92 lines
4.6 KiB
C++
92 lines
4.6 KiB
C++
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// Copyright 2015, 2016, 2019 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/function.hpp>
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#include <boost/mp11/integral.hpp>
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#include <boost/mp11/set.hpp>
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#include <boost/mp11/detail/config.hpp>
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#include <boost/core/lightweight_test_trait.hpp>
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#include <type_traits>
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using boost::mp11::mp_any;
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using boost::mp11::mp_all;
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template<class... T> using check1 = mp_any<std::is_nothrow_copy_constructible<T>..., mp_any<std::is_nothrow_move_constructible<T>...>>;
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template<class... T> using check2 = mp_any<mp_any<std::is_nothrow_copy_constructible<T>...>, std::is_nothrow_move_constructible<T>...>;
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template<class... T> using check3 = mp_any<mp_all<std::is_nothrow_copy_constructible<T>...>, std::is_nothrow_default_constructible<T>...>;
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template<bool is_trivially_destructible, bool is_single_buffered, class... T> struct variant_base_impl {};
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#if BOOST_MP11_WORKAROUND( BOOST_MP11_GCC, < 40800 )
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template<class... T> using variant_base = variant_base_impl<mp_all<std::has_trivial_destructor<T>...>::value, mp_any<mp_all<std::is_nothrow_move_constructible<T>...>, std::is_nothrow_default_constructible<T>...>::value, T...>;
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#else
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template<class... T> using variant_base = variant_base_impl<mp_all<std::is_trivially_destructible<T>...>::value, mp_any<mp_all<std::is_nothrow_move_constructible<T>...>, std::is_nothrow_default_constructible<T>...>::value, T...>;
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#endif
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using boost::mp11::mp_set_contains;
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template<class T, class... S> using in_any_set = mp_any< mp_set_contains<S, T>... >;
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int main()
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{
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using boost::mp11::mp_true;
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using boost::mp11::mp_false;
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using boost::mp11::mp_int;
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using boost::mp11::mp_size_t;
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<>, mp_false>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_true>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_false>, mp_false>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_int<-7>>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_int<0>>, mp_false>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_size_t<7>>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_size_t<0>>, mp_false>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_true, mp_true>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_false, mp_true>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_true, mp_false>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_false, mp_false>, mp_false>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_int<-7>, mp_int<7>>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_size_t<(size_t)-1>, mp_size_t<1>>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_true, mp_true, mp_true>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_false, mp_false, mp_true>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_false, mp_false, mp_false>, mp_false>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_true, mp_true, mp_true, mp_true>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_false, mp_false, mp_true, mp_false>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_false, mp_false, mp_false, mp_false>, mp_false>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_int<1>, mp_int<2>, mp_int<-11>, mp_int<14>>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_int<0>, mp_int<0>, mp_int<-11>, mp_int<0>>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_int<0>, mp_int<0>, mp_int<0>, mp_int<0>>, mp_false>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_size_t<1>, mp_size_t<2>, mp_size_t<114>, mp_size_t<8>, mp_size_t<94>>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_size_t<0>, mp_size_t<0>, mp_size_t<114>, mp_size_t<0>, mp_size_t<0>>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_size_t<0>, mp_size_t<0>, mp_size_t<0>, mp_size_t<0>, mp_size_t<0>>, mp_false>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_size_t<0>, mp_int<0>, mp_false, mp_size_t<141>>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_any<mp_size_t<0>, mp_int<0>, mp_false>, mp_false>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<check1<void, int, float>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<check2<void, int, float>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<check3<void, int, float>, mp_true>));
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variant_base<void, int, float>();
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using boost::mp11::mp_list;
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BOOST_TEST_TRAIT_TRUE((std::is_same<in_any_set<void, mp_list<void>, mp_list<int>>, mp_true>));
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return boost::report_errors();
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}
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