r
    longer than <a href="Sys.html#VALmax_string_length"><code class="code">Sys.max_string_length</code></a> bytes.</li>
</ul>
</div>

<pre id="VALfill">val fill : bytes -&gt; pos:int -&gt; len:int -&gt; char -&gt; unit</pre><div class="info ">
<div class="info-desc">
<p><code class="code">fill&nbsp;s&nbsp;~pos&nbsp;~len&nbsp;c</code> modifies <code class="code">s</code> in place, replacing <code class="code">len</code>
    characters with <code class="code">c</code>, starting at <code class="code">pos</co