(self)
return reversed(tuple(self._queue))
Iterate over all keys in the cache dict, ordered by
        the most recent usage.
Iterate over all keys in the cache dict, ordered by
        the most recent usage.
Iterate over all keys in the cache dict ordered by the most recent usage .
def iterkeys(self):
        """Iterate over all keys in the cache dict, ordered by
        the most recent usage.
        """
        return reversed(tuple(self._queue))
def iterkeys ( self ) : return reversed ( tuple ( self . _queue ) )