#ifndef BOOST_IS_PLACEHOLDER_HPP_INCLUDED

#define BOOST_IS_PLACEHOLDER_HPP_INCLUDED

// MS compatible compilers support #pragma once

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

# pragma once

#endif

//  is_placeholder.hpp - TR1 is_placeholder metafunction

//

//  Copyright (c) 2006 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

namespace boost

{

template< class T > struct is_placeholder

{

    enum _vt { value = 0 };

};

} // namespace boost

#endif // #ifndef BOOST_IS_PLACEHOLDER_HPP_INCLUDED