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The Pattern
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**The whole logic of an application is in actors.**

Actors can be represented by classes, methods and functions. They are callable code units with any
number of parameters. The name of the parameter represents the **input or output** in the flow.
The illustrated graph graph connects the actor `render` and `store` with the actor `action`.

.. toctree::
   :maxdepth: 2

   dotnet/index.rst
   python/index.rst