108     ordering_.emplace_front(key, std::forward<Payload>(payload));  in Put()
109     index_.emplace(key, ordering_.begin());  in Put()
110     return ordering_.begin();  in Put()
123     ordering_.splice(ordering_.begin(), ordering_, iter);  in Get()
124     return ordering_.begin();  in Get()
145     ordering_.swap(other.ordering_);  in Swap()
154     return ordering_.erase(pos);  in Erase()
176     ordering_.clear();  in Clear()
183     DCHECK(index_.size() == ordering_.size());  in size()
193   iterator begin() { return ordering_.begin(); }  in begin()
194   const_iterator begin() const { return ordering_.begin(); }  in begin()
195   iterator end() { return ordering_.end(); }  in end()
196   const_iterator end() const { return ordering_.end(); }  in end()
198   reverse_iterator rbegin() { return ordering_.rbegin(); }  in rbegin()
199   const_reverse_iterator rbegin() const { return ordering_.rbegin(); }  in rbegin()
200   reverse_iterator rend() { return ordering_.rend(); }  in rend()
201   const_reverse_iterator rend() const { return ordering_.rend(); }  in rend()
203   bool empty() const { return ordering_.empty(); }  in empty()
210   PayloadList ordering_;  variable