Currying example.

CurryTest.scala

object CurryTest {

  def modN(n: Int)(x: Int) = x % n == 0           //> modN: (n: Int)(x: Int)Boolean

  val nums = List(1, 2, 3, 4, 5, 6, 7, 8)         //> nums  : List[Int] = List(1, 2, 3, 4, 5, 6, 7, 8)

  println(nums.filter(modN(2)))                   //> List(2, 4, 6, 8)
  println(nums.filter(modN(3)))                   //> List(3, 6)
}