On Iteration by Andrei Alexandrescu

I just finished reading a great article on iterators by Andrei Alexandrescu.  Mr. Alexandrescu is a contributor to the D programming language.  In this paper, he discusses the background of iterator implementations including C++ STL iterators, and then goes on to outline a new model for iterators.  It’s very readable, I recommend it.

http://www.informit.com/articles/article.aspx?p=1407357

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