object Funktionen extends Application {
   def f = (x: Int, y: Int) => x * y
   def g: (Int,Int) => Int = {(x,y) => x * y}
   
   def einsetzen[D1, D2, W] (x: D1, y: D2, f: (D1, D2) => W) = f(x,y)
   
   println(f + " ==  " + g + "? " + (f equals g)) // <function2> == <function2>? false
   println(einsetzen(2, 3, g))                    // 6
}