ode class="code">len</code> do not designate a valid
   range of <code class="code">dst</code>.</p>
</div>
<ul class="info-attributes">
<li><b>Since</b> 3.11.2</li>
</ul>
</div>

<pre><span id="VALnth"><span class="keyword">val</span> nth</span> : <code class="type"><a href="Buffer.html#TYPEt">t</a> -&gt; int -&gt; char</code></pre><div class="info ">
<div class="info-desc">
<p>Get the n-th character of the buffer. Raise <code class="code"><span class="constructor">Invalid_argument</span></code> if
    inde