- boost::function<std::vector<T> ()> get,
- boost::function<void (std::vector<T>)> set,
- boost::function<std::string (T, int)> column,
+ std::function<std::vector<T> ()> get,
+ std::function<void (std::vector<T>)> set,
+ std::function<std::string (T, int)> column,