# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@fb.com>
# Date 1412295700 18000
# Node ID bf5ff3686100e565ba9eebe505e9b125da1a8581
# Parent  0f3e240a1c35bb5fbb91244d48aad452005b0ef4
abstractsmartset: add default implementation for __and__

diff -r 0f3e240a1c35 -r bf5ff3686100 mercurial/revset.py
--- a/mercurial/revset.py	Wed Oct 01 00:26:50 2014 -0500
+++ b/mercurial/revset.py	Thu Oct 02 19:21:40 2014 -0500
@@ -2274,7 +2274,7 @@
         """Returns a new object with the intersection of the two collections.
 
         This is part of the mandatory API for smartset."""
-        raise NotImplementedError()
+        return self.filter(other.__contains__)
 
     def __add__(self, other):
         """Returns a new object with the union of the two collections.