template <typename Alpha>
std::map<typename Alpha::Characters, size_t> Sequence<Alpha>::statistics() const{

    typename Sequence<Alpha>::const_iterator it = cbegin();

    std::map<typename Alpha::Characters, size_t> newMap;


    for(it; it != cend(); it++){

        auto temp = newMap.emplace((*it)->to_char, 0);

    }
}