Container               A sequence container
ContainerS3             Container S3 interface
ContainerS3op           Container operators
Deque                   Deque (double-ended queue)
DequeDictS3funcs        Deque and Dict S3 member functions
Dict                    A Dict class
Iterable                Iterable abstract class interface
Iterator                Iterator
Set                     A Set class
container.pkg           Container, Deque, Set, and Dict (aka Map) - R6
                        based container classes with iterators and
                        reference semantics.
dequeS3                 Deque (double-ended queue) constructors
dequeS3binOp            Binary deque operators
dictS3                  Dict constructors
dictS3binOp             Binary dict operators
dictS3replace           Extract or replace 'Dict' values
setS3                   Set constructors
setS3binOp              Binary set operators
