wip

Author: TomAugspurger

doc/source/api.rst

@@ -803,7 +803,20 @@ following usable methods and properties:
    Series.cat.as_ordered
    Series.cat.as_unordered
 
-.. _api.interval:
+.. _api.arrays.integerna:
+
+Integer-NA
+~~~~~~~~~~
+
+:class:`arrays.IntegerArray` can hold integer data, potentially with missing
+values.
+
+.. autosummary::
+   :toctree: generated/
+
+   IntegerArray
+
+.. _api.arrays.interval:
 
 Interval
 ~~~~~~~~
@@ -839,6 +852,20 @@ left, right, or both, or neither sides.
    IntervalArray.overlaps
    IntervalArray.to_tuples
 
+.. _api.arrays.period:
+
+.. autosummary::
+   :toctree: generated/
+
+   PeriodArray
+
+.. _api.arrays.sparse:
+
+.. autosummary::
+   :toctree: generated/
+
+   SparseArray
+
 Plotting
 ~~~~~~~~
 

pandas/arrays/__init__.py

@@ -0,0 +1,17 @@
+"""
+All of pandas' ExtensionArrays and ExtensionDtypes.
+
+See :ref:`extending.extension-types` for more.
+"""
+from pandas.core.arrays import (
+    IntervalArray, PeriodArray, Categorical, SparseArray, IntegerArray,
+)
+
+
+__all__ = [
+    'Categorical',
+    'IntegerArray',
+    'IntervalArray',
+    'PeriodArray',
+    'SparseArray',
+]