boost/type_traits/has_trivial_assign.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_ASSIGN_HPP_INCLUDED
  10 #define BOOST_TT_HAS_TRIVIAL_ASSIGN_HPP_INCLUDED
  11
  12 #include <boost/type_traits/config.hpp>
  13 #include <boost/type_traits/intrinsics.hpp>
  14 #include <boost/type_traits/is_pod.hpp>
  15 #include <boost/type_traits/is_const.hpp>
  16 #include <boost/type_traits/is_volatile.hpp>
  17 #include <boost/type_traits/detail/ice_and.hpp>
  18 #include <boost/type_traits/detail/ice_or.hpp>
  19 #include <boost/type_traits/detail/ice_not.hpp>
  20
  21 // should be the last #include
  22 #include <boost/type_traits/detail/bool_trait_def.hpp>
  23
  24 namespace boost {
  25
  26 namespace detail {
  27
  28 template <typename T>
  29 struct has_trivial_assign_impl
  30 {
  31    BOOST_STATIC_CONSTANT(bool, value =
  32       (::boost::type_traits::ice_and<
  33          ::boost::type_traits::ice_or<
  34             ::boost::is_pod<T>::value,
  35             BOOST_HAS_TRIVIAL_ASSIGN(T)
  36          >::value,
  37       ::boost::type_traits::ice_not< ::boost::is_const<T>::value >::value,
  38       ::boost::type_traits::ice_not< ::boost::is_volatile<T>::value >::value
  39       >::value));
  40 };
  41
  42 } // namespace detail
  43
  44 BOOST_TT_AUX_BOOL_TRAIT_DEF1(has_trivial_assign,T,::boost::detail::has_trivial_assign_impl<T>::value)
  45
  46 } // namespace boost
  47
  48 #include <boost/type_traits/detail/bool_trait_undef.hpp>
  49
  50 #endif // BOOST_TT_HAS_TRIVIAL_ASSIGN_HPP_INCLUDED