 </div>
<div class="line"><span class="keyword">const</span> MyClass&amp; firstElement = arr.at(0);  <span class="comment">// Access element by index.</span></div>
<div class="line">arr.erase(arr.begin());                   <span class="comment">// Remove the first element.</span></div>
</div><!-- fragment --><h2><a class="anchor" id="autotoc_md5"></a>
Copying Arrays</h2>
<div class="fragment"><div class="line"><span class="preprocessor">#include &quot;b8array.h&quot;</span></div>
<div class="line"> </div>
