an>&amp;,</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;    <span class="keyword">typename</span> std::enable_if</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    &lt;</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;        mp11::mp_and</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;        &lt;</div><div class="line"><a name="l00028"></a><span class="lineno">   28