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- // Copyright 2015 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/algorithm.hpp>
- #include <boost/mp11/list.hpp>
- #include <boost/core/lightweight_test_trait.hpp>
- #include <type_traits>
- #include <tuple>
- #include <utility>
- struct X1 {};
- struct X2 {};
- struct X3 {};
- int main()
- {
- using boost::mp11::mp_list;
- using boost::mp11::mp_replace;
- {
- using L1 = mp_list<>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace<L1, void, int[]>, L1>));
- using L2 = mp_list<X1, X2, X3, X2, X3, X3>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace<L2, void, int[]>, L2>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace<L2, X1, int[]>, mp_list<int[], X2, X3, X2, X3, X3>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace<L2, X2, int[]>, mp_list<X1, int[], X3, int[], X3, X3>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace<L2, X3, int[]>, mp_list<X1, X2, int[], X2, int[], int[]>>));
- }
- {
- using L1 = std::tuple<>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace<L1, void, int[]>, L1>));
- using L2 = std::tuple<X1, X2, X3, X2, X3, X3>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace<L2, void, int[]>, L2>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace<L2, X1, int[]>, std::tuple<int[], X2, X3, X2, X3, X3>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace<L2, X2, int[]>, std::tuple<X1, int[], X3, int[], X3, X3>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace<L2, X3, int[]>, std::tuple<X1, X2, int[], X2, int[], int[]>>));
- }
- {
- using L2 = std::pair<X1, X2>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace<L2, void, int[]>, L2>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace<L2, X1, int[]>, std::pair<int[], X2>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace<L2, X2, int[]>, std::pair<X1, int[]>>));
- }
- return boost::report_errors();
- }
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