Function get_overload

include/pybind11/pybind11.h:3946–3948

template <class T>
inline function get_overload(const T *this_ptr, const char *name) {
    return get_override(this_ptr, name);
}

#define PYBIND11_OVERLOAD_INT(ret_type, cname, name, ...)                                         \
    PYBIND11_OVERRIDE_IMPL(PYBIND11_TYPE(ret_type), PYBIND11_TYPE(cname), name, __VA_ARGS__)