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authorRaymond Hettinger <python@rcn.com>2008-01-30 00:01:07 (GMT)
committerRaymond Hettinger <python@rcn.com>2008-01-30 00:01:07 (GMT)
commitabf3fcf39fb3bff4d347296a083a4c62d515dacd (patch)
treea1e753b1c89a53417a2ac71c8dc10ceb9952a5c3
parent867558afd69675be8263a19c3d23b92812a0a62a (diff)
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Add isdisjoint() to the Set/MutableSet ABCs.
-rw-r--r--Lib/_abcoll.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/Lib/_abcoll.py b/Lib/_abcoll.py
index ac967b2..3a84b96 100644
--- a/Lib/_abcoll.py
+++ b/Lib/_abcoll.py
@@ -177,6 +177,12 @@ class Set:
return NotImplemented
return self._from_iterable(value for value in other if value in self)
+ def isdisjoint(self, other):
+ for value in other:
+ if value in self:
+ return False
+ return True
+
def __or__(self, other):
if not isinstance(other, Iterable):
return NotImplemented