YAPC::EU 2018 Glasgow Update!

Task/Sorting-algorithms-Cocktail-sort/Scala/sorting-algorithms-cocktail-sort.scala

@@ -0,0 +1,26 @@
+object CocktailSort extends App {
+  def sort(arr: Array[Int]) = {
+    var swapped = false
+    do {
+      def swap(i: Int) {
+        val temp = arr(i)
+        arr(i) = arr(i + 1)
+        arr(i + 1) = temp
+        swapped = true
+      }
+
+      swapped = false
+      for (i <- 0 to (arr.length - 2)) if (arr(i) > arr(i + 1)) swap(i)
+
+      if (swapped) {
+        swapped = false
+        for (j <- arr.length - 2 to 0 by -1) if (arr(j) > arr(j + 1)) swap(j)
+        //if no elements have been swapped, then the list is sorted
+      }
+    } while (swapped)
+    arr
+  }
+
+  println(sort(Array(170, 45, 75, -90, -802, 24, 2, 66)).mkString(", "))
+
+}