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

<pre id="VALcontains">val contains : bytes -&gt; char -&gt; bool</pre><div class="info ">
<div class="info-desc">
<p><code class="code">contains&nbsp;s&nbsp;c</code> tests if byte <code class="code">c</code> appears in <code class="code">s</code>.</p>
</div>
</div>

<pre id="VALcontains_from">val contains_from : bytes -&gt; int -&gt; char -&gt; bool</pre><div class="info ">
<div class="info-desc">
<p><code class="code">contains_from&nbsp;s&nbsp;