64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
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// Copyright 2017 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/bind.hpp>
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#include <boost/mp11/utility.hpp>
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#include <boost/mp11/algorithm.hpp>
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#include <boost/core/lightweight_test_trait.hpp>
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#include <type_traits>
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template<class...> struct L {};
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template<class, class> struct P {};
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template<class T, class U> using is_base_of_t = typename std::is_base_of<T, U>::type;
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struct B1 {};
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struct B2 {};
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struct D: B1, B2 {};
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struct NB {};
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int main()
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{
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using namespace boost::mp11;
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_bind_back<L, char[1], char[2]>::fn<int[1], int[2], int[3]>, L<int[1], int[2], int[3], char[1], char[2]>>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_bind_back_q<mp_quote<L>, char[1], char[2]>::fn<int[1], int[2], int[3]>, L<int[1], int[2], int[3], char[1], char[2]>>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_bind_back<P, char[1]>::fn<int[1]>, P<int[1], char[1]>>));
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BOOST_TEST_TRAIT_TRUE((std::is_same<mp_bind_back_q<mp_quote<P>, char[1]>::fn<int[1]>, P<int[1], char[1]>>));
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//
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using L1 = L<B1, B2, NB>;
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{
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using L2 = mp_transform<mp_bind_back<is_base_of_t, D>::fn, L1>;
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BOOST_TEST_TRAIT_TRUE((std::is_same<L2, L<std::true_type, std::true_type, std::false_type>>));
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}
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{
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using L2 = mp_transform_q<mp_bind_back<is_base_of_t, D>, L1>;
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BOOST_TEST_TRAIT_TRUE((std::is_same<L2, L<std::true_type, std::true_type, std::false_type>>));
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}
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{
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using L2 = mp_transform<mp_bind_back_q<mp_quote<is_base_of_t>, D>::fn, L1>;
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BOOST_TEST_TRAIT_TRUE((std::is_same<L2, L<std::true_type, std::true_type, std::false_type>>));
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}
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{
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using L2 = mp_transform_q<mp_bind_back_q<mp_quote<is_base_of_t>, D>, L1>;
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BOOST_TEST_TRAIT_TRUE((std::is_same<L2, L<std::true_type, std::true_type, std::false_type>>));
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}
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//
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return boost::report_errors();
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}
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