[857] | 1 |
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| 2 | // (C) Copyright John Maddock 2005.
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| 3 | // Use, modification and distribution are subject to the Boost Software License,
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| 4 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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| 5 | // http://www.boost.org/LICENSE_1_0.txt).
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| 6 | //
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| 7 | // See http://www.boost.org/libs/type_traits for most recent version including documentation.
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| 8 |
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| 9 |
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| 10 | #ifndef BOOST_TT_EXTENT_HPP_INCLUDED
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| 11 | #define BOOST_TT_EXTENT_HPP_INCLUDED
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| 12 |
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| 13 | // should be the last #include
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| 14 | #include "boost/type_traits/detail/size_t_trait_def.hpp"
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| 15 |
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| 16 | namespace boost {
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| 17 |
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| 18 | namespace detail{
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| 19 |
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| 20 | template <class T, std::size_t N>
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| 21 | struct extent_imp
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| 22 | {
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| 23 | BOOST_STATIC_CONSTANT(std::size_t, value = 0);
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| 24 | };
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| 25 | #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS)
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| 26 | template <class T, std::size_t R, std::size_t N>
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| 27 | struct extent_imp<T[R], N>
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| 28 | {
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| 29 | BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::extent_imp<T, N-1>::value));
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| 30 | };
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| 31 |
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| 32 | template <class T, std::size_t R, std::size_t N>
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| 33 | struct extent_imp<T const[R], N>
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| 34 | {
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| 35 | BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::extent_imp<T, N-1>::value));
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| 36 | };
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| 37 |
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| 38 | template <class T, std::size_t R, std::size_t N>
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| 39 | struct extent_imp<T volatile[R], N>
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| 40 | {
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| 41 | BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::extent_imp<T, N-1>::value));
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| 42 | };
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| 43 |
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| 44 | template <class T, std::size_t R, std::size_t N>
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| 45 | struct extent_imp<T const volatile[R], N>
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| 46 | {
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| 47 | BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::extent_imp<T, N-1>::value));
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| 48 | };
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| 49 |
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| 50 | template <class T, std::size_t R>
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| 51 | struct extent_imp<T[R],0>
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| 52 | {
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| 53 | BOOST_STATIC_CONSTANT(std::size_t, value = R);
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| 54 | };
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| 55 |
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| 56 | template <class T, std::size_t R>
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| 57 | struct extent_imp<T const[R], 0>
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| 58 | {
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| 59 | BOOST_STATIC_CONSTANT(std::size_t, value = R);
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| 60 | };
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| 61 |
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| 62 | template <class T, std::size_t R>
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| 63 | struct extent_imp<T volatile[R], 0>
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| 64 | {
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| 65 | BOOST_STATIC_CONSTANT(std::size_t, value = R);
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| 66 | };
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| 67 |
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| 68 | template <class T, std::size_t R>
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| 69 | struct extent_imp<T const volatile[R], 0>
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| 70 | {
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| 71 | BOOST_STATIC_CONSTANT(std::size_t, value = R);
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| 72 | };
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| 73 |
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| 74 | #if !BOOST_WORKAROUND(__BORLANDC__, < 0x600) && !defined(__IBMCPP__) && !BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x840)) && !defined(__MWERKS__)
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| 75 | template <class T, std::size_t N>
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| 76 | struct extent_imp<T[], N>
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| 77 | {
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| 78 | BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::extent_imp<T, N-1>::value));
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| 79 | };
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| 80 | template <class T, std::size_t N>
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| 81 | struct extent_imp<T const[], N>
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| 82 | {
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| 83 | BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::extent_imp<T, N-1>::value));
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| 84 | };
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| 85 | template <class T, std::size_t N>
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| 86 | struct extent_imp<T volatile[], N>
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| 87 | {
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| 88 | BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::extent_imp<T, N-1>::value));
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| 89 | };
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| 90 | template <class T, std::size_t N>
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| 91 | struct extent_imp<T const volatile[], N>
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| 92 | {
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| 93 | BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::extent_imp<T, N-1>::value));
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| 94 | };
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| 95 | template <class T>
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| 96 | struct extent_imp<T[], 0>
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| 97 | {
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| 98 | BOOST_STATIC_CONSTANT(std::size_t, value = 0);
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| 99 | };
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| 100 | template <class T>
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| 101 | struct extent_imp<T const[], 0>
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| 102 | {
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| 103 | BOOST_STATIC_CONSTANT(std::size_t, value = 0);
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| 104 | };
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| 105 | template <class T>
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| 106 | struct extent_imp<T volatile[], 0>
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| 107 | {
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| 108 | BOOST_STATIC_CONSTANT(std::size_t, value = 0);
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| 109 | };
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| 110 | template <class T>
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| 111 | struct extent_imp<T const volatile[], 0>
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| 112 | {
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| 113 | BOOST_STATIC_CONSTANT(std::size_t, value = 0);
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| 114 | };
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| 115 | #endif
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| 116 | #endif
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| 117 | }
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| 118 |
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| 119 | template <class T, std::size_t N = 0>
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| 120 | struct extent
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| 121 | : public ::boost::integral_constant<std::size_t, ::boost::detail::extent_imp<T,N>::value>
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| 122 | {
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| 123 | #if BOOST_WORKAROUND(BOOST_MSVC, <= 1200)
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| 124 | typedef ::boost::integral_constant<std::size_t, ::boost::detail::extent_imp<T,N>::value> base_;
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| 125 | using base_::value;
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| 126 | #endif
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| 127 | BOOST_MPL_AUX_LAMBDA_SUPPORT(1,extent,(T))
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| 128 | };
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| 129 |
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| 130 | } // namespace boost
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| 131 |
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| 132 | #include "boost/type_traits/detail/size_t_trait_undef.hpp"
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| 133 |
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| 134 | #endif // BOOST_TT_IS_MEMBER_FUNCTION_POINTER_HPP_INCLUDED
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