Ninety-Nine Scala Problems: Problem 01 - Find the last element of a list.

Problem01.scala

// From: http://aperiodic.net/phil/scala/s-99/

// P01 (*) Find the last element of a list.
// Example:
// scala> last(List(1, 1, 2, 3, 5, 8))
// res0: Int = 8

object Problem01 {
  def main(args: Array[String]) {
    val values = List(1, 1, 2, 3, 5, 8)
    println(last(values))
  }

  def last[T](values : List[T]) : T = 
    values match {
      case x :: Nil => x
      case _ :: xs  => last(xs)
      case _        => throw new NoSuchElementException
    }
}