terator(data: Data): Iterator</a></li>

</ul>
<ul class="simple nested-toc-section">next
  <li><a class="reference" href="#next%2CIterator" title="next(iter: var Iterator): ptr string">next(iter: var Iterator): ptr string</a></li>

</ul>
<ul class="simple nested-toc-section">whitespace
  <li><a class="reference" href="#whitespace%2CNatural" title="whitespace(length: Natural): string">whitespace(length: Natural): string</a></li>

</ul>

    </ul>
  </details>
</li>
<li>
  <details open>
    <summary><a class