Summing up two options

Question

Let\'s say I have two optional Ints (both can be Some or None):

val one : Option[Int] = Some(1)
val two : Option[Int] = Some(2)

My question is

Answer 1

You could try this:

for( x <- one.orElse(Some(0)); y <- two.orElse(Some(0))) yield x+y