diff options
Diffstat (limited to 'lib/sqlalchemy/util.py')
| -rw-r--r-- | lib/sqlalchemy/util.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/sqlalchemy/util.py b/lib/sqlalchemy/util.py index 98d3a70f1..85bbfdc5a 100644 --- a/lib/sqlalchemy/util.py +++ b/lib/sqlalchemy/util.py @@ -255,6 +255,8 @@ class HashSet(object): return self.map.has_key(item) def clear(self): self.map.clear() + def intersection(self, l): + return HashSet([x for x in l if self.contains(x)]) def empty(self): return len(self.map) == 0 def append(self, item): |