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| author | Raymond Hettinger <python@rcn.com> | 2014-05-04 04:58:45 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2014-05-04 04:58:45 (GMT) |
| commit | 53d2c41f77ab7658a1380bc304946b4920e5b49b (patch) | |
| tree | 8bd81a22a224983b3376357c8afa0c6988244665 /Lib/collections/__init__.py | |
| parent | 71ac07f8baf21bf7a116e97accc12804f1afcdd4 (diff) | |
| download | cpython-53d2c41f77ab7658a1380bc304946b4920e5b49b.zip cpython-53d2c41f77ab7658a1380bc304946b4920e5b49b.tar.gz cpython-53d2c41f77ab7658a1380bc304946b4920e5b49b.tar.bz2 | |
Issue #19414: Have the OrderedDict mark deleted links as unusable.
This gives an earlier and more visible failure if a link is deleted
during iteration.
Diffstat (limited to 'Lib/collections/__init__.py')
| -rw-r--r-- | Lib/collections/__init__.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py index 3605cc3..a55fee1 100644 --- a/Lib/collections/__init__.py +++ b/Lib/collections/__init__.py @@ -96,6 +96,8 @@ class OrderedDict(dict): link_next = link.next link_prev.next = link_next link_next.prev = link_prev + link.prev = None + link.next = None def __iter__(self): 'od.__iter__() <==> iter(od)' |