42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
#ifndef BOOST_DESCRIBE_DESCRIPTOR_BY_NAME_HPP_INCLUDED
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#define BOOST_DESCRIBE_DESCRIPTOR_BY_NAME_HPP_INCLUDED
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// Copyright 2021 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/describe/detail/cx_streq.hpp>
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#include <boost/describe/detail/config.hpp>
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#if defined(BOOST_DESCRIBE_CXX14)
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#include <boost/mp11/algorithm.hpp>
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#include <boost/mp11/bind.hpp>
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#include <boost/mp11/integral.hpp>
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namespace boost
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{
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namespace describe
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{
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namespace detail
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{
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template<class D, class N> using match_by_name = mp11::mp_bool<cx_streq(N::name(), D::name)>;
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#define BOOST_DESCRIBE_MAKE_NAME_IMPL2(s, k) struct _boost_name_##s##_##k { static constexpr char const * name() { return #s; } }
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#define BOOST_DESCRIBE_MAKE_NAME_IMPL(s, k) BOOST_DESCRIBE_MAKE_NAME_IMPL2(s, k)
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} // namespace detail
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#define BOOST_DESCRIBE_MAKE_NAME(s) BOOST_DESCRIBE_MAKE_NAME_IMPL(s, __LINE__)
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template<class L, class N> using descriptor_by_name = mp11::mp_at<L, mp11::mp_find_if_q<L, mp11::mp_bind_back<detail::match_by_name, N>>>;
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} // namespace describe
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} // namespace boost
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#endif // defined(BOOST_DESCRIBE_CXX14)
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#endif // #ifndef BOOST_DESCRIBE_DESCRIPTOR_BY_NAME_HPP_INCLUDED
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