apply_1st.hpp

boost库提供标准的C++ API 配合dev c++使用,功能更加强大

//-----------------------------------------------------------------------------
// boost mpl/aux_/apply_1st.hpp header file
// See http://www.boost.org for updates, documentation, and revision history.
//-----------------------------------------------------------------------------
//
// Copyright (c) 2002
// Aleksey Gurtovoy
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee, 
// provided that the above copyright notice appears in all copies and 
// that both the copyright notice and this permission notice appear in 
// supporting documentation. No representations are made about the 
// suitability of this software for any purpose. It is provided "as is" 
// without express or implied warranty.

#ifndef BOOST_MPL_AUX_APPLY_1ST_HPP_INCLUDED
#define BOOST_MPL_AUX_APPLY_1ST_HPP_INCLUDED

#include "boost/mpl/apply.hpp"

namespace boost {
namespace mpl {
namespace aux {

struct apply_1st
{
    template< typename Pair, typename T > struct apply
        : apply2<
              typename Pair::first
            , typename Pair::second
            , T
            >
    {
    };
};

} // namespace aux
} // namespace mpl
} // namespace boost

#endif // BOOST_MPL_AUX_APPLY_1ST_HPP_INCLUDED