File: abstract-class-2.scala

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scala 2.9.2%2Bdfsg-2
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class P {
  trait S1
  val p = new P
  
  trait S2 {
    def f(x: p.S1): Int
  }
}

class P2 extends P {
  object O2 extends S2 {
    def f(x: S1) = 5
  }   
}