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| author | Andrew M. Kuchling <amk@amk.ca> | 2008-03-06 01:36:27 (GMT) |
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| committer | Andrew M. Kuchling <amk@amk.ca> | 2008-03-06 01:36:27 (GMT) |
| commit | 1d136bb91ee0e8a13f94fc456d7488fe3c3ef795 (patch) | |
| tree | d19554130328e23c29599db1b9b645a58e0efec5 | |
| parent | 040f10e9b3b671343286eaf95c549d3b2fc8a734 (diff) | |
| download | cpython-1d136bb91ee0e8a13f94fc456d7488fe3c3ef795.zip cpython-1d136bb91ee0e8a13f94fc456d7488fe3c3ef795.tar.gz cpython-1d136bb91ee0e8a13f94fc456d7488fe3c3ef795.tar.bz2 | |
Add two items
| -rw-r--r-- | Doc/whatsnew/2.6.rst | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/Doc/whatsnew/2.6.rst b/Doc/whatsnew/2.6.rst index 1ee812d..20f17c7 100644 --- a/Doc/whatsnew/2.6.rst +++ b/Doc/whatsnew/2.6.rst @@ -1157,7 +1157,7 @@ complete list of changes, or look through the CVS logs for all the details. (2, 3, 1, 3), (2, 3, 1, 4), (2, 3, 2, 3), (2, 3, 2, 4), (2, 4, 1, 3), (2, 4, 1, 4), (2, 4, 2, 3), (2, 4, 2, 4)] - ``combinations(iter, r)`` returns combinations of length *r* from + ``combinations(iter, r)`` returns sub-sequences of length *r* from the elements of *iterable*. :: itertools.combinations('123', 2) -> @@ -1170,14 +1170,18 @@ complete list of changes, or look through the CVS logs for all the details. [('1', '2', '3'), ('1', '2', '4'), ('1', '3', '4'), ('2', '3', '4')] - ``permutations(iter[, r])`` returns all the permutations of length *r* from + ``permutations(iter[, r])`` returns all the permutations of length *r* of the iterable's elements. If *r* is not specified, it will default to the number of elements produced by the iterable. - XXX enter example once Raymond commits the code. + itertools.permutations([1,2,3,4], 2) -> + [(1, 2), (1, 3), (1, 4), + (2, 1), (2, 3), (2, 4), + (3, 1), (3, 2), (3, 4), + (4, 1), (4, 2), (4, 3)] ``itertools.chain(*iterables)` is an existing function in - :mod:`itertools` that gained a new constructor. + :mod:`itertools` that gained a new constructor in Python 2.6. ``itertools.chain.from_iterable(iterable)`` takes a single iterable that should return other iterables. :func:`chain` will then return all the elements of the first iterable, then @@ -1411,6 +1415,10 @@ complete list of changes, or look through the CVS logs for all the details. by Michael Pomraning.) .. Patch #742598 + +* The :mod:`struct` module now supports the C99 :ctype:`_Bool` type, + using the format character ``'?'``. + (Contributed by David Remahl.) * A new variable in the :mod:`sys` module, :attr:`float_info`, is an object |