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bjartek/join.scala

Created September 14, 2010 06:40
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join.scala
def join(list : List[Int]) : String = list match {
case List() => ""
case List(x) => x.toString
case List(x,y) => x + " and " + y
case List(x,y,z) => x + ", " + y + ", and " + z
case _ => list(0) + ", " + join(list.tail)
}
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