File: bug927.scala

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scala 2.9.2%2Bdfsg-2
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object Test {

  def sum(stream: Stream[Int]): Int =
    stream match {
      case Stream.Empty => 0
      case Stream.cons(hd, tl) => hd + sum(tl)
    }
  val str: Stream[Int] = Stream.fromIterator(List(1,2,3).iterator)
  assert(sum(str) == 6)
  
}