I know why you want it, I've always had that in scala where a case class is also not subclasseable.
But trust me it's a extremly bad idea. A data class should be final and only contain data. there is no reason to subclass it and if one day valhalla will be coming, it's even a worse idea.
I know why you want it, I've always had that in scala where a case class is also not subclasseable.
But trust me it's a extremly bad idea. A data class should be final and only contain data. there is no reason to subclass it and if one day valhalla will be coming, it's even a worse idea.