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- // Copyright 2015, 2017, 2019 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/list.hpp>
- #include <boost/mp11/utility.hpp>
- #include <boost/core/lightweight_test_trait.hpp>
- #include <type_traits>
- #include <tuple>
- #include <utility>
- struct X1 {};
- struct X2 {};
- struct X3 {};
- struct X4 {};
- template<class T> using add_pointer_t = T*;
- using Q_add_pointer = boost::mp11::mp_quote_trait<std::add_pointer>;
- int main()
- {
- using boost::mp11::mp_list;
- using boost::mp11::mp_transform_third;
- using boost::mp11::mp_transform_third_q;
- {
- using L3 = mp_list<X1, X2, X3>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform_third<L3, add_pointer_t>, mp_list<X1, X2, X3*>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform_third_q<L3, Q_add_pointer>, mp_list<X1, X2, X3*>>));
- using L4 = mp_list<X1, X2, X3, X4>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform_third<L4, add_pointer_t>, mp_list<X1, X2, X3*, X4>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform_third_q<L4, Q_add_pointer>, mp_list<X1, X2, X3*, X4>>));
- }
- {
- using L3 = std::tuple<X1, X2, X3>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform_third<L3, add_pointer_t>, std::tuple<X1, X2, X3*>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform_third_q<L3, Q_add_pointer>, std::tuple<X1, X2, X3*>>));
- using L4 = std::tuple<X1, X2, X3, X4>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform_third<L4, add_pointer_t>, std::tuple<X1, X2, X3*, X4>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform_third_q<L4, Q_add_pointer>, std::tuple<X1, X2, X3*, X4>>));
- }
- return boost::report_errors();
- }
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