22 struct Y1 {};  struct
56     using L2 = std::tuple<Y1, Y2, Y3, Y4>;  in main()
58 …BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<mp_list, L1, L2>, mp_list<mp_list<X1, Y1>, mp_lis…  in main()
59 …BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<std::tuple, L1, L2>, mp_list<std::tuple<X1, Y1>, …  in main()
60 …BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<std::pair, L1, L2>, mp_list<std::pair<X1, Y1>, st…  in main()
64 …BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<mp_list, L1, L2, L3>, mp_list<mp_list<X1, Y1, Z1>…  in main()
65 …(std::is_same<mp_transform<std::tuple, L1, L2, L3>, mp_list<std::tuple<X1, Y1, Z1>, std::tuple<X2,…  in main()
78     using L6 = std::pair<Y1, Y2>;  in main()
82 …BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<mp_list, L5, L6>, std::pair<mp_list<X1, Y1>, mp_l…  in main()
83 …BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<mp_list, L5, L6, L7>, std::pair<mp_list<X1, Y1, X…  in main()
98 …is_same<mp_transform<std::tuple, L5, L6, L8, L9>, std::pair<std::tuple<X1, Y1, Z1, U1>, std::tuple…  in main()
99 …me<mp_transform<std::tuple, L5, L6, L8, L9, L10>, std::pair<std::tuple<X1, Y1, Z1, U1, V1>, std::t…  in main()
100 …_transform<std::tuple, L5, L6, L8, L9, L10, L11>, std::pair<std::tuple<X1, Y1, Z1, U1, V1, W1>, st…  in main()