[857] | 1 |
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| 2 | // (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
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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 | #ifndef BOOST_TT_ADD_POINTER_HPP_INCLUDED
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| 10 | #define BOOST_TT_ADD_POINTER_HPP_INCLUDED
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| 11 |
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| 12 | #include "boost/type_traits/remove_reference.hpp"
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| 13 |
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| 14 | // should be the last #include
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| 15 | #include "boost/type_traits/detail/type_trait_def.hpp"
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| 16 |
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| 17 | namespace boost {
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| 18 |
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| 19 | namespace detail {
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| 20 |
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| 21 | #if defined(__BORLANDC__) && (__BORLANDC__ < 0x600)
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| 22 | //
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| 23 | // For some reason this implementation stops Borlands compiler
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| 24 | // from dropping cv-qualifiers, it still fails with references
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| 25 | // to arrays for some reason though (shrug...) (JM 20021104)
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| 26 | //
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| 27 | template <typename T>
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| 28 | struct add_pointer_impl
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| 29 | {
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| 30 | typedef T* type;
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| 31 | };
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| 32 | template <typename T>
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| 33 | struct add_pointer_impl<T&>
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| 34 | {
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| 35 | typedef T* type;
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| 36 | };
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| 37 | template <typename T>
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| 38 | struct add_pointer_impl<T&const>
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| 39 | {
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| 40 | typedef T* type;
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| 41 | };
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| 42 | template <typename T>
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| 43 | struct add_pointer_impl<T&volatile>
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| 44 | {
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| 45 | typedef T* type;
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| 46 | };
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| 47 | template <typename T>
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| 48 | struct add_pointer_impl<T&const volatile>
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| 49 | {
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| 50 | typedef T* type;
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| 51 | };
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| 52 |
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| 53 | #else
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| 54 |
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| 55 | template <typename T>
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| 56 | struct add_pointer_impl
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| 57 | {
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| 58 | typedef typename remove_reference<T>::type no_ref_type;
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| 59 | typedef no_ref_type* type;
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| 60 | };
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| 61 |
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| 62 | #endif
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| 63 |
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| 64 | } // namespace detail
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| 65 |
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| 66 | BOOST_TT_AUX_TYPE_TRAIT_DEF1(add_pointer,T,typename detail::add_pointer_impl<T>::type)
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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_ADD_POINTER_HPP_INCLUDED
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