forked from boostorg/mp11
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
// Copyright 2015, 2017, 2023 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/list.hpp>
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#include <boost/mp11/utility.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_apply_q;
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using boost::mp11::mp_list;
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using boost::mp11::mp_quote;
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using boost::mp11::mp_quote_trait;
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using boost::mp11::mp_valid;
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using boost::mp11::mp_identity;
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using boost::mp11::mp_identity_t;
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int main()
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{
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BOOST_TEST_TRAIT_FALSE((mp_valid<mp_apply_q>));
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BOOST_TEST_TRAIT_FALSE((mp_valid<mp_apply_q, void>));
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#if !BOOST_MP11_WORKAROUND( BOOST_MP11_MSVC, < 1920 )
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BOOST_TEST_TRAIT_FALSE((mp_valid<mp_apply_q, void, void>));
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BOOST_TEST_TRAIT_FALSE((mp_valid<mp_apply_q, void, mp_list<>>));
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BOOST_TEST_TRAIT_FALSE((mp_valid<mp_apply_q, void, mp_list<void>>));
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BOOST_TEST_TRAIT_FALSE((mp_valid<mp_apply_q, void, mp_list<void, void>>));
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#endif
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using Qi = mp_quote<mp_identity_t>;
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BOOST_TEST_TRAIT_FALSE((mp_valid<mp_apply_q, Qi, mp_list<>>));
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BOOST_TEST_TRAIT_TRUE((mp_valid<mp_apply_q, Qi, mp_list<void>>));
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BOOST_TEST_TRAIT_FALSE((mp_valid<mp_apply_q, Qi, mp_list<void, void>>));
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using Qt = mp_quote_trait<mp_identity>;
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#if !BOOST_MP11_WORKAROUND( BOOST_MP11_MSVC, < 1900 )
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BOOST_TEST_TRAIT_FALSE((mp_valid<mp_apply_q, Qt, mp_list<>>));
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#endif
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BOOST_TEST_TRAIT_TRUE((mp_valid<mp_apply_q, Qt, mp_list<void>>));
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BOOST_TEST_TRAIT_FALSE((mp_valid<mp_apply_q, Qt, mp_list<void, void>>));
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return boost::report_errors();
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}
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