And with associated values in enum types they behave in a similar way to case classes in Scala that extend a sealed trait. For example I've been working on a J

And with associated values in enum types they behave in a similar way to case classes in Scala that extend a sealed trait. For example I've been working on a Json library that stores everything in an enum (ADT): public enum JsValue { case JsString(String) case JsNumber(Double) case JsObject([String: JsValue]) case JsArray([JsValue]) case JsBoolean(Bool) case JsNull }