File: t5407.scala

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scala 2.11.12-5
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case class Foo(private val x: Int, y: Option[Int], z: Boolean)

object Test extends App {
  def foo(x: Foo) = x match {
    case Foo(x, Some(y), z) => y
    case Foo(x, y, z) => 0
  }
  val x = Foo(1, Some(2), false)
  println(foo(x))


  def bar(x: Foo) = x match {
	  case Foo(x, Some(y), z) => y
	  case Foo(x, None, z) => 0
	}
  println(bar(x))
}