boost/type_traits/has_trivial_copy.hpp

   1
   2 //  (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
   3 //  Use, modification and distribution are subject to the Boost Software License,
   4 //  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   5 //  http://www.boost.org/LICENSE_1_0.txt).
   6 //
   7 //  See http://www.boost.org/libs/type_traits for most recent version including documentation.
   8
   9 #ifndef BOOST_TT_HAS_TRIVIAL_COPY_HPP_INCLUDED
  10 #define BOOST_TT_HAS_TRIVIAL_COPY_HPP_INCLUDED
  11
  12 #include <boost/type_traits/config.hpp>
  13 #include <boost/type_traits/intrinsics.hpp>
  14 #include <boost/type_traits/is_volatile.hpp>
  15 #include <boost/type_traits/is_pod.hpp>
  16 #include <boost/type_traits/detail/ice_and.hpp>
  17 #include <boost/type_traits/detail/ice_or.hpp>
  18 #include <boost/type_traits/detail/ice_not.hpp>
  19
  20 // should be the last #include
  21 #include <boost/type_traits/detail/bool_trait_def.hpp>
  22
  23 namespace boost {
  24
  25 namespace detail {
  26
  27 template <typename T>
  28 struct has_trivial_copy_impl
  29 {
  30 #ifdef BOOST_HAS_TRIVIAL_COPY
  31    BOOST_STATIC_CONSTANT(bool, value = BOOST_HAS_TRIVIAL_COPY(T));
  32 #else
  33    BOOST_STATIC_CONSTANT(bool, value =
  34       (::boost::type_traits::ice_and<
  35          ::boost::is_pod<T>::value,
  36          ::boost::type_traits::ice_not< ::boost::is_volatile<T>::value >::value
  37       >::value));
  38 #endif
  39 };
  40
  41 } // namespace detail
  42
  43 BOOST_TT_AUX_BOOL_TRAIT_DEF1(has_trivial_copy,T,::boost::detail::has_trivial_copy_impl<T>::value)
  44 BOOST_TT_AUX_BOOL_TRAIT_DEF1(has_trivial_copy_constructor,T,::boost::detail::has_trivial_copy_impl<T>::value)
  45
  46 BOOST_TT_AUX_BOOL_TRAIT_SPEC1(has_trivial_copy,void,false)
  47 #ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
  48 BOOST_TT_AUX_BOOL_TRAIT_SPEC1(has_trivial_copy,void const,false)
  49 BOOST_TT_AUX_BOOL_TRAIT_SPEC1(has_trivial_copy,void const volatile,false)
  50 BOOST_TT_AUX_BOOL_TRAIT_SPEC1(has_trivial_copy,void volatile,false)
  51 #endif
  52
  53 BOOST_TT_AUX_BOOL_TRAIT_SPEC1(has_trivial_copy_constructor,void,false)
  54 #ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
  55 BOOST_TT_AUX_BOOL_TRAIT_SPEC1(has_trivial_copy_constructor,void const,false)
  56 BOOST_TT_AUX_BOOL_TRAIT_SPEC1(has_trivial_copy_constructor,void const volatile,false)
  57 BOOST_TT_AUX_BOOL_TRAIT_SPEC1(has_trivial_copy_constructor,void volatile,false)
  58 #endif
  59
  60 } // namespace boost
  61
  62 #include <boost/type_traits/detail/bool_trait_undef.hpp>
  63
  64 #endif // BOOST_TT_HAS_TRIVIAL_COPY_HPP_INCLUDED