Boost C++ Libraries

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boost/describe/detail/void_t.hpp

#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 <boost/describe/detail/config.hpp>

#if defined(BOOST_DESCRIBE_CXX11)

namespace boost
{
namespace describe
{
namespace detail
{

template<class...> struct make_void
{
    using type = void;
};

template<class... T> using void_t = typename make_void<T...>::type;

} // namespace detail
} // namespace describe
} // namespace boost

#endif // defined(BOOST_DESCRIBE_CXX11)

#endif // #ifndef BOOST_DESCRIBE_DETAIL_VOID_T_HPP_INCLUDED