| |
| // (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, Howard |
| // Hinnant & John Maddock 2000. |
| // Use, modification and distribution are subject to the Boost Software License, |
| // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt). |
| // |
| // See http://www.boost.org/libs/type_traits for most recent version including documentation. |
| |
| |
| // Some fixes for is_array are based on a newsgroup posting by Jonathan Lundquist. |
| |
| |
| #ifndef NDNBOOST_TT_IS_ARRAY_HPP_INCLUDED |
| #define NDNBOOST_TT_IS_ARRAY_HPP_INCLUDED |
| |
| #include <ndnboost/type_traits/config.hpp> |
| |
| #ifdef NDNBOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
| # include <ndnboost/type_traits/detail/yes_no_type.hpp> |
| # include <ndnboost/type_traits/detail/wrap.hpp> |
| #endif |
| |
| #include <cstddef> |
| |
| // should be the last #include |
| #include <ndnboost/type_traits/detail/bool_trait_def.hpp> |
| |
| namespace ndnboost { |
| |
| #if defined( __CODEGEARC__ ) |
| NDNBOOST_TT_AUX_BOOL_TRAIT_DEF1(is_array,T,__is_array(T)) |
| #elif !defined(NDNBOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) |
| NDNBOOST_TT_AUX_BOOL_TRAIT_DEF1(is_array,T,false) |
| #if !defined(NDNBOOST_NO_ARRAY_TYPE_SPECIALIZATIONS) |
| NDNBOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,is_array,T[N],true) |
| NDNBOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,is_array,T const[N],true) |
| NDNBOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,is_array,T volatile[N],true) |
| NDNBOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,is_array,T const volatile[N],true) |
| #if !NDNBOOST_WORKAROUND(__BORLANDC__, < 0x600) && !defined(__IBMCPP__) && !NDNBOOST_WORKAROUND(__DMC__, NDNBOOST_TESTED_AT(0x840)) |
| NDNBOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_array,T[],true) |
| NDNBOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_array,T const[],true) |
| NDNBOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_array,T volatile[],true) |
| NDNBOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_array,T const volatile[],true) |
| #endif |
| #endif |
| |
| #else // NDNBOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
| |
| namespace detail { |
| |
| using ::ndnboost::type_traits::yes_type; |
| using ::ndnboost::type_traits::no_type; |
| using ::ndnboost::type_traits::wrap; |
| |
| template< typename T > T(* is_array_tester1(wrap<T>) )(wrap<T>); |
| char NDNBOOST_TT_DECL is_array_tester1(...); |
| |
| template< typename T> no_type is_array_tester2(T(*)(wrap<T>)); |
| yes_type NDNBOOST_TT_DECL is_array_tester2(...); |
| |
| template< typename T > |
| struct is_array_impl |
| { |
| NDNBOOST_STATIC_CONSTANT(bool, value = |
| sizeof(::ndnboost::detail::is_array_tester2( |
| ::ndnboost::detail::is_array_tester1( |
| ::ndnboost::type_traits::wrap<T>() |
| ) |
| )) == 1 |
| ); |
| }; |
| |
| #ifndef NDNBOOST_NO_CV_VOID_SPECIALIZATIONS |
| NDNBOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_array,void,false) |
| NDNBOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_array,void const,false) |
| NDNBOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_array,void volatile,false) |
| NDNBOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_array,void const volatile,false) |
| #endif |
| |
| } // namespace detail |
| |
| NDNBOOST_TT_AUX_BOOL_TRAIT_DEF1(is_array,T,::ndnboost::detail::is_array_impl<T>::value) |
| |
| #endif // NDNBOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
| |
| } // namespace ndnboost |
| |
| #include <ndnboost/type_traits/detail/bool_trait_undef.hpp> |
| |
| #endif // NDNBOOST_TT_IS_ARRAY_HPP_INCLUDED |