Another update from ingydotnet^djgoku

Task/Sorting-algorithms-Bubble-sort/Scala/sorting-algorithms-bubble-sort-2.scala

@@ -0,0 +1,14 @@
+import scala.annotation.tailrec
+
+def bubbleSort(xt: List[Int]) = {
+  @tailrec
+  def bubble(xs: List[Int], rest: List[Int], sorted: List[Int]): List[Int] = xs match {
+    case x :: Nil =>
+      if (rest.isEmpty) x :: sorted
+      else bubble(rest, Nil, x :: sorted)
+    case a :: b :: xs =>
+      if (a > b) bubble(a :: xs, b :: rest, sorted)
+      else       bubble(b :: xs, a :: rest, sorted)
+  }
+  bubble(xt, Nil, Nil)
+}