or::operator+
          (2 of 2 overloads)</a>
</h5></div></div></div>
<p>
            Addition operator.
          </p>
<pre class="programlisting"><span class="keyword">friend</span> <span class="identifier">buffers_iterator</span> <span class="keyword">operator</span><span class="special">+(</span>
    <span class="identifier">std</span><span class="special">::</span><span class="identifier">ptrdiff_t</span> <span class="identifier">difference</span><span class="special">,</span>
    <span class="keyword