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author | Tim Peters <tim.peters@gmail.com> | 2002-08-25 20:12:19 +0000 |
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committer | Tim Peters <tim.peters@gmail.com> | 2002-08-25 20:12:19 +0000 |
commit | 3198c2abefb83d40d64bf873f55b782074e7a042 (patch) | |
tree | c81cc9a4f055996f5a9c247e83a177698a3a48f2 /Lib/sets.py | |
parent | 118a737f3326c9e05d09982781a029fe51b23c37 (diff) | |
download | cpython-3198c2abefb83d40d64bf873f55b782074e7a042.tar.gz |
Gave issubet() and issuperset() major speed boosts. That's it for now!
Someone else may want to tackle the mutating operations similarly.
Diffstat (limited to 'Lib/sets.py')
-rw-r--r-- | Lib/sets.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Lib/sets.py b/Lib/sets.py index 466537387a..e33464b58e 100644 --- a/Lib/sets.py +++ b/Lib/sets.py @@ -259,8 +259,9 @@ class BaseSet(object): self._binary_sanity_check(other) if len(self) > len(other): # Fast check for obvious cases return False + otherdata = other._data for elt in self: - if elt not in other: + if elt not in otherdata: return False return True @@ -269,8 +270,9 @@ class BaseSet(object): self._binary_sanity_check(other) if len(self) < len(other): # Fast check for obvious cases return False + selfdata = self._data for elt in other: - if elt not in self: + if elt not in selfdata: return False return True |