class simple: public mstch::object { private: int m_value; public: simple(): m_value(10000) { register_methods(this, std::map{ {"name", &simple::name}, {"value", &simple::value}, {"taxed_value", &simple::taxed_value}, {"in_ca", &simple::in_ca}}); } mstch::node name() { return std::string{"Chris"}; } mstch::node value() { return m_value; } mstch::node taxed_value() { return m_value - (m_value * 0.4); } mstch::node in_ca() { return true; } }; const auto simple_data = std::make_shared();