case class Message(xml : Node) { def toXML : Node = xml } case class开发者_运维知识库 ReqValidationMessage (xml : Node) extends Message(xml){
I want to match on some case classes. If I don\'t know them, I want to match on a specified trait the 开发者_如何转开发classes have to extend. This looks like
They don\'t seem to mix that well: abstract class A case class B (var a: Int)(var b: String) extends A case class C extends A
In particular with respect to pattern matching and case classes. Consider the following: abstract class Expr
According to the scala specification, the extractor built by case classes is the following (scala specification §5.3.2):
On migrating our code to Scala 2.9 we\'ve found large swathes of it that didn\'t work and failed silently. We tracked it down to case classes that extend Proxy not being equal. In our code we don\'t e
First, this is in Scala 2.8, so it should be there! =) I\'m working on Lift\'s Javascript objects and I want to have the following:
I have a simple class hierarchy that represents a graph-like structure with several distinct types of vertexes implemented using case classes:
I have some strange json that I cannot change, and I wish to parse it using the JsonParsen in lift. A typical json is like:
So here\'s the situation.I want to define a case class like so: case class A(val s: String) and I want to define an object to ensure that when I create instances of the开发者_如何学编程 class, the