ow">return</span> boost::hana::make_tuple(</div><div class="line">                boost::hana::make_pair(BOOST_HANA_STRING(<span class="stringliteral">&quot;name&quot;</span>),</div><div class="line">                [](<span class="keyword">auto</span>&amp;&amp; p) -&gt; decltype(<span class="keyword">auto</span>) {</div><div class="line">                    <span class="keywordflow">return</span> <a class="code" href="group__group-functional.html#gaef38cf34324c8edbd3597ae71811d00d">boost::hana::id</a>(std: