46 lines
1.9 KiB
C++
46 lines
1.9 KiB
C++
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// Copyright 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/core/lightweight_test_trait.hpp>
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#include <type_traits>
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template<class> class X;
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template<class...> class Y;
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int main()
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{
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using boost::mp11::mp_similar;
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using boost::mp11::mp_true;
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using boost::mp11::mp_false;
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_similar<>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_similar<void>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_similar<void, void>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_similar<void, void, void>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_similar<void, void, void, void>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_similar<void, void, void, void, void>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_similar<void, int>, mp_false>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_similar<void, void, int>, mp_false>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_similar<void, void, void, int>, mp_false>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_similar<void, void, void, void, int>, mp_false>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_similar<X<void>>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_similar<X<void>, X<int>>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_similar<X<void>, X<int>, X<float>>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_similar<Y<>>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_similar<Y<>, Y<void>>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_similar<Y<>, Y<void>, Y<void, void>>, mp_true>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_similar<Y<>, Y<void>, Y<void, void>, Y<void, void, void>>, mp_true>));
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return boost::report_errors();
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}
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