Structural Design Patterns in Modern C++ - Basic Example - Proxy Design Pattern

The video tutorial explains the Proxy design pattern, starting with the creation of a subject base class and a real subject class. It then details the implementation of a proxy class that inherits from the subject, ensuring it has the same interface as the real subject. The proxy class manages the real subject's instantiation and provides additional behavior. The tutorial demonstrates how client code interacts with the proxy, highlighting that the client remains unaware of the proxy's presence. The video concludes with a promise of more examples in future lectures.

How does the proxy provide additional behavior compared to the real subject?

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What will happen if the real subject instance is not created before the request is invoked?

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What is the role of the client in the proxy design pattern?

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