ex11 - https://medium.com/@lu4nm3/bend-any-type-to-your-will-with-ad-hoc-polymorphism-4e6d326f1ff0

ex11_bend.scala

trait PerishableLike[A] {
  def expired: Boolean
}

case class PerishableLikeBaguette(b: Baguette) extends PerishableLike[Baguette] {
  def expired: Boolean = ???
}

case class PerishableLikeCroissant(c: Croissant) extends PerishableLike[Croissant] {
  def expired: Boolean = ???
}

case class PerishableLikeIceCream(i: IceCream) extends PerishableLike[IceCream] {
  def expired: Boolean = ???
}