Method ~MyObject3

tests/test_smart_ptr.cpp:117–117

    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); }

private:
    int value;