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편집 파일: is_placeholder.hpp

#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