40 lines
979 B
C++
40 lines
979 B
C++
|
|
#ifndef BOOST_MPL_ALWAYS_HPP_INCLUDED
|
|
#define BOOST_MPL_ALWAYS_HPP_INCLUDED
|
|
|
|
// Copyright Aleksey Gurtovoy 2001-2004
|
|
//
|
|
// 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)
|
|
//
|
|
// See http://www.boost.org/libs/mpl for documentation.
|
|
|
|
// $Id: always.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
|
|
// $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
|
|
// $Revision: 49267 $
|
|
|
|
#include <boost/mpl/aux_/preprocessor/def_params_tail.hpp>
|
|
#include <boost/mpl/aux_/na.hpp>
|
|
#include <boost/mpl/aux_/arity_spec.hpp>
|
|
|
|
namespace boost { namespace mpl {
|
|
|
|
template< typename Value > struct always
|
|
{
|
|
template<
|
|
typename T
|
|
BOOST_MPL_PP_NESTED_DEF_PARAMS_TAIL(1, typename T, na)
|
|
>
|
|
struct apply
|
|
{
|
|
typedef Value type;
|
|
};
|
|
};
|
|
|
|
BOOST_MPL_AUX_ARITY_SPEC(1, always)
|
|
|
|
}}
|
|
|
|
#endif // BOOST_MPL_ALWAYS_HPP_INCLUDED
|