Scala example source code file (infer.scala)

This example Scala source code file (infer.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

cons, cons, list, list, nil, nil

The Scala infer.scala source code

object test {
  class List[+a] {
    def ::[b >: a](x: b): List[b] = new Cons(x, this)
  }
  case class Cons[a, b <: a](x: a, xs: List[b]) extends List[a]
  case object Nil extends List[Nothing]
  def nil[n]: List[n] = Nil
  def cons[a](x: a, xs: List[a]): List[a] = null
  val x: List[Int] = Nil.::(1)
  val y: List[Int] = nil.::(1)
}