“With” statement equivalent for Scala?

Question

Idle pondering from a Scala learner perhaps, but ... in my tinkerings I\'ve written the following:

( n.child.size > 0 ) && ( n.child.filter( ! _.isIns         


        

Answer 1

If you just want to limit the scope of your intermediate variable, you can also just create a block around the predicate:

val n = getNodeByMagic()
val passesTest = {
    val child = n.child
    child.length == 0 && !child.filter(_.isInstanceOf[Text]).isEmpty
}
// child is not defined outside of the block