List and Option in for

listoptionfor.scala

// Ammonite repl output

@ desugar {
   for (
    s <- List(1,2,3);
    o <- if(s % 2 == 1) Some(s) else None
    ) yield (s + o)
  } 
res12: Desugared = scala.collection.immutable.List.apply[Int](1, 2, 3).flatMap[Int, Any](((s: Int) => scala.Option.option2Iterable[Int]((if (s.%(2).==(1))
  scala.Some.apply[Int](s)
else
  scala.None).map[Int](((o: Int) => s.+(o))))))(scala.collection.immutable.List.canBuildFrom[Int])

// Cleaned up

List.apply[Int](1, 2, 3).flatMap[Int, Any](((s: Int) => Option.option2Iterable[Int](
  (if (s.%(2).==(1))
    Some.apply[Int](s)
   else
    None).
  map[Int](((o: Int) => s.+(o))))))(List.canBuildFrom[Int] )