Initial data commit

Task/Sorting-algorithms-Cocktail-sort/Wren/sorting-algorithms-cocktail-sort.wren

@@ -0,0 +1,32 @@
+var cocktailSort = Fn.new { |a|
+    var last = a.count - 1
+    while (true) {
+        var swapped = false
+        for (i in 0...last) {
+            if (a[i] > a[i+1]) {
+                var t = a[i]
+                a[i] = a[i+1]
+                a[i+1] = t
+                swapped = true
+            }
+        }
+        if (!swapped) return
+        swapped = false
+        if (last >= 1) {
+            for (i in last-1..0) {
+                if (a[i] > a[i+1]) {
+                    var t = a[i]
+                    a[i] = a[i+1]
+                    a[i+1] = t
+                    swapped = true
+                }
+            }
+        }
+        if (!swapped) return
+    }
+}
+
+var a = [170, 45, 75, -90, -802, 24, 2, 66]
+System.print("Before: %(a)")
+cocktailSort.call(a)
+System.print("After : %(a)")