ass="computeroutput"><span class="identifier">ns</span></code>.
                      This generator never fails (unless the underlying output stream
                      reports an error).
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">ns</span><span class="special">::</span><span class="identifier">string</span><span class="special">(</span><span class="identifier">s</span><span class="sp