Deque                   Double Ended Queue
DequeL                  Double Ended Queue (R implementation)
Dict                    Dictionary
DictL                   Dictionary (R implementation)
OrderedDict             Ordered Dictionary
OrderedDictL            Ordered Dictionary (R implementation)
PriorityQueue           Priority Queue
Queue                   Queue
QueueL                  QueueL (R implementation)
Stack                   Stack
StackL                  StackL (R implementation)
collections-package     collections: High Performance Container Data
                        Types
