all tasks

Task/Sorting-algorithms-Cocktail-sort/E/sorting-algorithms-cocktail-sort.e

@@ -0,0 +1,17 @@
+/** Cocktail sort (in-place) */
+def cocktailSort(array) {
+    def swapIndexes := 0..(array.size() - 2)
+    def directions := [swapIndexes, swapIndexes.descending()]
+    while (true) {
+        for direction in directions {
+            var swapped := false
+            for a ? (array[a] > array[def b := a + 1]) in direction {
+                def t    := array[a]
+                array[a] := array[b]
+                array[b] := t
+                swapped  := true
+            }
+            if (!swapped) { return }
+        }
+    }
+}