ceph/src/boost/libs/hana/test/concept/struct/macro.adapt_struct.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/adapt_struct.hpp>
   6 #include <boost/hana/assert.hpp>
   7 #include <boost/hana/concept/struct.hpp>
   8 #include <boost/hana/contains.hpp>
   9 #include <boost/hana/string.hpp>
  10
  11 #include <laws/base.hpp>
  12 namespace hana = boost::hana;
  13 using hana::test::ct_eq;
  14
  15
  16 namespace ns {
  17     struct Data0 { };
  18     struct Data1 {
  19         ct_eq<1> member1;
  20     };
  21     struct Data2 {
  22         ct_eq<1> member1;
  23         ct_eq<2> member2;
  24     };
  25     struct Data3 {
  26         ct_eq<1> member1;
  27         ct_eq<2> member2;
  28         ct_eq<3> member3;
  29     };
  30     struct MemberArray {
  31         int array[10];
  32     };
  33 }
  34
  35 BOOST_HANA_ADAPT_STRUCT(ns::Data0);
  36 BOOST_HANA_ADAPT_STRUCT(ns::Data1, member1);
  37 BOOST_HANA_ADAPT_STRUCT(ns::Data2, member1, member2);
  38 BOOST_HANA_ADAPT_STRUCT(ns::Data3, member1, member2, member3);
  39 BOOST_HANA_ADAPT_STRUCT(ns::MemberArray, array);
  40
  41 static_assert(hana::Struct<ns::Data0>::value, "");
  42 static_assert(hana::Struct<ns::Data1>::value, "");
  43 static_assert(hana::Struct<ns::Data2>::value, "");
  44 static_assert(hana::Struct<ns::Data3>::value, "");
  45 static_assert(hana::Struct<ns::MemberArray>::value, "");
  46
  47 int main() {
  48     BOOST_HANA_CONSTANT_CHECK(hana::contains(ns::Data1{}, BOOST_HANA_STRING("member1")));
  49
  50     BOOST_HANA_CONSTANT_CHECK(hana::contains(ns::Data2{}, BOOST_HANA_STRING("member1")));
  51     BOOST_HANA_CONSTANT_CHECK(hana::contains(ns::Data2{}, BOOST_HANA_STRING("member2")));
  52
  53     BOOST_HANA_CONSTANT_CHECK(hana::contains(ns::Data3{}, BOOST_HANA_STRING("member1")));
  54     BOOST_HANA_CONSTANT_CHECK(hana::contains(ns::Data3{}, BOOST_HANA_STRING("member2")));
  55     BOOST_HANA_CONSTANT_CHECK(hana::contains(ns::Data3{}, BOOST_HANA_STRING("member3")));
  56
  57     BOOST_HANA_CONSTANT_CHECK(hana::contains(ns::MemberArray{}, BOOST_HANA_STRING("array")));
  58 }