From: Raymond Hettinger <python@rcn.com>
Date: Sun, 2 Feb 2003 16:07:53 +0000 (+0000)
Subject: One more use of ifilter()
X-Git-Tag: v2.3c1~2119
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1ecfb73c269f1475d4b2738ef76c20eaecbaa7e9;p=thirdparty%2FPython%2Fcpython.git

One more use of ifilter()
---

diff --git a/Lib/sets.py b/Lib/sets.py
index 5a0167de88bb..c167d960377c 100644
--- a/Lib/sets.py
+++ b/Lib/sets.py
@@ -436,9 +436,8 @@ class Set(BaseSet):
         """Remove all elements of another set from this set."""
         self._binary_sanity_check(other)
         data = self._data
-        for elt in other:
-            if elt in data:
-                del data[elt]
+        for elt in ifilter(data.has_key, other):
+            del data[elt]
         return self
 
     def difference_update(self, other):