42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
// Copyright (c) 2023 Denis Mikhailov
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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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#ifndef BOOST_PFR_DETAIL_STDARRAY_HPP
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#define BOOST_PFR_DETAIL_STDARRAY_HPP
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#pragma once
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#include <boost/pfr/detail/config.hpp>
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#include <boost/pfr/detail/sequence_tuple.hpp>
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#if !defined(BOOST_PFR_INTERFACE_UNIT)
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#include <array>
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#if BOOST_PFR_CORE_NAME_ENABLED
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# include <string_view>
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#endif
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#include <utility> // metaprogramming stuff
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#endif
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namespace boost { namespace pfr { namespace detail {
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#if BOOST_PFR_CORE_NAME_ENABLED
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template <class T, std::size_t... I>
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constexpr auto make_stdarray_from_tietuple(const T& t, std::index_sequence<I...>) noexcept {
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return std::array<std::string_view, sizeof...(I)>{
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boost::pfr::detail::sequence_tuple::get<I>(t)...
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};
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}
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#else
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template <class T, std::size_t... I>
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constexpr auto make_stdarray_from_tietuple(const T&, std::index_sequence<I...>) noexcept {
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return nullptr;
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}
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#endif
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}}} // namespace boost::pfr::detail
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#endif // BOOST_PFR_DETAIL_STDARRAY_HPP
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