mp_push_front.cpp 2.3 KB

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  1. // Copyright 2015 Peter Dimov.
  2. //
  3. // Distributed under the Boost Software License, Version 1.0.
  4. //
  5. // See accompanying file LICENSE_1_0.txt or copy at
  6. // http://www.boost.org/LICENSE_1_0.txt
  7. #include <boost/core/lightweight_test_trait.hpp>
  8. #include <boost/mp11/list.hpp>
  9. #include <type_traits>
  10. #include <tuple>
  11. #include <utility>
  12. int main()
  13. {
  14. using boost::mp11::mp_list;
  15. using boost::mp11::mp_push_front;
  16. using L1 = mp_list<>;
  17. BOOST_TEST_TRAIT_TRUE((std::is_same<mp_push_front<L1>, mp_list<>>));
  18. BOOST_TEST_TRAIT_TRUE((std::is_same<mp_push_front<L1, char[1]>, mp_list<char[1]>>));
  19. BOOST_TEST_TRAIT_TRUE((std::is_same<mp_push_front<L1, char[1], char[2]>, mp_list<char[1], char[2]>>));
  20. using L2 = mp_list<void>;
  21. BOOST_TEST_TRAIT_TRUE((std::is_same<mp_push_front<L2>, mp_list<void>>));
  22. BOOST_TEST_TRAIT_TRUE((std::is_same<mp_push_front<L2, char[1]>, mp_list<char[1], void>>));
  23. BOOST_TEST_TRAIT_TRUE((std::is_same<mp_push_front<L2, char[1], char[2]>, mp_list<char[1], char[2], void>>));
  24. using L3 = mp_list<int[], void, float>;
  25. BOOST_TEST_TRAIT_TRUE((std::is_same<mp_push_front<L3>, mp_list<int[], void, float>>));
  26. BOOST_TEST_TRAIT_TRUE((std::is_same<mp_push_front<L3, char[1]>, mp_list<char[1], int[], void, float>>));
  27. BOOST_TEST_TRAIT_TRUE((std::is_same<mp_push_front<L3, char[1], char[2]>, mp_list<char[1], char[2], int[], void, float>>));
  28. using L4 = std::tuple<>;
  29. BOOST_TEST_TRAIT_TRUE((std::is_same<mp_push_front<L4>, std::tuple<>>));
  30. BOOST_TEST_TRAIT_TRUE((std::is_same<mp_push_front<L4, char>, std::tuple<char>>));
  31. BOOST_TEST_TRAIT_TRUE((std::is_same<mp_push_front<L4, char, wchar_t>, std::tuple<char, wchar_t>>));
  32. using L5 = std::tuple<int>;
  33. BOOST_TEST_TRAIT_TRUE((std::is_same<mp_push_front<L5>, std::tuple<int>>));
  34. BOOST_TEST_TRAIT_TRUE((std::is_same<mp_push_front<L5, char>, std::tuple<char, int>>));
  35. BOOST_TEST_TRAIT_TRUE((std::is_same<mp_push_front<L5, char, wchar_t>, std::tuple<char, wchar_t, int>>));
  36. using L6 = std::tuple<int, int>;
  37. BOOST_TEST_TRAIT_TRUE((std::is_same<mp_push_front<L6>, std::tuple<int, int>>));
  38. BOOST_TEST_TRAIT_TRUE((std::is_same<mp_push_front<L6, char>, std::tuple<char, int, int>>));
  39. BOOST_TEST_TRAIT_TRUE((std::is_same<mp_push_front<L6, char, wchar_t>, std::tuple<char, wchar_t, int, int>>));
  40. return boost::report_errors();
  41. }