One more use of ifilter()

2003-02-02 16:07:53 +00:00 · 2003-02-02 16:07:53 +00:00 · 1ecfb73c26
parent a3a53180c0
commit 1ecfb73c26
1 changed files with 2 additions and 3 deletions
--- 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):