58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
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// (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
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// Use, modification and distribution are subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt).
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//
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// See http://www.boost.org/libs/type_traits for most recent version including documentation.
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#ifndef BOOST_TT_HAS_TRIVIAL_ASSIGN_HPP_INCLUDED
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#define BOOST_TT_HAS_TRIVIAL_ASSIGN_HPP_INCLUDED
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#include <boost/type_traits/config.hpp>
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#include <boost/type_traits/intrinsics.hpp>
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#include <boost/type_traits/is_pod.hpp>
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#include <boost/type_traits/is_const.hpp>
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#include <boost/type_traits/is_volatile.hpp>
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#include <boost/type_traits/detail/ice_and.hpp>
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#include <boost/type_traits/detail/ice_or.hpp>
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#include <boost/type_traits/detail/ice_not.hpp>
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// should be the last #include
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#include <boost/type_traits/detail/bool_trait_def.hpp>
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namespace boost {
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namespace detail {
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template <typename T>
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struct has_trivial_assign_impl
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{
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#ifdef BOOST_HAS_TRIVIAL_ASSIGN
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BOOST_STATIC_CONSTANT(bool, value = BOOST_HAS_TRIVIAL_ASSIGN(T));
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#else
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BOOST_STATIC_CONSTANT(bool, value =
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(::boost::type_traits::ice_and<
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::boost::is_pod<T>::value,
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::boost::type_traits::ice_not< ::boost::is_const<T>::value >::value,
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::boost::type_traits::ice_not< ::boost::is_volatile<T>::value >::value
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>::value));
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#endif
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};
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} // namespace detail
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BOOST_TT_AUX_BOOL_TRAIT_DEF1(has_trivial_assign,T,::boost::detail::has_trivial_assign_impl<T>::value)
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BOOST_TT_AUX_BOOL_TRAIT_SPEC1(has_trivial_assign,void,false)
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#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
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BOOST_TT_AUX_BOOL_TRAIT_SPEC1(has_trivial_assign,void const,false)
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BOOST_TT_AUX_BOOL_TRAIT_SPEC1(has_trivial_assign,void const volatile,false)
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BOOST_TT_AUX_BOOL_TRAIT_SPEC1(has_trivial_assign,void volatile,false)
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#endif
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} // namespace boost
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#include <boost/type_traits/detail/bool_trait_undef.hpp>
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#endif // BOOST_TT_HAS_TRIVIAL_ASSIGN_HPP_INCLUDED
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