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@@ Line 4,341: / Line 4,341: @@
 =={{header|Elena}}==
-ELENA 5.0 :
+ELENA 6.x :
 <syntaxhighlight lang="elena">import extensions;
 import extensions'routines;
@@ Line 4,354: / Line 4,354: @@
 class Node
 {
-    rprop int  Value;
+    int  Value : rprop;
-    rprop Node Left;
+    Node Left  : rprop;
-    rprop Node Right;
+    Node Right : rprop;
     constructor new(int value)
@@ Line 4,426: / Line 4,426: @@
             bool next() = queue.isNotEmpty();
-            get()
+            get Value()
             {
                 Node item := queue.pop();