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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/mp11/bind.hpp>
- #include <boost/core/lightweight_test_trait.hpp>
- #include <type_traits>
- #include <tuple>
- struct X1 {};
- struct X2 {};
- struct X3 {};
- struct X4 {};
- template<class T1, class T2> struct F {};
- int main()
- {
- using boost::mp11::mp_list;
- using boost::mp11::mp_reverse_fold_q;
- using boost::mp11::mp_quote;
- using Q = mp_quote<F>;
- {
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<mp_list<>, void, Q>, void>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<mp_list<X1>, void, Q>, F<X1, void>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<mp_list<X1, X2>, void, Q>, F<X1, F<X2, void>>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<mp_list<X1, X2, X3>, void, Q>, F<X1, F<X2, F<X3, void>>>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<mp_list<X1, X2, X3, X4>, void, Q>, F<X1, F<X2, F<X3, F<X4, void>>>>>));
- }
- {
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<std::tuple<>, void, Q>, void>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<std::tuple<X1>, void, Q>, F<X1, void>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<std::tuple<X1, X2>, void, Q>, F<X1, F<X2, void>>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<std::tuple<X1, X2, X3>, void, Q>, F<X1, F<X2, F<X3, void>>>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<std::tuple<X1, X2, X3, X4>, void, Q>, F<X1, F<X2, F<X3, F<X4, void>>>>>));
- }
- using boost::mp11::mp_bind;
- using boost::mp11::_1;
- using boost::mp11::_2;
- using boost::mp11::mp_push_back;
- {
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<std::tuple<X1, X2, X3, X4>, mp_list<>, mp_bind<mp_push_back, _2, _1>>, mp_list<X4, X3, X2, X1>>));
- }
- using boost::mp11::mp_push_front;
- {
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse_fold_q<std::tuple<X1, X2, X3, X4>, mp_list<>, mp_bind<mp_push_front, _2, _1>>, mp_list<X1, X2, X3, X4>>));
- }
- return boost::report_errors();
- }
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