The Visitor Pattern – Part 2

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In Part 1 of this series we learned about the benefits of the Visitor Pattern and saw a basic approach according to the GoF description. As clean and elegant the visitor pattern might look in the first place, it nonetheless has its disadvantages. Say, we want to add a new shape TShapeTriangle. We ...http://feeds.feedburner.com/~r/delph...~4/_5ez1osP-D4

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