57 virtual const T&
front()
const = 0;
std::reverse_iterator< iterator > reverse_iterator
abstract_const_iterator::iterator_wrapper const_iterator
abstract_iterator::iterator_wrapper iterator
std::reverse_iterator< const_iterator > const_reverse_iterator
virtual const T & front() const =0
virtual void push_front(const T &aValue)=0
virtual void pop_front()=0