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(parent: 328ec74) | patch
Improve iteration speed by only proxying back links.
authorRaymond Hettinger <python@rcn.com>
Tue, 14 Sep 2010 19:40:15 +0000 (19:40 +0000)
committerRaymond Hettinger <python@rcn.com>
Tue, 14 Sep 2010 19:40:15 +0000 (19:40 +0000)
commitf7328d026be6c2ee0bdd8dac32243f73b6b0563a
tree7561facfb16a296b94a81652a69752313f2d7b11tree | snapshot
parent328ec7455f11f14cb4bf7077c6a4fa48b2356433commit | diff
Improve iteration speed by only proxying back links.
The forward links are hard references.
The sentinel element is also a weakref proxy
(to break a forward cylce wrapping around the sentinel).
Lib/collections.py diff | blob | blame | history
Mirror of https://github.com/python/cpython.git