Add MutableSet example.

399ff099 · Raymond Hettinger · 7e6cf31c · 399ff099
Commit 399ff099 authored Mar 20, 2009 by Raymond Hettinger
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Doc/library/collections.rst Doc/library/collections.rst +5 -1

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--- 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: