f7e59">boost::hana::integral_constant&lt; T, v &gt;</a>
, <a class="el" href="structboost_1_1hana_1_1optional.html#aa3f0436b623de5208767751e1e9f7e59">boost::hana::optional&lt; T &gt;</a>
, <a class="el" href="structboost_1_1hana_1_1pair.html#aa3f0436b623de5208767751e1e9f7e59">boost::hana::pair&lt; First, Second &gt;</a>
, <a class="el" href="structboost_1_1hana_1_1string.html#aa3f0436b623de5208767751e1e9f7e59">boost::hana::string&lt; implementation_defined &gt;</a>
, <a class="el" href="structboost_1_1hana_