DemoProc.scala

trait Processor {
  def process()=println("default process")
}
case class ProcessorOne() extends Processor
case class ProcessorTwo() extends Processor {
  override def process=println("process 2")
}
case class ProcessorThree() extends Processor {
  override def process=println("process 3")
}

object DemoProc {
  
  def main( args : Array[String]):Unit ={
    

val myFuncs2 : Map[String, () => Unit]=
  Map(
    "string1" -> (() => ProcessorOne().process),
    "string2" -> (() => ProcessorTwo().process),
    "string3" -> (() => ProcessorThree().process)
  )
  
   myFuncs2.values.foreach(v => v());

val myFuncs : Map[String, () => Unit]=
  Map(
    "string1" -> (() => (new ProcessorOne()).process),
    "string2" -> (() => (new ProcessorTwo()).process),
    "string3" -> (() => (new ProcessorThree()).process)
  )
  
   myFuncs.values.foreach(v => v());
  
  }
}