Scala example source code file (t0565.scala)

This example Scala source code file (t0565.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

a, anyref, app, app, macguffin, macguffin, null, string, string, t, t, test

The Scala t0565.scala source code

object Test extends App {

  class MacGuffin

  object A {
     var x : { type T >: Null <: AnyRef;
               val y : T;
               def z (w : T) : T } =
             new { type T = String;
                   val y = "foo";
                   def z (w : String) = w + "bar" }
     lazy val u = { println("u evaluated"); x }
     def foo (v : => u.type#T) : u.type#T = {
       x = new { type T = MacGuffin;
                 val y = new MacGuffin;
                 def z (w : MacGuffin) = w }
       u.z(v)
     }
  }

  A.foo(A.u.y)
}