``` tailrec fun level node Node = this l Int = 0 Int return kotlinlang #announcements

``` tailrec fun level(node: Node = this, l: Int ...

kasrasadeghi

11/02/2017, 4:26 AM

Copy code

tailrec fun level(node: Node = this, l: Int = 0): Int
  { return level(parent!!,l + 1) }