``tornado.gen`` --- Simplify asynchronous code
==============================================

.. automodule:: tornado.gen

   Decorator
   ---------

   .. autofunction:: engine

   Yield points
   ------------

   Instances of the following classes may be used in yield expressions
   in the generator.  

   .. autoclass:: Task

   .. autoclass:: Callback

   .. autoclass:: Wait

   .. autoclass:: WaitAll

   Other classes
   -------------

   .. autoclass:: Arguments