# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@fb.com>
# Date 1412296926 18000
# Node ID 3ed3ca4dfd313fbbc395a6cf2a450aa9da3158f8
# Parent  eccf9907b8449a6c2bfd95539e6b583c99c50782
addset: promote to real smartset

Better revset performance are also achieved with less overlay. There is no good
reason for addset to not be a smartset. We can replace the `_orderedsetmixin`
inheritance since `abstractsmartset` has efficient min and max too.

diff -r eccf9907b844 -r 3ed3ca4dfd31 mercurial/revset.py
--- a/mercurial/revset.py	Fri Oct 03 00:12:22 2014 -0500
+++ b/mercurial/revset.py	Thu Oct 02 19:42:06 2014 -0500
@@ -2554,7 +2554,7 @@
         self._subset.reverse()
         self._ascending = not self._ascending
 
-class _addset(_orderedsetmixin):
+class _addset(abstractsmartset):
     """Represent the addition of two sets
 
     Wrapper structure for lazily adding two structures without losing much