Lines Matching refs:None
20 return None; in get()
35 return None; in set()
69 None in first_index()
80 None in first_false_index()
91 None in last_index()
122 None in last_false_index()
128 return None; in next_index()
145 None in next_index()
151 return None; in next_false_index()
168 None in next_false_index()
174 return None; in prev_index()
190 None in prev_index()
208 None in prev_false_index()
260 return None; in make_index()