summaryrefslogtreecommitdiffstats
path: root/contrib/src/boost/mpl/always.hpp
blob: cf507536b635e9eae1dc429e28d90b9642d47cb2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38

#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.


// $Id$

// $Date$

// $Revision$


#include <boost/mpl/aux_/preprocessor/default_params.hpp>

#include <boost/mpl/aux_/na.hpp>

#include <boost/mpl/aux_/arity_spec.hpp>


namespace boost { namespace mpl {

template< typename Value > struct always
{
    template<
        BOOST_MPL_PP_DEFAULT_PARAMS(BOOST_MPL_LIMIT_METAFUNCTION_ARITY, typename T, na)
        >
    struct apply
    {
        typedef Value type;
    };
};

BOOST_MPL_AUX_ARITY_SPEC(0, always)

}}

#endif // BOOST_MPL_ALWAYS_HPP_INCLUDED