source: NonGTP/Boost/boost/type_traits/has_trivial_assign.hpp @ 857

Revision 857, 1.7 KB checked in by igarcia, 18 years ago (diff)
Line 
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
24namespace boost {
25
26namespace detail {
27
28template <typename T>
29struct 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
44BOOST_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
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