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#22237: document that sorted() is guaranteed to be stable. Initial patch by Martin Panter.

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Ezio Melotti 2014-10-28 12:57:11 +01:00
parent 16e7f97bcb
commit 9b1e92f5a1
2 changed files with 8 additions and 1 deletions
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Doc/library/heapq.rst
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@ -123,7 +123,6 @@ pushing all values onto a heap and then popping off the smallest values one at a
time::
>>> def heapsort(iterable):
... 'Equivalent to sorted(iterable)'
... h = []
... for value in iterable:
... heappush(h, value)
@ -132,6 +131,9 @@ time::
>>> heapsort([1, 3, 5, 7, 9, 2, 4, 6, 8, 0])
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
This is similar to ``sorted(iterable)``, but unlike :func:`sorted`, this
implementation is not stable.
Heap elements can be tuples. This is useful for assigning comparison values
(such as task priorities) alongside the main record being tracked::