#ifndef BOOST_DESCRIBE_DETAIL_VOID_T_HPP_INCLUDED #define BOOST_DESCRIBE_DETAIL_VOID_T_HPP_INCLUDED // Copyright 2021 Peter Dimov // Distributed under the Boost Software License, Version 1.0. // https://www.boost.org/LICENSE_1_0.txt #include #if defined(BOOST_DESCRIBE_CXX11) namespace boost { namespace describe { namespace detail { template struct make_void { using type = void; }; template using void_t = typename make_void::type; } // namespace detail } // namespace describe } // namespace boost #endif // defined(BOOST_DESCRIBE_CXX11) #endif // #ifndef BOOST_DESCRIBE_DETAIL_VOID_T_HPP_INCLUDED