text: /*=============================================================================
      Copyright (c) 2010 Christopher Schmidt
  
      Distributed under the Boost Software License, Version 1.0. (See accompanying
      file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  ==============================================================================*/
  #include <boost/detail/lightweight_test.hpp>
  #include <boost/fusion/sequence.hpp>
  #include <boost/fusion/support.hpp>
  #include <boost/fusion/container/list.hpp>
  #include <boost/fusion/container/vector.hpp>
  #include <boost/fusion/container/generation/make_vector.hpp>
  #include <boost/fusion/adapted/adt/adapt_assoc_adt.hpp>
  #include <boost/mpl/assert.hpp>
  #include <boost/mpl/not.hpp>
  #include <boost/mpl/front.hpp>
  #include <boost/mpl/is_sequence.hpp>
  #include <boost/type_traits/is_same.hpp>
  #include <boost/static_assert.hpp>
  #include <iostream>
  #include <string>
  
  namespace ns
  {
      struct x_member;
      struct y_member;
      struct z_member;
  
      class point
      {
      public:
      
          point() : x(0), y(0) {}
          point(int in_x, int in_y) : x(in_x), y(in_y) {}
              
          int get_x() const { return x; }
          int get_y() const { return y; }
          void set_x(int x_) { x = x_; }
          void set_y(int y_) { y = y_; }
          
      private:
          
          int x;
          int y;
      };
  }
  
  BOOST_FUSION_ADAPT_ASSOC_ADT(
      ns::point,
      (int, int, obj.get_x(), obj.set_x(val), ns::x_member)
      (int, int, obj.get_y(), obj.set_y(val), ns::y_member)
  )
  
  int
  main()
  {
      using namespace boost::fusion;
  
      std::cout << tuple_open('[');
      std::cout << tuple_close(']');
      std::cout << tuple_delimiter(", ");
  
      {
          BOOST_MPL_ASSERT_NOT((traits::is_view<ns::point>));
          ns::point p(123, 456);
  
          std::cout << at_c<0>(p) << std::endl;
          std::cout << at_c<1>(p) << std::endl;
          std::cout << p << std::endl;
          BOOST_TEST(p == make_vector(123, 456));
  
          at_c<0>(p) = 6;
          at_c<1>(p) = 9;
          BOOST_TEST(p == make_vector(6, 9));
  
          BOOST_STATIC_ASSERT(boost::fusion::result_of::size<ns::point>::value == 2);
          BOOST_STATIC_ASSERT(!boost::fusion::result_of::empty<ns::point>::value);
  
          BOOST_TEST(front(p) == 6);
          BOOST_TEST(back(p) == 9);
      }
  
      {
          boost::fusion::vector<int, float> v1(4, 2);
          ns::point v2(5, 3);
          boost::fusion::vector<long, double> v3(5, 4);
          BOOST_TEST(v1 < v2);
          BOOST_TEST(v1 <= v2);
          BOOST_TEST(v2 > v1);
          BOOST_TEST(v2 >= v1);
          BOOST_TEST(v2 < v3);
          BOOST_TEST(v2 <= v3);
          BOOST_TEST(v3 > v2);
          BOOST_TEST(v3 >= v2);
      }
  
      {
          // conversion from ns::point to vector
          ns::point p(5, 3);
          boost::fusion::vector<int, long> v(p);
          v = p;
      }
  
      {
          // conversion from ns::point to list
          ns::point p(5, 3);
          boost::fusion::list<int, long> l(p);
          l = p;
      }
  
      {
          BOOST_MPL_ASSERT((boost::mpl::is_sequence<ns::point>));
          BOOST_MPL_ASSERT((boost::is_same<
              boost::fusion::result_of::value_at_c<ns::point,0>::type
            , boost::mpl::front<ns::point>::type>));
      }
  
      {
          // assoc stuff
          BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<ns::point, ns::x_member>));
          BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<ns::point, ns::y_member>));
          BOOST_MPL_ASSERT((boost::mpl::not_<boost::fusion::result_of::has_key<ns::point, ns::z_member> >));
  
          BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_key<ns::point, ns::x_member>::type, int>));
          BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_key<ns::point, ns::y_member>::type, int>));
  
          ns::point p(5, 3);
  
          BOOST_TEST(at_key<ns::x_member>(p) == 5);
          BOOST_TEST(at_key<ns::y_member>(p) == 3);
      }
  
      return boost::report_errors();
  }
  
  