decltype(auto) look_up_a_string_1() { return lookup1(); } void look_up_a_string_2() { return lookup2(); } friend void A::showB(B x) {} friend void showB(B x) {} friend void showB(B::SomeType x) {} inline int add(int a, int b) {} int8t Get_Tile_Value() {}

int8_t Get_Tile_Value() {}

B::type test() {};

// template boost::optional<application> handle_key(application state, key_code key, coord size);

test();