========= Optionals ========= Satella provides a set of routines to use with optionals: .. autofunction:: satella.coding.optionals.call_if_nnone .. autofunction:: satella.coding.optionals.iterate_if_nnone .. autoclass:: satella.coding.optionals.Optional :members: To extract the value from an :class:`~satella.coding.optionals.Optional` you may use: .. autofunction:: satella.coding.optionals.extract_optional