package bug.contrib_60; abstract class Field { type FieldType; var internalValue: FieldType; } case class IntField(value: Int) extends Field { type FieldType = Int; var internalValue: FieldType = value; } case class StringField(value: String) extends Field { type FieldType = String; var internalValue: FieldType = value; } object Test { def main (args: scala.Array[String]) { Console.println(List(new StringField ("bar"), new IntField(8))) } }