General Set API
===============


From the `Python documentation <https://docs.python.org/3/library/collections.abc.html>`__.


+----------------------------------------------------------+----------------------------------------------+-------------------------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Class                                                    | Inherits from                                | Abstract methods                                                  | Mixin methods                                                                                                                                                                                                                                                                                                                  |
+==========================================================+==============================================+===================================================================+================================================================================================================================================================================================================================================================================================================================+
| :class:`collections.abc.Set`                             | :class:`collections.abc.Collection`          | ``__contains__``, ``__iter__``, ``__len__``                       | ``__le__``, ``__lt__``, ``__eq__``, ``__ne__``, ``__gt__``, ``__ge__``, ``__and__``, ``__or__``, ``__sub__``, ``__xor__``, and ``isdisjoint``                                                                                                                                                                                  |
+----------------------------------------------------------+----------------------------------------------+-------------------------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :class:`collections.abc.MutableSet`                      | :class:`collections.abc.Set`                 | ``__contains__``, ``__iter__``, ``__len__``, ``add``, ``discard`` | Inherited ``Set`` methods and ``clear``, ``pop``, ``remove``, ``__ior__``, ``__iand__``, ``__ixor__``, and ``__isub__``                                                                                                                                                                                                        |
+----------------------------------------------------------+----------------------------------------------+-------------------------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :class:`set`                                             | ---                                          |                                                                   | :class:`collections.abc.MutableSet` methods and ``__rand__``, ``__ror__``, ``__rsub__``, ``__rxor__``, ``copy``, ``difference``, ``difference_update``, ``discard``, ``intersection``, ``intersection_update``, ``issubset``, ``issuperset``, ``symmetric_difference``, ``symmetric_difference_update``, ``union``, ``update`` |
+----------------------------------------------------------+----------------------------------------------+-------------------------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :class:`frozenset`                                       | ---                                          |                                                                   | :class:`collections.abc.Set` methods and ``__rand__``, ``__ror__``, ``__rsub__``, ``__rxor__``, ``copy``, ``difference``, ``intersection``, ``symmetric_difference``, ``union``                                                                                                                                                |
+----------------------------------------------------------+----------------------------------------------+-------------------------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :class:`typing.AbstractSet` (deprecated since 3.9)       | equal to :class:`collections.abc.Set`        |                                                                   |                                                                                                                                                                                                                                                                                                                                |
+----------------------------------------------------------+----------------------------------------------+-------------------------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :class:`typing.Set` (deprecated since 3.9)               | equal to :class:`set`                        |                                                                   |                                                                                                                                                                                                                                                                                                                                |
+----------------------------------------------------------+----------------------------------------------+-------------------------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :class:`typing.MutableSet` (deprecated since 3.9)        | equal to :class:`collections.abc.MutableSet` |                                                                   |                                                                                                                                                                                                                                                                                                                                |
+----------------------------------------------------------+----------------------------------------------+-------------------------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :class:`typing.FrozenSet` (deprecated since 3.9)         | equal to :class:`frozenset`                  |                                                                   |                                                                                                                                                                                                                                                                                                                                |
+----------------------------------------------------------+----------------------------------------------+-------------------------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+