source: XIOS/dev/dev_olga/src/extern/boost/include/boost/mpl/identity.hpp @ 1022

Last change on this file since 1022 was 1022, checked in by mhnguyen, 7 years ago
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1
2#ifndef BOOST_MPL_IDENTITY_HPP_INCLUDED
3#define BOOST_MPL_IDENTITY_HPP_INCLUDED
4
5// Copyright Aleksey Gurtovoy 2000-2004
6//
7// Distributed under the Boost Software License, Version 1.0.
8// (See accompanying file LICENSE_1_0.txt or copy at
9// http://www.boost.org/LICENSE_1_0.txt)
10//
11// See http://www.boost.org/libs/mpl for documentation.
12
13// $Id: identity.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
14// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
15// $Revision: 49267 $
16
17#include <boost/mpl/aux_/na_spec.hpp>
18#include <boost/mpl/aux_/lambda_support.hpp>
19
20namespace boost { namespace mpl {
21
22template<
23      typename BOOST_MPL_AUX_NA_PARAM(T)
24    >
25struct identity
26{
27    typedef T type;
28    BOOST_MPL_AUX_LAMBDA_SUPPORT(1, identity, (T))
29};
30
31template<
32      typename BOOST_MPL_AUX_NA_PARAM(T)
33    >
34struct make_identity
35{
36    typedef identity<T> type;
37    BOOST_MPL_AUX_LAMBDA_SUPPORT(1, make_identity, (T))
38};
39
40BOOST_MPL_AUX_NA_SPEC_NO_ETI(1, identity)
41BOOST_MPL_AUX_NA_SPEC_NO_ETI(1, make_identity)
42
43}}
44
45#endif // BOOST_MPL_IDENTITY_HPP_INCLUDED
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