Class B1

internal/tests/core/test/test_base_object.cpp:60–68

};

class B1 : public B0
{
public:
    B1()
    {
        (*this)["b1_obj"] = 1;
    }
    REGISTER_CLASS_ATTR_OPS(B0);
};

void show_string_vector(const std::vector<std::string>& vec)
{