pybind11/tests/test_smart_ptr.cpp

97     class MyObject1 : public Object {
99         MyObject1(int value) : value(value) { print_created(this, toString()); }
100         std::string toString() const { return "MyObject1[" + std::to_string(value) + "]"; }
102         virtual ~MyObject1() { print_destroyed(this); }
106     py::class_<MyObject1, ref<MyObject1>>(m, "MyObject1", obj)
108     py::implicitly_convertible<py::int_, MyObject1>();
110     m.def("make_object_1", []() -> Object * { return new MyObject1(1); });
111     m.def("make_object_2", []() -> ref<Object> { return new MyObject1(2); });
112     m.def("make_myobject1_1", []() -> MyObject1 * { return new MyObject1(4); });
113     m.def("make_myobject1_2", []() -> ref<MyObject1> { return new MyObject1(5); });
118     m.def("print_myobject1_1", [](const MyObject1 *obj) { py::print(obj->toString()); });
119     m.def("print_myobject1_2", [](ref<MyObject1> obj) { py::print(obj->toString()); });
120     m.def("print_myobject1_3", [](const ref<MyObject1> &obj) { py::print(obj->toString()); });
121     m.def("print_myobject1_4", [](const ref<MyObject1> *obj) { py::print((*obj)->toString()); });
167         ref<MyObject1> o = new MyObject1(0);