From 454602f0f7a0adf26904b6a700483c9386646788 Mon Sep 17 00:00:00 2001 From: Tim Peters Date: Mon, 26 Aug 2002 00:44:07 +0000 Subject: Gave intersection_update a speed boost. --- Lib/sets.py | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/Lib/sets.py b/Lib/sets.py index e33464b..5007709 100644 --- a/Lib/sets.py +++ b/Lib/sets.py @@ -380,9 +380,7 @@ class Set(BaseSet): def __iand__(self, other): """Update a set with the intersection of itself and another.""" self._binary_sanity_check(other) - for elt in self._data.keys(): - if elt not in other: - del self._data[elt] + self._data = (self & other)._data return self def intersection_update(self, other): -- cgit v0.12