What are advanced topics in C++ smart pointers?
Advanced topics in C++ smart pointers include custom deleters, shared ownership, and weak pointers.
Can you explain how custom deleters work?
Custom deleters allow you to define how a resource is released when a smart pointer goes out of scope.
What is the difference between shared_ptr and weak_ptr?
shared_ptr
manages shared ownership of an object, while weak_ptr
provides a non-owning reference to avoid circular references.
When should I use weak_ptr?
Use weak_ptr
to break circular references in data structures like graphs or to manage resources without ownership.
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