Data commit

Task/Knuth-shuffle/Elena/knuth-shuffle.elena

@@ -0,0 +1,28 @@
+import system'routines;
+import extensions;
+
+const int MAX = 10;
+
+extension randomOp
+{
+    randomize()
+    {
+        var max := self.Length;
+
+        for(int i := 0, i < max, i += 1)
+        {
+            var j := randomGenerator.eval(i,max);
+
+            self.exchange(i,j)
+        };
+
+        ^ self
+    }
+}
+
+public program()
+{
+    var a := Array.allocate:MAX.populate:(i => i );
+
+    console.printLine(a.randomize())
+}