Jeff Thompson | a28eed8 | 2013-08-22 16:21:10 -0700 | [diff] [blame] | 1 | |
| 2 | // (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000. |
| 3 | // Use, modification and distribution are subject to the Boost Software License, |
| 4 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
| 5 | // http://www.boost.org/LICENSE_1_0.txt). |
| 6 | // |
| 7 | // See http://www.boost.org/libs/type_traits for most recent version including documentation. |
| 8 | |
| 9 | #ifndef BOOST_TT_ADD_POINTER_HPP_INCLUDED |
| 10 | #define BOOST_TT_ADD_POINTER_HPP_INCLUDED |
| 11 | |
| 12 | #include <ndnboost/type_traits/remove_reference.hpp> |
| 13 | |
| 14 | // should be the last #include |
| 15 | #include <ndnboost/type_traits/detail/type_trait_def.hpp> |
| 16 | |
| 17 | namespace ndnboost { |
| 18 | |
| 19 | namespace detail { |
| 20 | |
| 21 | #if defined(__BORLANDC__) && (__BORLANDC__ < 0x5A0) |
| 22 | // |
| 23 | // For some reason this implementation stops Borlands compiler |
| 24 | // from dropping cv-qualifiers, it still fails with references |
| 25 | // to arrays for some reason though (shrug...) (JM 20021104) |
| 26 | // |
| 27 | template <typename T> |
| 28 | struct add_pointer_impl |
| 29 | { |
| 30 | typedef T* type; |
| 31 | }; |
| 32 | template <typename T> |
| 33 | struct add_pointer_impl<T&> |
| 34 | { |
| 35 | typedef T* type; |
| 36 | }; |
| 37 | template <typename T> |
| 38 | struct add_pointer_impl<T&const> |
| 39 | { |
| 40 | typedef T* type; |
| 41 | }; |
| 42 | template <typename T> |
| 43 | struct add_pointer_impl<T&volatile> |
| 44 | { |
| 45 | typedef T* type; |
| 46 | }; |
| 47 | template <typename T> |
| 48 | struct add_pointer_impl<T&const volatile> |
| 49 | { |
| 50 | typedef T* type; |
| 51 | }; |
| 52 | |
| 53 | #else |
| 54 | |
| 55 | template <typename T> |
| 56 | struct add_pointer_impl |
| 57 | { |
| 58 | typedef typename remove_reference<T>::type no_ref_type; |
| 59 | typedef no_ref_type* type; |
| 60 | }; |
| 61 | |
| 62 | #endif |
| 63 | |
| 64 | } // namespace detail |
| 65 | |
| 66 | BOOST_TT_AUX_TYPE_TRAIT_DEF1(add_pointer,T,typename ndnboost::detail::add_pointer_impl<T>::type) |
| 67 | |
| 68 | } // namespace ndnboost |
| 69 | |
| 70 | #include <ndnboost/type_traits/detail/type_trait_undef.hpp> |
| 71 | |
| 72 | #endif // BOOST_TT_ADD_POINTER_HPP_INCLUDED |