Fahad/CodeSamples/CompoundTypes.scala
author Christian Urban <urbanc@in.tum.de>
Wed, 21 Aug 2019 10:29:34 +0200
changeset 344 4e73568b9cf6
parent 44 a751aa1ee4f7
permissions -rw-r--r--
added some lemmas about the counter example.

package Main

object CompoundClasses {
  trait Cloneable extends java.lang.Cloneable {
    override def clone(): Cloneable = { super.clone(); this }
  }

  trait Resetable {
    def reset: Unit
  }

  def cloneAndReset(obj: Cloneable with Resetable): Cloneable = {
    val cloned = obj.clone()
    obj.reset
    cloned
  }
}