58 lines
1.0 KiB
C++
58 lines
1.0 KiB
C++
// 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.hpp>
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#include <tuple>
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namespace desc = boost::describe;
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template<class T, template<class...> class L, class... D>
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auto struct_to_tuple_impl( T const& t, L<D...> )
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{
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return std::make_tuple( t.*D::pointer... );
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}
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template<class T,
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class Dm = desc::describe_members<T,
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desc::mod_public | desc::mod_inherited>,
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class En = std::enable_if_t<!std::is_union<T>::value> >
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auto struct_to_tuple( T const& t )
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{
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return struct_to_tuple_impl( t, Dm() );
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}
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#include <boost/core/type_name.hpp>
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#include <iostream>
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struct X
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{
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int a = 1;
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};
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BOOST_DESCRIBE_STRUCT(X, (), (a))
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struct Y
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{
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float b = 3.14f;
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};
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BOOST_DESCRIBE_STRUCT(Y, (), (b))
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struct Z: X, Y
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{
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};
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BOOST_DESCRIBE_STRUCT(Z, (X, Y), ())
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int main()
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{
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Z z;
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auto tp = struct_to_tuple( z );
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std::cout <<
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boost::core::type_name<decltype(tp)>() << ": "
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<< std::get<0>(tp) << ", " << std::get<1>(tp);
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}
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