Scala: convert string to Int or None

Question

I am trying to get a number out of an xml field

...
12
...

via

Some((recipe \\ \"Main\" \\         


        

Answer 1

scala> import scala.util.Try
import scala.util.Try

scala> def tryToInt( s: String ) = Try(s.toInt).toOption
tryToInt: (s: String)Option[Int]

scala> tryToInt("123")
res0: Option[Int] = Some(123)

scala> tryToInt("")
res1: Option[Int] = None