# HG changeset patch
# User Simon Whitaker <swhitaker@fb.com>
# Date 2017-10-01 15:46:02
# Node ID 7d2f71b7bc31acf1290ad3211481c5c77345a1da
# Parent  b6692ba7d5b04d841071fb35eb28faf801e5bb95

dirstate: implement __len__ on dirstatemap (issue5695)

Differential Revision: https://phab.mercurial-scm.org/D884

diff --git a/mercurial/dirstate.py b/mercurial/dirstate.py
--- a/mercurial/dirstate.py
+++ b/mercurial/dirstate.py
@@ -1300,6 +1300,9 @@ class dirstatemap(object):
     def iteritems(self):
         return self._map.iteritems()
 
+    def __len__(self):
+        return len(self._map)
+
     def __iter__(self):
         return iter(self._map)