an>, 30};</div><div class="line">    <a class="code" href="group__group-assertions.html#ga4bf9e0c46c44e21fbe5c5fbb3ace8356">BOOST_HANA_CONSTANT_CHECK</a>(</div><div class="line">        <a class="code" href="group__group-Struct.html#gaf8c7199742581e6e66c8397def68e2d3">hana::keys</a>(john) == hana::make_tuple(BOOST_HANA_STRING(<span class="stringliteral">&quot;name&quot;</span>),</div><div class="line">                                             BOOST_HANA_STRING(<span class="stringliteral">&quot;age&quot;<