source: vendor/nemo/current/NEMOGCM/EXTERNAL/XIOS/extern/boost/include/boost/type_traits/remove_const.hpp @ 44

Last change on this file since 44 was 44, checked in by cholod, 12 years ago

Load NEMO_TMP into vendor/nemo/current.

File size: 2.4 KB
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1
2//  (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, Howard
3//  Hinnant & John Maddock 2000. 
4//  Use, modification and distribution are subject to the Boost Software License,
5//  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
6//  http://www.boost.org/LICENSE_1_0.txt).
7//
8//  See http://www.boost.org/libs/type_traits for most recent version including documentation.
9
10
11#ifndef BOOST_TT_REMOVE_CONST_HPP_INCLUDED
12#define BOOST_TT_REMOVE_CONST_HPP_INCLUDED
13
14#include <boost/type_traits/is_volatile.hpp>
15#include <boost/type_traits/broken_compiler_spec.hpp>
16#include <boost/type_traits/detail/cv_traits_impl.hpp>
17#include <boost/config.hpp>
18#include <boost/detail/workaround.hpp>
19
20#include <cstddef>
21
22#if BOOST_WORKAROUND(BOOST_MSVC,<=1300)
23#include <boost/type_traits/msvc/remove_const.hpp>
24#endif
25
26// should be the last #include
27#include <boost/type_traits/detail/type_trait_def.hpp>
28
29namespace boost {
30
31#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
32
33namespace detail {
34
35template <typename T, bool is_vol>
36struct remove_const_helper
37{
38    typedef T type;
39};
40
41template <typename T>
42struct remove_const_helper<T, true>
43{
44    typedef T volatile type;
45};
46
47
48template <typename T>
49struct remove_const_impl
50{
51    typedef typename remove_const_helper<
52          typename cv_traits_imp<T*>::unqualified_type
53        , ::boost::is_volatile<T>::value
54        >::type type;
55};
56
57#ifndef BOOST_NO_RVALUE_REFERENCES
58//
59// We can't filter out rvalue_references at the same level as
60// references or we get ambiguities from msvc:
61//
62template <typename T>
63struct remove_const_impl<T&&>
64{
65    typedef T&& type;
66};
67#endif
68
69} // namespace detail
70
71// * convert a type T to non-const type - remove_const<T>
72
73BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_const,T,typename boost::detail::remove_const_impl<T>::type)
74BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_const,T&,T&)
75#if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS)
76BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,remove_const,T const[N],T type[N])
77BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,remove_const,T const volatile[N],T volatile type[N])
78#endif
79
80#elif !BOOST_WORKAROUND(BOOST_MSVC,<=1300)
81
82BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_const,T,typename boost::detail::remove_const_impl<T>::type)
83
84#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
85
86} // namespace boost
87
88#include <boost/type_traits/detail/type_trait_undef.hpp>
89
90#endif // BOOST_TT_REMOVE_CONST_HPP_INCLUDED
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