// Copyright (c) 2018-2021 Antony Polukhin // // Distributed under the Boost Software License, Version 1.0. (See accompanying // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) #include struct some_struct { int i; int j; }; int main() { return static_cast(boost::pfr::detail::fields_count()); }