37 lines
832 B
C++
37 lines
832 B
C++
// Copyright (c) 2016-2021 Antony Polukhin
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/pfr/core.hpp>
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#include <boost/core/lightweight_test.hpp>
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namespace helper {
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template <std::size_t I, class T>
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decltype(auto) get(T&& v) {
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return boost::pfr::get<I>(std::forward<T>(v));
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}
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}
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int main() {
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using namespace std;
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using namespace helper;
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struct foo { int i; short s;};
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foo f{1, 2};
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BOOST_TEST_EQ(get<0>(f), 1);
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const foo cf{1, 2};
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BOOST_TEST_EQ(get<1>(cf), 2);
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std::tuple<int, short> t{10, 20};
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BOOST_TEST_EQ(get<0>(t), 10);
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const std::tuple<int, short> ct{10, 20};
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BOOST_TEST_EQ(get<1>(ct), 20);
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return boost::report_errors();
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}
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