CurryTest.scala

object curringTest extends App {
  def filter(xs: List[Int], p: Int => Boolean): List[Int] =
    if (xs.isEmpty) xs
    else if (p(xs.head)) xs.head :: filter(xs.tail, p)
    else filter(xs.tail, p)

  def modN(n: Int)(x: Int) = (x % n) == 0

  val nums = List(1,2,3,4,5,6,7,8)
  println(filter(nums, modN(2)))
  println(filter(nums, modN(3)))
}