Thanks for that link. His site is very interesting, the functional programming patterns especially: http://www.cs.uni.edu/~wallingf/patterns/recursion.html ht

Thanks for that link. His site is very interesting, the functional programming patterns especially: http://www.cs.uni.edu/~wallingf/patterns/recursion.html http://www.cs.uni.edu/~wallingf/patterns/recursion.html