PassingLazyValAround.scala

def foo(x0: => Int): Unit = {
  lazy val x = {
    println("resolve foo")
    x0
  }
  
  x
  x
}

def bar(): Unit = {
  lazy val x = {
    println("resolve bar")
    1234
  }
  
  foo(x)
  println("returned from foo")
  x
  x
}

bar()
// resolve foo
// resolve bar
// returned from foo