c_ polity via mixins

mixin-policy.scala

package main

trait PolicyPrint{
    def out(str: String) {println(str)}
}

trait PolicyPrintNothing{
    def out(str: String) {}
}

trait PolicyENLanguage{
    def str() = "Hello"
}

trait PolicyFILanguage{
    def str() = "Terve"
}

trait PolicyHost{
    def out(str: String)
    def str():String
    def dosmth {
      out(str());
    }
}

class PrintFI extends PolicyHost with PolicyFILanguage with PolicyPrint

object HelloWorld {
    def main(args: Array[String]) {
      val p = new PrintFI()
      p.dosmth
    }
  }