>    for_all_cell(offsets,</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>                 [&amp;](std::bitset&lt;N&gt; mask, Offset&lt;N&gt;&amp; begin, Offset&lt;N&gt;&amp; end)</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span>                 {</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>                     <span class="keywordtype">bool</span> copy_construct = !mask.any();</