init.scala

object Staticville {
  
  // private def makeCitizen(country: Country): Citizen
  
  private var citizen: Citizen = null
  
  def getCitizen(implicit country: Country): Citizen = {
    
    citizen = citizen match {
      case null => {
        System.out.println("Making citizen - hopefully just once")
        makeCitizen(country)
      }
      case _ => _
    }
    
    citizen
    
  }
  
}