void.hpp

C++的一个好库。。。现在很流行

// Copyright Daniel Wallin, David Abrahams 2005. Use, modification and
// distribution is subject to 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)

#ifndef VOID_050329_HPP
#define VOID_050329_HPP

namespace boost { namespace parameter { namespace aux {

// A placemarker for "no argument passed."
// MAINTAINER NOTE: Do not make this into a metafunction
struct void_ {}; 

}}} // namespace boost::parameter::aux

#endif // VOID_050329_HPP