ine"><a id="l00368" name="l00368"></a><span class="lineno">  368</span>        <span class="comment">// alloc new buffer</span></div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span>        new_buffer = reserve_2d&lt;T&gt;(stream, m_extent);</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span> </div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span>        <span class="comment">// copy construct on n