[1022] | 1 | // Copyright (C) 2004 Peder Holt |
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| 2 | // Use, modification and distribution is subject to the Boost Software |
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| 3 | // License, Version 1.0. (http://www.boost.org/LICENSE_1_0.txt) |
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| 4 | |
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| 5 | #ifndef BOOST_TYPE_TRAITS_MSVC_REMOVE_POINTER_HOLT_2004_0827 |
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| 6 | #define BOOST_TYPE_TRAITS_MSVC_REMOVE_POINTER_HOLT_2004_0827 |
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| 7 | |
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| 8 | #include <boost/type_traits/msvc/typeof.hpp> |
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| 9 | #include <boost/type_traits/is_pointer.hpp> |
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| 10 | |
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| 11 | namespace boost { |
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| 12 | namespace detail { |
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| 13 | template<int IsPointer> |
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| 14 | struct remove_pointer_impl_typeof { |
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| 15 | template<typename T,typename ID> |
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| 16 | struct inner { |
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| 17 | typedef T type; |
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| 18 | }; |
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| 19 | }; |
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| 20 | template<> |
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| 21 | struct remove_pointer_impl_typeof<true> { |
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| 22 | template<typename T,typename ID> |
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| 23 | struct inner { |
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| 24 | template<typename U> |
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| 25 | static msvc_register_type<U,ID> test(U*); |
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| 26 | static msvc_register_type<T,ID> test(...); |
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| 27 | BOOST_STATIC_CONSTANT(unsigned,register_test=sizeof(test( *((T*)NULL) ) )); |
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| 28 | typedef typename msvc_extract_type<ID>::id2type::type type; |
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| 29 | }; |
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| 30 | }; |
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| 31 | } //namespace detail |
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| 32 | |
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| 33 | template<typename T> |
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| 34 | struct remove_pointer { |
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| 35 | typedef typename boost::detail::remove_pointer_impl_typeof< |
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| 36 | boost::is_pointer<T>::value |
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| 37 | >::template inner<T,remove_pointer<T> >::type type; |
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| 38 | BOOST_MPL_AUX_LAMBDA_SUPPORT(1,remove_pointer,T) |
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| 39 | }; |
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| 40 | } //namespace boost |
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| 41 | |
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| 42 | #endif //BOOST_TYPE_TRAITS_REMOVE_POINTER_HOLT_2004_0827 |
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