What are some examples of smart pointers in C++?

What are some examples of smart pointers in C++?

In C++, smart pointers are used to manage dynamic memory. Common examples include std::unique_ptr, std::shared_ptr, and std::weak_ptr.

Can you explain how std::unique_ptr works?

Sure! std::unique_ptr is a smart pointer that owns a dynamically allocated object exclusively. It cannot be copied, only moved, ensuring that there is only one unique pointer to the object.

What about std::shared_ptr?

std::shared_ptr allows multiple pointers to share ownership of a single object. It keeps a reference count to manage the object's lifetime.

When should I use std::weak_ptr?

std::weak_ptr is used to break circular references between shared pointers. It allows access to an object without affecting its reference count.