 class="keyword">namespace </span>mpl = <a class="code" href="namespaceboost_1_1mpl.html">boost::mpl</a>;</div><div class="line"></div><div class="line"></div><div class="line"><span class="keyword">auto</span> xs = hana::make_tuple(hana::type_c&lt;int&gt;, hana::type_c&lt;char&gt;, hana::type_c&lt;double&gt;);</div><div class="line">static_assert(std::is_same&lt;</div><div class="line">    decltype(hana::to&lt;hana::ext::boost::mpl::list_tag&gt;(xs)),</div><div class="line">    mpl::list&lt;int, char, doub