code: def add(self, key, val, time = 0, min_compress_len = 0):
          '''
          Add new key with value.
  
          Like L{set}, but only stores in memcache if the key doesn't already exist.
  
          @return: Nonzero on success.
          @rtype: int
          '''
          return self._set("add", key, val, time, min_compress_lenf add(self, key, val, time = 0, min_compress_len = 0):
          '''
          Add new key with value.
  
          Like L{set}, but only stores in memcache if the key doesn't already exist.
  
          @return: Nonzero on success.
          @rtype: int
          '''
          return self._set("add", key, val, time, min_compress_len)
docs: Add new key with value.
  
          Like L{set}, but only stores in memcache if the key doesn't already exist.
  
          @return: Nonzero on success.
          @rtype: int