#ifndef BOOST_DETAIL_SP_TYPEINFO_HPP_INCLUDED

#define BOOST_DETAIL_SP_TYPEINFO_HPP_INCLUDED



// MS compatible compilers support #pragma once



#if defined(_MSC_VER) && (_MSC_VER >= 1020)

# pragma once

#endif



//  detail/sp_typeinfo.hpp

//

//  Copyright 2007 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>



#if defined( BOOST_NO_TYPEID )



namespace boost

{



namespace detail

{



typedef void* sp_typeinfo;



template<class T> struct sp_typeid_

{

    static char v_;

};



template<class T> char sp_typeid_< T >::v_;



template<class T> struct sp_typeid_< T const >: sp_typeid_< T >

{

};



template<class T> struct sp_typeid_< T volatile >: sp_typeid_< T >

{

};



template<class T> struct sp_typeid_< T const volatile >: sp_typeid_< T >

{

};



} // namespace detail



} // namespace boost



#define BOOST_SP_TYPEID(T) (&boost::detail::sp_typeid_<T>::v_)



#else



#include <typeinfo>



namespace boost

{



namespace detail

{



#if defined( BOOST_NO_STD_TYPEINFO )



typedef ::type_info sp_typeinfo;



#else



typedef std::type_info sp_typeinfo;



#endif



} // namespace detail



} // namespace boost



#define BOOST_SP_TYPEID(T) typeid(T)



#endif



#endif  // #ifndef BOOST_DETAIL_SP_TYPEINFO_HPP_INCLUDED

