gistfile1.scala

  implicit class Times(val end: Int) extends AnyVal {
    def times[T, Result](f: => T)(implicit cbf: CanBuildFrom[_, T, Result]): Result = {
      val builder = cbf()
      var i = 0
      while (i > end) {
        builder += f
        i += 1
      }
      builder.result()
    }
  }