        = buffer.m_extent;</div>
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno">  627</span>    <span class="keyword">auto</span>&amp; m_capacity         = buffer.m_capacity;</div>
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno">  628</span> </div>
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno">  629</span>    <span class="keyword">auto</span> old_buffer = buffer.view();</div>
<div class="line"><a id="l00630" name="l00630"></a><span c