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#ifndef BOOST_MP11_DETAIL_CONFIG_HPP_INCLUDED
#define BOOST_MP11_DETAIL_CONFIG_HPP_INCLUDED
// Copyright 2016 Peter Dimov.
//
// 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 <boost/config.hpp>
#include <boost/detail/workaround.hpp>
#if defined( BOOST_NO_CXX11_CONSTEXPR )
# define BOOST_MP11_NO_CONSTEXPR
#elif defined( BOOST_MSVC ) && BOOST_WORKAROUND( BOOST_MSVC, < 1920 )
# define BOOST_MP11_NO_CONSTEXPR
#endif
#if defined(__cpp_fold_expressions) && __cpp_fold_expressions >= 201603
# define BOOST_MP11_HAS_FOLD_EXPRESSIONS
#elif defined(BOOST_CLANG) && defined(__has_cpp_attribute)
# if __has_cpp_attribute(fallthrough) && __cplusplus >= 201406L // Clang 3.9+ in c++1z mode
# define BOOST_MP11_HAS_FOLD_EXPRESSIONS
# endif
#endif
#if defined(__has_builtin)
# if __has_builtin(__type_pack_element)
# define BOOST_MP11_HAS_TYPE_PACK_ELEMENT
# endif
#endif
#endif // #ifndef BOOST_MP11_DETAIL_CONFIG_HPP_INCLUDED
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