|
sl@0
|
1 |
|
|
sl@0
|
2 |
#ifndef BOOST_MPL_IDENTITY_HPP_INCLUDED
|
|
sl@0
|
3 |
#define BOOST_MPL_IDENTITY_HPP_INCLUDED
|
|
sl@0
|
4 |
|
|
sl@0
|
5 |
// Copyright Aleksey Gurtovoy 2000-2004
|
|
sl@0
|
6 |
//
|
|
sl@0
|
7 |
// Distributed under the Boost Software License, Version 1.0.
|
|
sl@0
|
8 |
// (See accompanying file LICENSE_1_0.txt or copy at
|
|
sl@0
|
9 |
// http://www.boost.org/LICENSE_1_0.txt)
|
|
sl@0
|
10 |
//
|
|
sl@0
|
11 |
// See http://www.boost.org/libs/mpl for documentation.
|
|
sl@0
|
12 |
|
|
sl@0
|
13 |
// $Source: /cvsroot/boost/boost/boost/mpl/identity.hpp,v $
|
|
sl@0
|
14 |
// $Date: 2004/09/02 15:40:41 $
|
|
sl@0
|
15 |
// $Revision: 1.4 $
|
|
sl@0
|
16 |
|
|
sl@0
|
17 |
#include <boost/mpl/aux_/na_spec.hpp>
|
|
sl@0
|
18 |
#include <boost/mpl/aux_/lambda_support.hpp>
|
|
sl@0
|
19 |
|
|
sl@0
|
20 |
namespace boost { namespace mpl {
|
|
sl@0
|
21 |
|
|
sl@0
|
22 |
template<
|
|
sl@0
|
23 |
typename BOOST_MPL_AUX_NA_PARAM(T)
|
|
sl@0
|
24 |
>
|
|
sl@0
|
25 |
struct identity
|
|
sl@0
|
26 |
{
|
|
sl@0
|
27 |
typedef T type;
|
|
sl@0
|
28 |
BOOST_MPL_AUX_LAMBDA_SUPPORT(1, identity, (T))
|
|
sl@0
|
29 |
};
|
|
sl@0
|
30 |
|
|
sl@0
|
31 |
template<
|
|
sl@0
|
32 |
typename BOOST_MPL_AUX_NA_PARAM(T)
|
|
sl@0
|
33 |
>
|
|
sl@0
|
34 |
struct make_identity
|
|
sl@0
|
35 |
{
|
|
sl@0
|
36 |
typedef identity<T> type;
|
|
sl@0
|
37 |
BOOST_MPL_AUX_LAMBDA_SUPPORT(1, make_identity, (T))
|
|
sl@0
|
38 |
};
|
|
sl@0
|
39 |
|
|
sl@0
|
40 |
BOOST_MPL_AUX_NA_SPEC_NO_ETI(1, identity)
|
|
sl@0
|
41 |
BOOST_MPL_AUX_NA_SPEC_NO_ETI(1, make_identity)
|
|
sl@0
|
42 |
|
|
sl@0
|
43 |
}}
|
|
sl@0
|
44 |
|
|
sl@0
|
45 |
#endif // BOOST_MPL_IDENTITY_HPP_INCLUDED
|