lid
    position in <code class="code">s</code>.</li>
</ul>
</div>

<pre id="VALuppercase_ascii">val uppercase_ascii : bytes -&gt; bytes</pre><div class="info ">
<div class="info-desc">
<p>Return a copy of the argument, with all lowercase letters
   translated to uppercase, using the US-ASCII character set.</p>
</div>
<ul class="info-attributes">
<li><b>Since</b> 4.05.0</li>
</ul>
</div>

<pre id="VALlowercase_ascii">val lowercase_ascii : bytes -&gt; bytes</pre><div class="info ">
<div class="info-desc">
<p