From cd06eeb20cff9af7d21c87222e1267b80012ce92 Mon Sep 17 00:00:00 2001 From: Tim Peters Date: Sun, 25 Aug 2002 20:12:19 +0000 Subject: [PATCH] Gave issubet() and issuperset() major speed boosts. That's it for now! Someone else may want to tackle the mutating operations similarly. --- Lib/sets.py | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/Lib/sets.py b/Lib/sets.py index 466537387a6..e33464b58e2 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