Java Vector.drop Examples

Example #1

File: Vector.java Project: travisfw/javaslang

 Vector<Vector<T>> combinations(Vector<T> elements, int k) {
   return (k == 0)
       ? Vector.of(Vector.empty())
       : elements
           .zipWithIndex()
           .flatMap(
               t ->
                   combinations(elements.drop(t._2 + 1), (k - 1))
                       .map((Vector<T> c) -> c.prepend(t._1)));
 }