Tenth update on iterators - TREESET

examples/treeset/README.md

@@ -1,4 +1,5 @@
 # Treeset examples
 
+* iterator.c - A complete example of the treeset iterator
 * set_ops.c - Demonstrates common set operations like *union*, *intersection*, *difference* and *symmetric difference*.
 * tree_print.c - How to print a binary tree.