py: Implement builtin reversed() function.

reversed function now implemented, and works for tuple, list, str, bytes
and user objects with __len__ and __getitem__.

Renamed mp_builtin_len to mp_obj_len to make it publically available (eg
for reversed).

1 files changed, 1 insertions, 0 deletions

diff --git a/py/qstrdefs.h b/py/qstrdefs.h
index 6470cb9509..9a6953d01f 100644
--- a/py/qstrdefs.h
+++ b/py/qstrdefs.h
@@ -175,6 +175,7 @@ Q(print)
 Q(range)
 Q(read)
 Q(repr)
+Q(reversed)
 Q(set)
 Q(sorted)
 Q(staticmethod)