72     test( variant<int>() );  in main()
73     test( variant<int>(1) );  in main()
75     test( variant<int const>() );  in main()
76     test( variant<int const>(1) );  in main()
78     test( variant<int, float>() );  in main()
79     test( variant<int, float>(1) );  in main()
80     test( variant<int, float>(3.14f) );  in main()
82     test( variant<int const, float const>() );  in main()
83     test( variant<int const, float const>(1) );  in main()
84     test( variant<int const, float const>(3.14f) );  in main()
86     test( variant<std::string>() );  in main()
87     test( variant<std::string>("test") );  in main()
89     test( variant<std::string const>() );  in main()
90     test( variant<std::string const>("test") );  in main()
92     test( variant<int, float, std::string>() );  in main()
93     test( variant<int, float, std::string>(1) );  in main()
94     test( variant<int, float, std::string>(3.14f) );  in main()
95     test( variant<int, float, std::string>("test") );  in main()
97     test( variant<int, int>() );  in main()
99     test( variant<int, int, float>() );  in main()
100     test( variant<int, int, float>(3.14f) );  in main()
102     test( variant<int, int, float, float>() );  in main()
104     test( variant<int, int, float, float, std::string>("test") );  in main()
106     test( variant<std::string, std::string, float>() );  in main()
108     test( variant<X1 const>() );  in main()
110     test( variant<X1, X2>() );  in main()
111     test( variant<X1, X2, int>() );  in main()
112     test( variant<X1, X2, X2>() );  in main()
113     test( variant<X1, X1, X2, X2>() );  in main()
116         variant<X1, X2> v;  in main()
123         variant<X1, X1, X2> v;  in main()
131     test( variant<D>() );  in main()
136         BOOST_TEST_TRAIT_TRUE((std::is_nothrow_copy_constructible<variant<int>>));  in main()
137         BOOST_TEST_TRAIT_TRUE((std::is_nothrow_copy_constructible<variant<int const>>));  in main()
138         BOOST_TEST_TRAIT_TRUE((std::is_nothrow_copy_constructible<variant<int, int>>));  in main()
139         BOOST_TEST_TRAIT_TRUE((std::is_nothrow_copy_constructible<variant<int, float>>));  in main()
140 …      BOOST_TEST_TRAIT_TRUE((std::is_nothrow_copy_constructible<variant<int, int, float, float>>));  in main()
142         BOOST_TEST_TRAIT_FALSE((std::is_nothrow_copy_constructible<variant<X1>>));  in main()
143         BOOST_TEST_TRAIT_FALSE((std::is_nothrow_copy_constructible<variant<X1, int>>));  in main()
144         BOOST_TEST_TRAIT_FALSE((std::is_nothrow_copy_constructible<variant<X1, int, float>>));  in main()
146         BOOST_TEST_TRAIT_FALSE((std::is_nothrow_copy_constructible<variant<int, X1>>));  in main()
147         BOOST_TEST_TRAIT_FALSE((std::is_nothrow_copy_constructible<variant<int, int, X1>>));  in main()
149         BOOST_TEST_TRAIT_FALSE((std::is_nothrow_copy_constructible<variant<X1, X2>>));  in main()
150         BOOST_TEST_TRAIT_FALSE((std::is_nothrow_copy_constructible<variant<X1, X2, int, int>>));  in main()
152         BOOST_TEST_TRAIT_TRUE((std::is_copy_constructible<variant<X1, X2>>));  in main()
156         BOOST_TEST_TRAIT_FALSE((std::is_copy_constructible<variant<int, float, Y>>));  in main()