Behavioral Design Patterns in C++ - Containers - V (ListIterator)

The video tutorial explains the implementation of an iterator for the list class, making the node a private member and using a friend class. It introduces polymorphic iteration, allowing a single function to iterate over different containers. The tutorial also covers memory management using smart pointers to handle iterators created on the heap. The advantages of the iterator pattern are highlighted, including a consistent API, encapsulation, and the ability to add new iterators without affecting client code. Future improvements and the potential for different traversal algorithms are also discussed.

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