backtrace               Back trace the expressions evaluated when an
                        error was caught
cancel                  Cancel a future
cluster                 Create a cluster future whose value will be
                        resolved asynchronously in a parallel process
future                  Create a future
futureAssign            Create a future assignment
futureOf                Get the future of a future variable
futureSessionInfo       Get future-specific session information and
                        validate current backend
futures                 Get all futures in a container
multicore               Create a multicore future whose value will be
                        resolved asynchronously in a forked parallel
                        process
multisession            Create a multisession future whose value will
                        be resolved asynchronously in a parallel R
                        session
nbrOfWorkers            Get the number of workers available
plan                    Plan how to resolve a future
reset                   Reset a finished, failed, canceled, or
                        interrupted future to a lazy future
resolve                 Resolve one or more futures synchronously
resolved.ClusterFuture
                        Check whether a future is resolved or not
sequential              Create a sequential future whose value will be
                        in the current R session
value                   The value of a future or the values of all
                        elements in a container
zzz-future.options      Options used for futures
