class K {
    public:
        K() { }
        K& operator=(const K&) { printf("copy assigment\n"); return *this; }
        K& operator=(K&&) { printf("move assignment\n"); return *this; }
    };

    inline void fun(const K& k) {
        K p;
        p = k;
    }

    inline void fun(K&& k) {
        K p;
        p = k;
    }