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- #ifndef BOOST_SMART_PTR_DETAIL_SP_NULLPTR_T_HPP_INCLUDED
- #define BOOST_SMART_PTR_DETAIL_SP_NULLPTR_T_HPP_INCLUDED
- // MS compatible compilers support #pragma once
- #if defined(_MSC_VER) && (_MSC_VER >= 1020)
- # pragma once
- #endif
- // detail/sp_nullptr_t.hpp
- //
- // Copyright 2013 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 <cstddef>
- #if !defined( BOOST_NO_CXX11_NULLPTR )
- namespace boost
- {
- namespace detail
- {
- #if !defined( BOOST_NO_CXX11_DECLTYPE ) && ( ( defined( __clang__ ) && !defined( _LIBCPP_VERSION ) ) || defined( __INTEL_COMPILER ) )
- typedef decltype(nullptr) sp_nullptr_t;
- #else
- typedef std::nullptr_t sp_nullptr_t;
- #endif
- } // namespace detail
- } // namespace boost
- #endif // !defined( BOOST_NO_CXX11_NULLPTR )
- #endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_NULLPTR_T_HPP_INCLUDED
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