| |
| // (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_SCALAR_HPP_INCLUDED |
| #define BOOST_TT_IS_SCALAR_HPP_INCLUDED |
| |
| #include <boost/type_traits/is_arithmetic.hpp> |
| #include <boost/type_traits/is_enum.hpp> |
| #include <boost/type_traits/is_pointer.hpp> |
| #include <boost/type_traits/is_member_pointer.hpp> |
| #include <boost/type_traits/detail/ice_or.hpp> |
| #include <boost/config.hpp> |
| |
| // should be the last #include |
| #include <boost/type_traits/detail/bool_trait_def.hpp> |
| |
| namespace boost { |
| |
| namespace detail { |
| |
| template <typename T> |
| struct is_scalar_impl |
| { |
| BOOST_STATIC_CONSTANT(bool, value = |
| (::boost::type_traits::ice_or< |
| ::boost::is_arithmetic<T>::value, |
| ::boost::is_enum<T>::value, |
| ::boost::is_pointer<T>::value, |
| ::boost::is_member_pointer<T>::value |
| >::value)); |
| }; |
| |
| // these specializations are only really needed for compilers |
| // without partial specialization support: |
| template <> struct is_scalar_impl<void>{ BOOST_STATIC_CONSTANT(bool, value = false ); }; |
| #ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS |
| template <> struct is_scalar_impl<void const>{ BOOST_STATIC_CONSTANT(bool, value = false ); }; |
| template <> struct is_scalar_impl<void volatile>{ BOOST_STATIC_CONSTANT(bool, value = false ); }; |
| template <> struct is_scalar_impl<void const volatile>{ BOOST_STATIC_CONSTANT(bool, value = false ); }; |
| #endif |
| |
| } // namespace detail |
| |
| BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_scalar,T,::boost::detail::is_scalar_impl<T>::value) |
| |
| } // namespace boost |
| |
| #include <boost/type_traits/detail/bool_trait_undef.hpp> |
| |
| #endif // BOOST_TT_IS_SCALAR_HPP_INCLUDED |