63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
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// Copyright 2015, 2017 Peter Dimov.
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//
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// Distributed under the Boost Software License, Version 1.0.
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//
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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#include <boost/mp11/algorithm.hpp>
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#include <boost/mp11/list.hpp>
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#include <boost/mp11/integral.hpp>
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#include <boost/mp11/utility.hpp>
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#include <boost/core/lightweight_test_trait.hpp>
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#include <type_traits>
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#include <tuple>
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struct X1 {};
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struct X2 {};
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struct X3 {};
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struct X4 {};
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template<class T1, class T2> struct F {};
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int main()
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{
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using boost::mp11::mp_list;
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using boost::mp11::mp_fold_q;
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using boost::mp11::mp_quote;
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using Q = mp_quote<F>;
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{
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_fold_q<mp_list<>, void, Q>, void>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_fold_q<mp_list<X1>, void, Q>, F<void, X1>>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_fold_q<mp_list<X1, X2>, void, Q>, F<F<void, X1>, X2>>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_fold_q<mp_list<X1, X2, X3>, void, Q>, F<F<F<void, X1>, X2>, X3>>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_fold_q<mp_list<X1, X2, X3, X4>, void, Q>, F<F<F<F<void, X1>, X2>, X3>, X4>>));
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}
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{
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_fold_q<std::tuple<>, void, Q>, void>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_fold_q<std::tuple<X1>, void, Q>, F<void, X1>>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_fold_q<std::tuple<X1, X2>, void, Q>, F<F<void, X1>, X2>>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_fold_q<std::tuple<X1, X2, X3>, void, Q>, F<F<F<void, X1>, X2>, X3>>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_fold_q<std::tuple<X1, X2, X3, X4>, void, Q>, F<F<F<F<void, X1>, X2>, X3>, X4>>));
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}
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using boost::mp11::mp_push_back;
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{
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_fold_q<std::tuple<X1, X2, X3, X4>, mp_list<>, mp_quote<mp_push_back>>, mp_list<X1, X2, X3, X4>>));
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}
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using boost::mp11::mp_push_front;
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{
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_fold_q<std::tuple<X1, X2, X3, X4>, mp_list<>, mp_quote<mp_push_front>>, mp_list<X4, X3, X2, X1>>));
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}
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return boost::report_errors();
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}
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