Behavioral Design Patterns in C++ - Pros and Cons-Iterator

The video tutorial explains the iterator design pattern, focusing on its structure, implementation, and advantages. It discusses how iterators can be implemented as nested classes in C, allowing for polymorphic iteration without a common base class. The tutorial highlights the benefits of separating traversal algorithms from containers, enabling new traversal methods and concurrent traversals. It compares static and dynamic polymorphism, emphasizing the efficiency of C's template-based approach. The video also covers iterator validity and provides guidance on when to use the pattern.

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