How do I use std::shared_ptr in C++?

What is std::shared_ptr in C++?

std::shared_ptr is a smart pointer in C++ that manages the lifetime of an object through reference counting.

How do I create a std::shared_ptr?

You can create a std::shared_ptr using std::make_shared, like this: std::shared_ptr<MyClass> ptr = std::make_shared<MyClass>();

What happens when the last shared_ptr goes out of scope?

When the last std::shared_ptr pointing to an object goes out of scope, the object is automatically deleted.

Can I convert a raw pointer to std::shared_ptr?

Yes, you can convert a raw pointer to std::shared_ptr using std::shared_ptr<MyClass> ptr(rawPointer); but be cautious about ownership.