Method MyObject3

tests/test_smart_ptr.cpp:114–114

class MyObject3 : public std::enable_shared_from_this<MyObject3> {
public:
    MyObject3(const MyObject3 &) = default;
    explicit MyObject3(int value) : value(value) { print_created(this, toString()); }
    std::string toString() const { return "MyObject3[" + std::to_string(value) + "]"; }
    virtual ~MyObject3() { print_destroyed(this); }