ss="code">dst</code>.</p>
</div>
<ul class="info-attributes">
<li><b>Since</b> 4.05.0</li>
</ul>
</div>

<pre><span id="VALconcat"><span class="keyword">val</span> concat</span> : <code class="type">sep:bytes -&gt; bytes list -&gt; bytes</code></pre><div class="info ">
<div class="info-desc">
<p><code class="code">concat&nbsp;sep&nbsp;sl</code> concatenates the list of byte sequences <code class="code">sl</code>,
    inserting the separator byte sequence <code class="code">sep</code> between each, and
    r