pe"><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
    index out of bounds</p>
</div>
</div>

<pre><span id="VALlength"><span class="keyword">val</span> length</span> : <code class="type"><a href="Buffer.html#TYPEt">t</a> -&gt; int</code></pre><div class="info ">
<div class="info-desc">
<p>Return the number of characters