Scala example source code file (bug414.scala)

This example Scala source code file (bug414.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

empty, empty, int, int, intmap, intmap, node, pair, pair

The Scala bug414.scala source code

case class Empty[a]() extends IntMap[a];
case class Node[a](left: IntMap[a], keyVal: Pair[Int, a], right: IntMap[a]) extends IntMap[a];
abstract class IntMap[a] {
        def lookup(key: Int): a = this match {
                case Empty =>
                        error("clef inexistante")
                case _ =>
        };

};