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| -rw-r--r-- | Doc/library/collections.rst | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst index 1575476..dc1a70e 100644 --- a/Doc/library/collections.rst +++ b/Doc/library/collections.rst @@ -294,22 +294,29 @@ are undefined for negative inputs:: >>> e Counter({'a': 8}) -**References**: +.. seealso:: -* Wikipedia entry for `Multisets <http://en.wikipedia.org/wiki/Multiset>`_ + * `Bag class <http://www.gnu.org/software/smalltalk/manual-base/html_node/Bag.html>`_ + in Smalltalk. -* `Bag class <http://www.gnu.org/software/smalltalk/manual-base/html_node/Bag.html>`_ - in Smalltalk -* `C++ multisets <http://www.demo2s.com/Tutorial/Cpp/0380__set-multiset/Catalog0380__set-multiset.htm>`_ - tutorial with standalone examples + * An early Python `Bag recipe <http://code.activestate.com/recipes/259174/>`_ + for Python 2.4 and a `Counter <http://code.activestate.com/recipes/576611/>`_ + comformant recipe for Python 2.5 and later. -* An early Python `Bag <http://code.activestate.com/recipes/259174/>`_ recipe - for Python 2.4 and a `Counter <http://code.activestate.com/recipes/576611/>`_ - comformant recipe for Python 2.5 and later + * Wikipedia entry for `Multisets <http://en.wikipedia.org/wiki/Multiset>`_\. -* Use cases for multisets and mathematical operations on multisets. - Knuth, Donald. The Art of Computer Programming Volume II, - Section 4.6.3, Exercise 19 + * `C++ multisets <http://www.demo2s.com/Tutorial/Cpp/0380__set-multiset/Catalog0380__set-multiset.htm>`_ + tutorial with standalone examples. + + * For use cases for multisets and mathematical operations on multisets, see + *Knuth, Donald. The Art of Computer Programming Volume II, + Section 4.6.3, Exercise 19*\. + + * To enumerate all possible distinct multisets of a given size over a given + set of inputs, see the :func:`combinations_with_replacement` function in + the :ref:`itertools-recipes` for itertools:: + + map(Counter, combinations_with_replacement('abc', 2)) --> AA AB AC BB BC CC :class:`deque` objects |