| |
| // (C) Copyright 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. |
| |
| #ifndef BOOST_TT_IS_POD_HPP_INCLUDED |
| #define BOOST_TT_IS_POD_HPP_INCLUDED |
| |
| #include <boost/type_traits/config.hpp> |
| #include <boost/type_traits/is_void.hpp> |
| #include <boost/type_traits/is_scalar.hpp> |
| #include <boost/type_traits/detail/ice_or.hpp> |
| #include <boost/type_traits/intrinsics.hpp> |
| |
| #include <cstddef> |
| |
| // should be the last #include |
| #include <boost/type_traits/detail/bool_trait_def.hpp> |
| |
| #ifndef BOOST_IS_POD |
| #define BOOST_INTERNAL_IS_POD(T) false |
| #else |
| #define BOOST_INTERNAL_IS_POD(T) BOOST_IS_POD(T) |
| #endif |
| |
| namespace boost { |
| |
| // forward declaration, needed by 'is_pod_array_helper' template below |
| template< typename T > struct is_POD; |
| |
| namespace detail { |
| |
| |
| template <typename T> struct is_pod_impl |
| { |
| BOOST_STATIC_CONSTANT( |
| bool, value = |
| (::boost::type_traits::ice_or< |
| ::boost::is_scalar<T>::value, |
| ::boost::is_void<T>::value, |
| BOOST_INTERNAL_IS_POD(T) |
| >::value)); |
| }; |
| |
| #if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS) |
| template <typename T, std::size_t sz> |
| struct is_pod_impl<T[sz]> |
| : public is_pod_impl<T> |
| { |
| }; |
| #endif |
| |
| |
| // the following help compilers without partial specialization support: |
| BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pod,void,true) |
| |
| #ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS |
| BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pod,void const,true) |
| BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pod,void volatile,true) |
| BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pod,void const volatile,true) |
| #endif |
| |
| } // namespace detail |
| |
| BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_pod,T,::boost::detail::is_pod_impl<T>::value) |
| // is_POD is the old depricated name for this trait, do not use this as it may |
| // be removed in future without warning!! |
| BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_POD,T,::boost::is_pod<T>::value) |
| |
| } // namespace boost |
| |
| #include <boost/type_traits/detail/bool_trait_undef.hpp> |
| |
| #undef BOOST_INTERNAL_IS_POD |
| |
| #endif // BOOST_TT_IS_POD_HPP_INCLUDED |