template<typename T_ret, typename... T_args>
class ClassFunction {
        T_ret(*mFunc)(T_args...);
    public:
        ClassFunction(T_ret(*f)(T_args...)){
            mFunc = f;
        }
        T_ret operator()(T_args... a){
            return mFunc(a...);
        }
};

class SomeTestClass {
    public:
        ClassFunction<void> Hurr;
        SomeTestClass():
            Hurr([](){
                print("LAWL :3");
            }){}
};

int main(){
    SomeTestClass test;
    test.Hurr();
    return 0;
}