[Boost-users] problem in returning mpl::list

Hi I am trying to write a meta-function class, receiving a list as argument and returning the reduced list by poping one element from the front. Here is my code struct Poplist {     template<class seq>     struct apply     {         typedef pop_front<seq>::type res;         static const int value = size<seq>::value;     };    }; int main() {       typedef list_c numbers;       cout<