it.description">Description</a>
        </h6>
<p>
          Appends n bytes from the start of the writable bytes to the end of the
          readable bytes. The remainder of the writable bytes are discarded. If n
          is greater than the number of writable bytes, all writable bytes are appended
          to the readable bytes. All buffers sequences previously obtained using
          <a class="link" href="data.html" title="flat_static_buffer::data"><code class="computeroutput"><span class="identifier">