blob: 40097a046f42c6dfdbec879a4f9e83c3f0f9df23 (
plain) (
tree)
|
|
object Test {
def main(args : Array[String]) : Unit = {
recurse(Map(1->1, 2->2, 3->3, 4->4, 5->5, 6->6, 7->7))
recurse(Set(1,2,3,4,5,6,7))
println("done")
}
def recurse(map: collection.immutable.Map[Int, Int]): Unit = {
if (!map.isEmpty) {
val x = map.keys.head
recurse(map - x)
}
}
def recurse(set: collection.immutable.Set[Int]): Unit = {
if (!set.isEmpty) {
val x = set.toStream.head
recurse(set - x)
}
}
}
|