Unit) {
    val start = System.currentTimeMillis()
    func()
    printf("%s: %d\n", message, System.currentTimeMillis() - start)
  }

  def main(args: Array[String]) {
    bm("Testing Bench", () => Thread.sleep(1000))
  }
}