#ifndef MENU_SYSTEM_H_205861EC #define MENU_SYSTEM_H_205861EC #include "system.h" class Game; class MenuSystem : public System { public: static constexpr SystemKey Key = SystemKey::Menu; explicit MenuSystem(Game& game) : game_(game) {} private: Game& game_; }; #endif /* end of include guard: MENU_SYSTEM_H_205861EC */