# HG changeset patch
# User Lucas Moscovicz <lmoscovicz@fb.com>
# Date 1394735771 25200
# Node ID d4f2f2d7421049d5f3ea39c8f47a3eec3e04ffdd
# Parent  c3e49b127de05e1f48ba464e40a3f82cb4d7541b
revset: changed spanset to extend _orderedsetmixin

Now spanset can use the lazy min and max methods implementation.

diff -r c3e49b127de0 -r d4f2f2d74210 mercurial/revset.py
--- a/mercurial/revset.py	Wed Mar 12 16:40:18 2014 -0700
+++ b/mercurial/revset.py	Thu Mar 13 11:36:11 2014 -0700
@@ -2692,7 +2692,7 @@
         self._cache[x] = False
         return False
 
-class spanset(object):
+class spanset(_orderedsetmixin):
     """Duck type for baseset class which represents a range of revisions and
     can work lazily and without having all the range in memory