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author | Georg Brandl <georg@python.org> | 2009-05-25 21:13:36 (GMT) |
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committer | Georg Brandl <georg@python.org> | 2009-05-25 21:13:36 (GMT) |
commit | 8a1e4c4b6433522ff20528e87b642e4316bd2bd6 (patch) | |
tree | 34f4e397b78bfa4d45ff63fd569b22a5320e4993 /Doc/reference/datamodel.rst | |
parent | 0c31562a913e9a49842bd73c04847861c23774f1 (diff) | |
download | cpython-8a1e4c4b6433522ff20528e87b642e4316bd2bd6.zip cpython-8a1e4c4b6433522ff20528e87b642e4316bd2bd6.tar.gz cpython-8a1e4c4b6433522ff20528e87b642e4316bd2bd6.tar.bz2 |
Merged revisions 72661,72675-72677,72679,72712,72801,72820 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r72661 | georg.brandl | 2009-05-15 10:03:03 +0200 (Fr, 15 Mai 2009) | 1 line
Fix example output for doctest-like demos.
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r72675 | georg.brandl | 2009-05-16 13:13:21 +0200 (Sa, 16 Mai 2009) | 1 line
#6034: clarify __reversed__ doc.
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r72676 | georg.brandl | 2009-05-16 13:14:46 +0200 (Sa, 16 Mai 2009) | 1 line
#6025: fix signature of parse().
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r72677 | georg.brandl | 2009-05-16 13:18:55 +0200 (Sa, 16 Mai 2009) | 1 line
#6009: undocument default argument of Option as deprecated.
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r72679 | georg.brandl | 2009-05-16 13:24:41 +0200 (Sa, 16 Mai 2009) | 1 line
Fix about and bugs pages to match real workflow.
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r72712 | georg.brandl | 2009-05-17 10:55:00 +0200 (So, 17 Mai 2009) | 1 line
#5935: mention that BROWSER is looked for in PATH.
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r72801 | georg.brandl | 2009-05-20 20:31:14 +0200 (Mi, 20 Mai 2009) | 1 line
#6055: refer to "sqlite3" consistently.
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r72820 | georg.brandl | 2009-05-22 09:23:32 +0200 (Fr, 22 Mai 2009) | 1 line
Use raise X(y).
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Diffstat (limited to 'Doc/reference/datamodel.rst')
-rw-r--r-- | Doc/reference/datamodel.rst | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst index 83d2358..2161706 100644 --- a/Doc/reference/datamodel.rst +++ b/Doc/reference/datamodel.rst @@ -1700,11 +1700,11 @@ through the container; for mappings, :meth:`__iter__` should be the same as reverse iteration. It should return a new iterator object that iterates over all the objects in the container in reverse order. - If the :meth:`__reversed__` method is not provided, the - :func:`reversed` builtin will fall back to using the sequence protocol - (:meth:`__len__` and :meth:`__getitem__`). Objects should normally - only provide :meth:`__reversed__` if they do not support the sequence - protocol and an efficient implementation of reverse iteration is possible. + If the :meth:`__reversed__` method is not provided, the :func:`reversed` + builtin will fall back to using the sequence protocol (:meth:`__len__` and + :meth:`__getitem__`). Objects that support the sequence protocol should + only provide :meth:`__reversed__` if they can provide an implementation + that is more efficient than the one provided by :func:`reversed`. The membership test operators (:keyword:`in` and :keyword:`not in`) are normally |