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- // Copyright 2015, 2017 Peter Dimov.
- //
- // Distributed under the Boost Software License, Version 1.0.
- //
- // See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt
- #include <boost/mp11/algorithm.hpp>
- #include <boost/mp11/list.hpp>
- #include <boost/mp11/integral.hpp>
- #include <boost/core/lightweight_test_trait.hpp>
- #include <type_traits>
- #include <tuple>
- using boost::mp11::mp_bool;
- struct Q_sizeof_less
- {
- template<class T, class U> using fn = mp_bool<(sizeof(T) < sizeof(U))>;
- };
- int main()
- {
- using boost::mp11::mp_list;
- using boost::mp11::mp_sort_q;
- {
- using L1 = mp_list<>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_sort_q<L1, Q_sizeof_less>, L1>));
- using L2 = mp_list<char[2], char[4], char[3], char[1]>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_sort_q<L2, Q_sizeof_less>, mp_list<char[1], char[2], char[3], char[4]>>));
- using L3 = mp_list<char[2], char[4], char[2], char[3], char[1], char[2], char[1]>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_sort_q<L3, Q_sizeof_less>, mp_list<char[1], char[1], char[2], char[2], char[2], char[3], char[4]>>));
- }
- {
- using L1 = std::tuple<>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_sort_q<L1, Q_sizeof_less>, L1>));
- using L2 = std::tuple<char[2], char[4], char[3], char[1]>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_sort_q<L2, Q_sizeof_less>, std::tuple<char[1], char[2], char[3], char[4]>>));
- using L3 = std::tuple<char[2], char[4], char[2], char[3], char[1], char[2], char[1]>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_sort_q<L3, Q_sizeof_less>, std::tuple<char[1], char[1], char[2], char[2], char[2], char[3], char[4]>>));
- }
- return boost::report_errors();
- }
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