--- a/mercurial/revset.py Mon Oct 06 12:52:36 2014 -0700
+++ b/mercurial/revset.py Mon Oct 06 14:42:00 2014 -0700
@@ -2387,6 +2387,16 @@
This is part of the mandatory API for smartset."""
return False
+ def first(self):
+ if self:
+ return self[0]
+ return None
+
+ def last(self):
+ if self:
+ return self[-1]
+ return None
+
class filteredset(abstractsmartset):
"""Duck type for baseset class which iterates lazily over the revisions in
the subset and contains a function which tests for membership in the