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- // Copyright 2015, 2017 Peter Dimov.
- //
- // Distributed under the Boost Software License, Version 1.0.
- //
- // See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt
- #include <boost/mp11/utility.hpp>
- #include <boost/mp11/detail/config.hpp>
- #include <boost/core/lightweight_test_trait.hpp>
- #include <type_traits>
- int main()
- {
- using boost::mp11::mp_identity;
- using boost::mp11::mp_quote_trait;
- using boost::mp11::mp_invoke_q;
- {
- using Q = mp_quote_trait<mp_identity>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<Q::fn<void>, void>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<Q::fn<int[]>, int[]>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_invoke_q<Q, void>, void>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_invoke_q<Q, int[]>, int[]>));
- }
- {
- using Q = mp_quote_trait<std::add_pointer>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<Q::fn<void>, void*>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<Q::fn<int[]>, int(*)[]>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_invoke_q<Q, void>, void*>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_invoke_q<Q, int[]>, int(*)[]>));
- }
- {
- using Q = mp_quote_trait<std::add_const>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<Q::fn<void>, void const>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<Q::fn<int[]>, int const[]>));
- #if !BOOST_MP11_WORKAROUND( BOOST_MP11_GCC, < 40900 )
- // g++ 4.7, 4.8 have difficulties with preserving top-level const
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_invoke_q<Q, void>, void const>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_invoke_q<Q, int[]>, int const[]>));
- #endif
- }
- return boost::report_errors();
- }
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