129     using L9 = std::pair<char, double>;  in main()  typedef
131     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L9, mp_list>, mp_list<char, double>>));  in main()
132     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L9, std::tuple>, std::tuple<char, double>>));  in main()
133     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L9, X>, X<char, double>>));  in main()
134     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L9, Y>, Y<char, double>>));  in main()
135     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L9, std::pair>, std::pair<char, double>>));  in main()
137     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_apply<mp_list, L9>, mp_list<char, double>>));  in main()
138     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_apply<std::tuple, L9>, std::tuple<char, double>>));  in main()
139     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_apply<X, L9>, X<char, double>>));  in main()
140     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_apply<Y, L9>, Y<char, double>>));  in main()
141     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_apply<std::pair, L9>, std::pair<char, double>>));  in main()