46 lines
937 B
C++
46 lines
937 B
C++
#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( __clang__ ) && !defined( _LIBCPP_VERSION ) && !defined( BOOST_NO_CXX11_DECLTYPE )
|
|
|
|
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
|