example2_transfer_ownership.cpp

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#include <iostream>
#include <memory>

class MyClass {
public:
    MyClass() { std::cout << "MyClass Constructor" << std::endl; }
    ~MyClass() { std::cout << "MyClass Destructor" << std::endl; }
    void sayHello() const { std::cout << "Hello from MyClass" << std::endl; }
};

int main() {
    std::unique_ptr<MyClass> ptr1 = std::make_unique<MyClass>();

    // Transfer ownership from ptr1 to ptr2
    std::unique_ptr<MyClass> ptr2 = std::move(ptr1);

    if (!ptr1) {
        std::cout << "ptr1 is now null" << std::endl;
    }

    ptr2->sayHello();  // Access the object through ptr2

    return 0;
}