pybind11/tests/test_pickling.cpp

14     class Pickleable {
16         Pickleable(const std::string &value) : m_value(value) { }
29     class PickleableNew : public Pickleable {
31         using Pickleable::Pickleable;
34     py::class_<Pickleable>(m, "Pickleable")
36         .def("value", &Pickleable::value)
37         .def("extra1", &Pickleable::extra1)
38         .def("extra2", &Pickleable::extra2)
39         .def("setExtra1", &Pickleable::setExtra1)
40         .def("setExtra2", &Pickleable::setExtra2)
43         .def("__getstate__", [](const Pickleable &p) {
47         .def("__setstate__", [](Pickleable &p, py::tuple t) {
51             new (&p) Pickleable(t[0].cast<std::string>());
58     py::class_<PickleableNew, Pickleable>(m, "PickleableNew")