 
   # When registering a processing handler function, **Fairy** will immediately
   # start polling tasks and process them on present.
+  #
+  #     queue.regist (param1, param2, callback) ->
+  #       console.log param1, param2
+  #       callback()
   regist: (@handler) => @poll()
 
   # ### Poll New Task

  #   JSON array, **the first argument will be served as the group identifier**
  #   to ensure sequential processing for all tasks of the same group (aka.
  #   first-come-first-serve). Current time is appended at the argument array
  #   for statistics.
  # 
  # No transactions are needed for enqueuing tasks.
  enqueue: (args..., callback) =>


  # ### Function to Resolve Key Name

  # **Private** method to generate (`FAIRY`) prefixed and (queue name) suffixed keys. Keys
  # used by objects of class `Queue` include:
  #
  #   + `SOURCE`, Redis list, tasks reside in `SOURCE` when enqueued.
