34 lines
1.9 KiB
C++
34 lines
1.9 KiB
C++
// Copyright 2020 Peter Dimov.
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// Distributed under the Boost Software License, Version 1.0.
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// https://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/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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int main()
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{
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using boost::mp11::mp_list;
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using boost::mp11::mp_power_set;
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BOOST_TEST_TRAIT_TRUE((std::is_same< mp_power_set< mp_list<> >, mp_list<mp_list<>> >));
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BOOST_TEST_TRAIT_TRUE((std::is_same< mp_power_set< mp_list<X1> >, mp_list< mp_list<>, mp_list<X1> > >));
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BOOST_TEST_TRAIT_TRUE((std::is_same< mp_power_set< mp_list<X2, X1> >, mp_list< mp_list<>, mp_list<X1>, mp_list<X2>, mp_list<X2, X1> > >));
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BOOST_TEST_TRAIT_TRUE((std::is_same< mp_power_set< mp_list<X1, X1> >, mp_list< mp_list<>, mp_list<X1>, mp_list<X1>, mp_list<X1, X1> > >));
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BOOST_TEST_TRAIT_TRUE((std::is_same< mp_power_set< mp_list<X3, X2, X1> >, mp_list< mp_list<>, mp_list<X1>, mp_list<X2>, mp_list<X2, X1>, mp_list<X3>, mp_list<X3, X1>, mp_list<X3, X2>, mp_list<X3, X2, X1> > >));
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BOOST_TEST_TRAIT_TRUE((std::is_same< mp_power_set< std::tuple<> >, std::tuple<std::tuple<>> >));
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BOOST_TEST_TRAIT_TRUE((std::is_same< mp_power_set< std::tuple<X1> >, std::tuple< std::tuple<>, std::tuple<X1> > >));
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BOOST_TEST_TRAIT_TRUE((std::is_same< mp_power_set< std::tuple<X2, X1> >, std::tuple< std::tuple<>, std::tuple<X1>, std::tuple<X2>, std::tuple<X2, X1> > >));
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BOOST_TEST_TRAIT_TRUE((std::is_same< mp_power_set< std::tuple<X1, X1> >, std::tuple< std::tuple<>, std::tuple<X1>, std::tuple<X1>, std::tuple<X1, X1> > >));
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BOOST_TEST_TRAIT_TRUE((std::is_same< mp_power_set< std::tuple<X3, X2, X1> >, std::tuple< std::tuple<>, std::tuple<X1>, std::tuple<X2>, std::tuple<X2, X1>, std::tuple<X3>, std::tuple<X3, X1>, std::tuple<X3, X2>, std::tuple<X3, X2, X1> > >));
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return boost::report_errors();
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}
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