 -&gt; bytes -&gt; bool</pre><div class="info ">
<div class="info-desc">
<p><code class="code">exists&nbsp;p&nbsp;s</code> checks if at least one character of <code class="code">s</code> satisfies the predicate
    <code class="code">p</code>.</p>
</div>
<ul class="info-attributes">
<li><b>Since</b> 4.13.0</li>
</ul>
</div>

<pre id="VALtrim">val trim : bytes -&gt; bytes</pre><div class="info ">
<div class="info-desc">
<p>Return a copy of the argument, without leading and trailing
    whitespace. The bytes 