#pragma once #include #include #include namespace ki { class runtime_error : public std::runtime_error { public: explicit runtime_error(const std::string &message) : std::runtime_error(message) {} }; class cast_error : public std::exception { public: cast_error(const std::type_info &src_type, const std::type_info &dest_type) { std::ostringstream oss; oss << "Cannot cast from " << src_type.name() << " to " << dest_type.name() << "."; m_what = oss.str(); } char const* what() const override { return m_what.c_str(); } private: std::string m_what; }; }