Method add

memcache/memcache.go:616–618

(rw *bufio.ReadWriter, item *Item)

}

func (c *Client) add(rw *bufio.ReadWriter, item *Item) error {
	return c.populateOne(rw, "add", item)
}

// Replace writes the given item, but only if the server *does*
// already hold data for this key