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2 | // (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, Howard
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3 | // Hinnant & John Maddock 2000.
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4 | // Use, modification and distribution are subject to the Boost Software License,
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5 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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6 | // http://www.boost.org/LICENSE_1_0.txt).
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7 | //
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8 | // See http://www.boost.org/libs/type_traits for most recent version including documentation.
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9 |
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10 |
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11 | #ifndef BOOST_TT_REMOVE_VOLATILE_HPP_INCLUDED
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12 | #define BOOST_TT_REMOVE_VOLATILE_HPP_INCLUDED
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13 |
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14 | #include "boost/type_traits/is_const.hpp"
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15 | #include "boost/type_traits/broken_compiler_spec.hpp"
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16 | #include "boost/type_traits/detail/cv_traits_impl.hpp"
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17 | #include "boost/config.hpp"
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18 |
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19 | #include <cstddef>
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20 |
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21 | // should be the last #include
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22 | #include "boost/type_traits/detail/type_trait_def.hpp"
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23 |
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24 | namespace boost {
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25 |
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26 | #ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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27 |
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28 | namespace detail {
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29 |
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30 | template <typename T, bool is_const>
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31 | struct remove_volatile_helper
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32 | {
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33 | typedef T type;
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34 | };
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35 |
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36 | template <typename T>
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37 | struct remove_volatile_helper<T,true>
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38 | {
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39 | typedef T const type;
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40 | };
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41 |
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42 | template <typename T>
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43 | struct remove_volatile_impl
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44 | {
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45 | typedef typename remove_volatile_helper<
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46 | typename cv_traits_imp<T*>::unqualified_type
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47 | , ::boost::is_const<T>::value
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48 | >::type type;
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49 | };
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50 |
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51 | } // namespace detail
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52 |
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53 | // * convert a type T to a non-volatile type - remove_volatile<T>
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54 |
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55 | BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_volatile,T,typename detail::remove_volatile_impl<T>::type)
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56 | BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_volatile,T&,T&)
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57 | #if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS)
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58 | BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,remove_volatile,T volatile[N],T type[N])
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59 | BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,remove_volatile,T const volatile[N],T const type[N])
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60 | #endif
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61 |
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62 | #else
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63 |
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64 | BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_volatile,T,typename detail::remove_volatile_impl<T>::type)
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65 |
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66 | #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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67 |
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68 | } // namespace boost
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69 |
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70 | #include "boost/type_traits/detail/type_trait_undef.hpp"
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71 |
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72 | #endif // BOOST_TT_REMOVE_VOLATILE_HPP_INCLUDED
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