File: abstract-concrete-methods.scala

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scala 2.11.12-6
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trait Outer[This <: Outer[This]] {
  self: This =>

  trait Inner
  def score(i: This#Inner): Double
}
class Outer2 extends Outer[Outer2] {
  class Inner extends super.Inner
  def score(i: Outer2#Inner) = 0.0
}