31         variant<int> v;  in main()
38         variant<int const> v;  in main()
45         variant<int, float, std::string> v;  in main()
52         variant<int, int, std::string> v;  in main()
59         variant<std::string> v;  in main()
66         variant<std::string const> v;  in main()
73         variant<std::string, int, float> v;  in main()
80         variant<std::string, std::string, float> v;  in main()
87         BOOST_TEST_TRAIT_TRUE((std::is_nothrow_default_constructible<variant<int>>));  in main()
88         BOOST_TEST_TRAIT_TRUE((std::is_nothrow_default_constructible<variant<int const>>));  in main()
89         BOOST_TEST_TRAIT_TRUE((std::is_nothrow_default_constructible<variant<int, X>>));  in main()
90         BOOST_TEST_TRAIT_TRUE((std::is_nothrow_default_constructible<variant<int, float, X>>));  in main()
91         BOOST_TEST_TRAIT_TRUE((std::is_nothrow_default_constructible<variant<int, int, X>>));  in main()
92         BOOST_TEST_TRAIT_TRUE((std::is_nothrow_default_constructible<variant<int, X, X>>));  in main()
94         BOOST_TEST_TRAIT_FALSE((std::is_nothrow_default_constructible<variant<X>>));  in main()
95         BOOST_TEST_TRAIT_FALSE((std::is_nothrow_default_constructible<variant<X, int>>));  in main()
96         BOOST_TEST_TRAIT_FALSE((std::is_nothrow_default_constructible<variant<X, int, float>>));  in main()
98         BOOST_TEST_TRAIT_TRUE((std::is_default_constructible<variant<int, Y>>));  in main()
99         BOOST_TEST_TRAIT_FALSE((std::is_default_constructible<variant<Y, int>>));  in main()