def cmd_OK(self):
        self._current.popleft().success(True)
Same generator as __iter__, but yield only the chosen indexes
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/protocols/memcache.py/MemCacheProtocol.cmd_OK--crossover with--dataset/ETHPy150Open lisa-lab/pylearn2/pylearn2/utils/datasets.py/BatchIterator.by_index