2008-06-08T00:52:25Z <p>In this episode you will learn how easy and elegant it is to implement the Iterator GOF design pattern in Ruby.</p><p>There are two types of Iterators:&nbsp;</p><ol><li>External Iterator</li><li>Internal Iterator <br /></li></ol>In External Iterators a distinct controller controls the iteration whereas in Internal Iterator the iterator controls itself. http://bparanj.blogspot.com http://www.zepho.com/download/design_patterns_iterator.mov.zip 7 mins 79 2008-06-08T00:52:25Z 79 5 2008-07-16T16:32:28Z