boost/boost/type_traits/has_trivial_assign.hpp

   1
   2 // (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
   3 // Permission to copy, use, modify, sell and distribute this software is
   4 // granted provided this copyright notice appears in all copies. This software
   5 // is provided "as is" without express or implied warranty, and with no claim
   6 // as to its suitability for any purpose.
   7 //
   8 // See http://www.boost.org for most recent version including documentation.
   9
  10 #ifndef BOOST_TT_HAS_TRIVIAL_ASSIGN_HPP_INCLUDED
  11 #define BOOST_TT_HAS_TRIVIAL_ASSIGN_HPP_INCLUDED
  12
  13 #include "boost/type_traits/is_POD.hpp"
  14 #include "boost/type_traits/is_const.hpp"
  15 #include "boost/type_traits/is_volatile.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 #include "boost/type_traits/config.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