Show that DelayedInit.delayedInit is called multiple times, once for each class in the hierarchy which inherits (directy or indirectly) from delayedInit.

output.log

> console
[info] Starting scala interpreter...
[info]
Welcome to Scala version 2.10.3 (Java HotSpot(TM) 64-Bit Server VM, Java 1.7.0_51).
Type in expressions to have them evaluated.
Type :help for more information.

scala> new B
delayedInit START
A's constructor!
delayedInit END
delayedInit START
B's constructor!
delayedInit END
res0: B = B@36a70752

TestDelayedInit.scala

class A extends DelayedInit {
  def delayedInit(body: => Unit) {
    println("delayedInit START")
    body
    println("delayedInit END")
  }
  println("A's constructor!")
}
class B extends A {
  println("B's constructor!")
}