Lazy Prime Stream

LazyPrime

object PrimeStream {
  def apply(end : Int):Stream[Int] = {
    def greater:(Int,Int) =>Boolean = (x,y) => x>=y
    def transform: (Int) => Int = (x) => x+1
    val intStream:Stream[Int] = Stream(2,end)(greater,transform)
    def primeStream(stream:Stream[Int]) : Stream[Int] = {
      new ConStream[Int](stream.head, primeStream(Stream(stream.tail)(_%stream.head!=0)))
    }
    primeStream(intStream)
  }
}