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| -rw-r--r-- | Doc/library/collections.rst | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst index a860a53..4ef0ca4 100644 --- a/Doc/library/collections.rst +++ b/Doc/library/collections.rst @@ -147,8 +147,12 @@ Notes on using :class:`Set` and :class:`MutableSet` as a mixin: inherit from both :meth:`Set` and :meth:`Hashable`, then define ``__hash__ = Set._hash``. -(For more about ABCs, see the :mod:`abc` module and :pep:`3119`.) +.. seealso:: + + * `OrderedSet recipe <http://code.activestate.com/recipes/576694/>`_ for an + example built on :class:`MutableSet`. + * For more about ABCs, see the :mod:`abc` module and :pep:`3119`. .. _deque-objects: |