File: pmbug.scala

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scala 2.9.2%2Bdfsg-2

file content (8 lines) | stat: -rw-r--r-- 146 bytes

object Test {

  def flatten[a](l: List[List[a]]): List[a] = l match {
    case Nil => Nil
    case head :: tail => head ::: flatten(tail)
  }

}