Chris@16: #ifndef BOOST_SMART_PTR_DETAIL_SP_NULLPTR_T_HPP_INCLUDED
Chris@16: #define BOOST_SMART_PTR_DETAIL_SP_NULLPTR_T_HPP_INCLUDED
Chris@16: 
Chris@16: // MS compatible compilers support #pragma once
Chris@16: 
Chris@16: #if defined(_MSC_VER) && (_MSC_VER >= 1020)
Chris@16: # pragma once
Chris@16: #endif
Chris@16: 
Chris@16: //  detail/sp_nullptr_t.hpp
Chris@16: //
Chris@16: //  Copyright 2013 Peter Dimov
Chris@16: //
Chris@16: //  Distributed under the Boost Software License, Version 1.0.
Chris@16: //  See accompanying file LICENSE_1_0.txt or copy at
Chris@16: //  http://www.boost.org/LICENSE_1_0.txt
Chris@16: 
Chris@16: #include <boost/config.hpp>
Chris@16: #include <cstddef>
Chris@16: 
Chris@16: #if !defined( BOOST_NO_CXX11_NULLPTR )
Chris@16: 
Chris@16: namespace boost
Chris@16: {
Chris@16: 
Chris@16: namespace detail
Chris@16: {
Chris@16: 
Chris@101: #if !defined( BOOST_NO_CXX11_DECLTYPE ) && ( ( defined( __clang__ ) && !defined( _LIBCPP_VERSION ) ) || defined( __INTEL_COMPILER ) )
Chris@16: 
Chris@16:     typedef decltype(nullptr) sp_nullptr_t;
Chris@16: 
Chris@16: #else
Chris@16: 
Chris@16:     typedef std::nullptr_t sp_nullptr_t;
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@16: } // namespace detail
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #endif // !defined( BOOST_NO_CXX11_NULLPTR )
Chris@16: 
Chris@16: #endif  // #ifndef BOOST_SMART_PTR_DETAIL_SP_NULLPTR_T_HPP_INCLUDED