35 struct X2  struct
37     X2() {}  in X2()  function
38     X2(X2 const&) {}  in X2()  argument
39     X2(X2&&) {}  in X2()  argument
42 inline bool operator==( X2, X2 ) { return true; }  in operator ==()  argument
44 STATIC_ASSERT( !std::is_nothrow_default_constructible<X2>::value );
45 STATIC_ASSERT( !std::is_nothrow_copy_constructible<X2>::value );
46 STATIC_ASSERT( !std::is_nothrow_move_constructible<X2>::value );
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()
117         v.emplace<X2>();  in main()
123         variant<X1, X1, X2> v;  in main()
124         v.emplace<X2>();  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()