/**
Returns the last item of the list.
*/
- reference back() const;
+ reference back();
/**
Returns the last item of the list as a const reference.
/**
Returns an iterator pointing to the beginning of the list.
*/
- iterator begin() const;
+ iterator begin();
/**
Returns a const iterator pointing to the beginning of the list.
/**
Adds an item to end of the list.
*/
- void push_back();
+ void push_back(const_reference v = value_type());
/**
Adds an item to the front of the list.
*/
- void push_front();
+ void push_front(const_reference v = value_type());
/**
Returns a reverse iterator pointing to the beginning of the
reversed list.
*/
- reverse_iterator rbegin() const;
+ reverse_iterator rbegin();
/**
Returns a const reverse iterator pointing to the beginning of the
Returns a reverse iterator pointing to the end of the
reversed list.
*/
- reverse_iterator rend() const;
+ reverse_iterator rend();
/**
Returns a const reverse iterator pointing to the end of the