34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
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// Copyright 2015 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/utility.hpp>
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#include <boost/core/lightweight_test_trait.hpp>
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#include <type_traits>
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struct X {};
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int main()
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{
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using boost::mp11::mp_identity;
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_identity<void const volatile>::type, void const volatile>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_identity<void()>::type, void()>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_identity<int const[]>::type, int const[]>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_identity<X>::type, X>));
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using boost::mp11::mp_identity_t;
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_identity_t<void const volatile>, void const volatile>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_identity_t<void()>, void()>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_identity_t<int const[]>, int const[]>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_identity_t<X>, X>));
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return boost::report_errors();
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}
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