ss="el" href="group__group-Hashable.html#ga6e906f44f47b210615491385e5c8a7b5" title="Returns a hana::type representing the compile-time hash of an object.Given an arbitrary object x...">hana::hash</a></code> must return a <code><a class="el" href="structboost_1_1hana_1_1type.html" title="C++ type in value-level representation. ">hana::type</a></code> object instead of an integer. This <code><a class="el" href="structboost_1_1hana_1_1type.html" title="C++ type in value-level representation. ">hana::type</a></