lazy_multiple_option.scala

def wrap(in: Option[String]) : Option[String] = {
  println("Running")
	in
}

//Setup Option[String]s
lazy val maybeValue1 : Option[String] = wrap(Some("Value1"))
lazy val maybeValue2 : Option[String] = wrap(None)
lazy val maybeValue3 : Option[String] = wrap(Some("Value3"))


// Checking each value using a for comprehension
(for { _ <- maybeValue1; _ <- maybeValue2; _ <- maybeValue3 } yield ()) match {
	case None => println("Handle error here")
	case _ => println("Do stuff here")
}