ceph/src/boost/libs/hana/example/struct/to.cpp

   1 // Copyright Louis Dionne 2013-2017
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
   4
   5 #include <boost/hana/assert.hpp>
   6 #include <boost/hana/core/to.hpp>
   7 #include <boost/hana/define_struct.hpp>
   8 #include <boost/hana/equal.hpp>
   9 #include <boost/hana/map.hpp>
  10 #include <boost/hana/pair.hpp>
  11 #include <boost/hana/string.hpp>
  12
  13 #include <string>
  14 namespace hana = boost::hana;
  15
  16
  17 struct Person {
  18     BOOST_HANA_DEFINE_STRUCT(Person,
  19         (std::string, name),
  20         (unsigned short, age)
  21     );
  22 };
  23
  24 int main() {
  25     Person john{"John", 30u};
  26     BOOST_HANA_RUNTIME_CHECK(hana::to<hana::map_tag>(john) == hana::make_map(
  27         hana::make_pair(BOOST_HANA_STRING("name"), "John"),
  28         hana::make_pair(BOOST_HANA_STRING("age"), 30u)
  29     ));
  30 }