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