Some of you might have already heard of the Visitor Pattern, especially if you have read the GoF book Design Patterns, but do you really use it? Do you use it often?
The common answer to this question is No. Once I was even confrontated with the question “Does anybody use it in real code at all?”.
Well, I do – and here I’m going to explain the why and the how. Actually there are different hows and at the end I will introduce a real elegant how…
Continue reading “The Visitor Pattern – Part 1”