| |
| // (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 <cstddef> // size_t |
| #include <boost/type_traits/detail/config.hpp> |
| #include <boost/type_traits/is_void.hpp> |
| #include <boost/type_traits/is_scalar.hpp> |
| #include <boost/type_traits/intrinsics.hpp> |
| |
| #ifdef __SUNPRO_CC |
| #include <boost/type_traits/is_function.hpp> |
| #endif |
| |
| #include <cstddef> |
| |
| #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; |
| |
| template <typename T> struct is_pod |
| : public integral_constant<bool, ::boost::is_scalar<T>::value || ::boost::is_void<T>::value || BOOST_INTERNAL_IS_POD(T)> |
| {}; |
| |
| #if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS) |
| template <typename T, std::size_t sz> struct is_pod<T[sz]> : public is_pod<T>{}; |
| #endif |
| |
| |
| // the following help compilers without partial specialization support: |
| template<> struct is_pod<void> : public true_type{}; |
| |
| #ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS |
| template<> struct is_pod<void const> : public true_type{}; |
| template<> struct is_pod<void const volatile> : public true_type{}; |
| template<> struct is_pod<void volatile> : public true_type{}; |
| #endif |
| |
| template<class T> struct is_POD : public is_pod<T>{}; |
| |
| } // namespace boost |
| |
| #undef BOOST_INTERNAL_IS_POD |
| |
| #endif // BOOST_TT_IS_POD_HPP_INCLUDED |