| 1 | // Copyright (c) 2023 Bela Schaum, X-Ryl669, Denis Mikhailov. |
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| 2 | // |
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| 3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
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| 4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 5 | |
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| 6 | |
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| 7 | // Initial implementation by Bela Schaum, https://github.com/schaumb |
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| 8 | // The way to make it union and UB free by X-Ryl669, https://github.com/X-Ryl669 |
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| 9 | // |
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| 10 | |
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| 11 | #include <boost/pfr/core_name.hpp> |
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| 12 | |
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| 13 | #include <functional> |
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| 14 | #include <string> |
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| 15 | |
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| 16 | struct nonconstexpr { |
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| 17 | nonconstexpr() {}; |
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| 18 | }; |
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| 19 | |
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| 20 | struct Aggregate { |
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| 21 | int member1; |
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| 22 | nonconstexpr this_is_a_name; |
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| 23 | std::reference_wrapper<char> c; |
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| 24 | std::string Forth; |
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| 25 | }; |
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| 26 | |
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| 27 | static_assert(boost::pfr::get_name<0, Aggregate>() == "member1" ); |
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| 28 | static_assert(boost::pfr::get_name<1, Aggregate>() == "this_is_a_name" ); |
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| 29 | static_assert(boost::pfr::get_name<2, Aggregate>() == "c" ); |
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| 30 | static_assert(boost::pfr::get_name<3, Aggregate>() == "Forth" ); |
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| 31 | |
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| 32 | constexpr auto names_array = boost::pfr::names_as_array<Aggregate>(); |
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| 33 | static_assert(names_array.size() == 4); |
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| 34 | static_assert(names_array[0] == "member1" ); |
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| 35 | static_assert(names_array[1] == "this_is_a_name" ); |
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| 36 | static_assert(names_array[2] == "c" ); |
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| 37 | static_assert(names_array[3] == "Forth" ); |
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| 38 | |
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| 39 | int main() {} |
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| 40 | |
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| 41 | |
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