def prepend(self, key, val):
        # Even if flags and expTime values are ignored, we have to pass them
        return self._set("prepend", key, val, 0, 0, "")
Prepend given data to the value of an existing key.
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/protocols/memcache.py/MemCacheProtocol.prepend