Scala example source code file (t1545.scala)

This example Scala source code file (t1545.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

app, foo, foo, main, none, none, option, partialfunction, partialfunction, some, some

The Scala t1545.scala source code

object Main extends App {

    case class Foo (field : Option[String])

    val x : PartialFunction[Foo,Int] =
        {
            c => c.field match {
                case Some (s) => 42
                case None     => 99
            }
        }
        
    println (x (Foo (None))) // prints 99
    println (x (Foo (Some ("foo")))) // prints 42
        
}