Scala example source code file (bug2399.scala)

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Java - Scala tags/keywords

int, int, null, r, r, t, that1, that2, that2, this, this

The Scala bug2399.scala source code

trait That1[A]
trait That2[A, R <: That2[A, R]]

trait T[A, This >: Null <: That1[A] with T[A, This]] extends That2[A, This] {
  self: This =>
  
  private var next: This = _
  def isEmpty = next eq null
  
  def length: Int = {
    def loop(x: This, cnt: Int): Int = if (x.isEmpty) cnt else loop(x.next, cnt + 1)
    loop(self, 0)
  }  
}