[857] | 1 |
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| 2 | // (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
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| 3 | // Use, modification and distribution are subject to the Boost Software License,
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| 4 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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| 5 | // http://www.boost.org/LICENSE_1_0.txt).
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| 6 | //
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| 7 | // See http://www.boost.org/libs/type_traits for most recent version including documentation.
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| 8 |
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| 9 | #ifndef BOOST_TT_IS_SCALAR_HPP_INCLUDED
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| 10 | #define BOOST_TT_IS_SCALAR_HPP_INCLUDED
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| 11 |
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| 12 | #include "boost/type_traits/is_arithmetic.hpp"
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| 13 | #include "boost/type_traits/is_enum.hpp"
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| 14 | #include "boost/type_traits/is_pointer.hpp"
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| 15 | #include "boost/type_traits/is_member_pointer.hpp"
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| 16 | #include "boost/type_traits/detail/ice_or.hpp"
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| 17 | #include "boost/config.hpp"
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| 18 |
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| 19 | // should be the last #include
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| 20 | #include "boost/type_traits/detail/bool_trait_def.hpp"
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| 21 |
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| 22 | namespace boost {
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| 23 |
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| 24 | namespace detail {
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| 25 |
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| 26 | template <typename T>
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| 27 | struct is_scalar_impl
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| 28 | {
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| 29 | BOOST_STATIC_CONSTANT(bool, value =
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| 30 | (::boost::type_traits::ice_or<
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| 31 | ::boost::is_arithmetic<T>::value,
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| 32 | ::boost::is_enum<T>::value,
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| 33 | ::boost::is_pointer<T>::value,
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| 34 | ::boost::is_member_pointer<T>::value
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| 35 | >::value));
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| 36 | };
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| 37 |
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| 38 | // these specializations are only really needed for compilers
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| 39 | // without partial specialization support:
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| 40 | template <> struct is_scalar_impl<void>{ BOOST_STATIC_CONSTANT(bool, value = false ); };
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| 41 | #ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
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| 42 | template <> struct is_scalar_impl<void const>{ BOOST_STATIC_CONSTANT(bool, value = false ); };
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| 43 | template <> struct is_scalar_impl<void volatile>{ BOOST_STATIC_CONSTANT(bool, value = false ); };
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| 44 | template <> struct is_scalar_impl<void const volatile>{ BOOST_STATIC_CONSTANT(bool, value = false ); };
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| 45 | #endif
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| 46 |
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| 47 | } // namespace detail
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| 48 |
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| 49 | BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_scalar,T,::boost::detail::is_scalar_impl<T>::value)
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| 50 |
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| 51 | } // namespace boost
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| 52 |
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| 53 | #include "boost/type_traits/detail/bool_trait_undef.hpp"
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| 54 |
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| 55 | #endif // BOOST_TT_IS_SCALAR_HPP_INCLUDED
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