::begin</a>
</h5></div></div></div>
<p>
          <a class="indexterm" name="idp103501552"></a>
Required for <span class="bold"><strong>BufferSequence</strong></span>.
        </p>
<h6>
<a name="beast.ref.boost__beast__buffers_cat_view.begin.h0"></a>
          <span class="phrase"><a name="beast.ref.boost__beast__buffers_cat_view.begin.synopsis"></a></span><a class="link" href="begin.html#beast.ref.boost__beast__buffers_cat_view.begin.synopsis">Synopsis</a>
        </h6>
<pre class="programlisting"><span cl