36     using _5 = mp_size_t<5>;  in main()  typedef
58         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _5, _5>, L2>));  in main()
70         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _4, _5>, mp_list<X1, X2, X3, X4>>));  in main()
80         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _3, _5>, mp_list<X1, X2, X3>>));  in main()
88         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _2, _5>, mp_list<X1, X2>>));  in main()
95         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _1, _5>, mp_list<X1>>));  in main()
96         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _0, _5>, mp_list<>>));  in main()
124         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _5, _5>, L2>));  in main()
136         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _4, _5>, std::tuple<X1, X2, X3, X4>>));  in main()
146         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _3, _5>, std::tuple<X1, X2, X3>>));  in main()
154         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _2, _5>, std::tuple<X1, X2>>));  in main()
161         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _1, _5>, std::tuple<X1>>));  in main()
162         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _0, _5>, std::tuple<>>));  in main()