package test;

trait DefaultScanner {
  abstract class SingletonFactory(c : Char) {
    def init = Console.println("init: " + c);
  }
  abstract class PairFactory[T](val open : T, val close : T);
  trait BraceFactory extends PairFactory[Char] {
    object openF extends SingletonFactory(open);
    object closeF extends SingletonFactory(close);
    openF.init;
    closeF.init;
  }
}
trait ScalaScanner extends DefaultScanner {
  abstract class CurlyFactory extends BraceFactory('{', '}') {
    override def toString() = "curly";
  }
}
class ScalaTest extends ScalaScanner {
  object curlyFactory extends CurlyFactory;
}
object test {
  def main(args : Array[String]) : Unit = {
    val test = new ScalaTest;
    Console.println(test.curlyFactory);
  }
}