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// (C) Copyright Eric Friedman 2002-2003.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org for most recent version including documentation.
#ifndef BOOST_VARIANT_DETAIL_HAS_NOTHROW_MOVE_HPP_INCLUDED
#define BOOST_VARIANT_DETAIL_HAS_NOTHROW_MOVE_HPP_INCLUDED
#include "boost/config.hpp" // for STATIC_CONSTANT
#include "boost/variant/detail/has_trivial_move.hpp"
#include "boost/type_traits/has_nothrow_copy.hpp"
#include "boost/type_traits/has_nothrow_assign.hpp"
#include "boost/mpl/and.hpp"
#include "boost/mpl/or.hpp"
// should be the last #include
#include "boost/variant/detail/bool_trait_def.hpp"
namespace boost {
namespace detail { namespace variant {
// TRAIT: has_nothrow_move
template <typename T>
struct has_nothrow_move_impl
{
BOOST_STATIC_CONSTANT(
bool, value = (
::boost::mpl::or_<
has_trivial_move<T>
, ::boost::mpl::and_<
has_nothrow_copy<T>
, has_nothrow_assign<T>
>
>::type::value
)
);
};
BOOST_VARIANT_TT_AUX_BOOL_TRAIT_DEF1(
has_nothrow_move
, T
, (::boost::detail::variant::has_nothrow_move_impl<T>::value)
)
// TRAIT: has_nothrow_move_constructor
template <typename T>
struct has_nothrow_move_constructor_impl
{
BOOST_STATIC_CONSTANT(
bool, value = (
::boost::mpl::or_<
has_nothrow_move<T>
, has_trivial_move_constructor<T>
, has_nothrow_copy<T>
>::type::value
)
);
};
BOOST_VARIANT_TT_AUX_BOOL_TRAIT_DEF1(
has_nothrow_move_constructor
, T
, (::boost::detail::variant::has_nothrow_move_constructor_impl<T>::value)
)
// TRAIT: has_nothrow_move_assign
template <typename T>
struct has_nothrow_move_assign_impl
{
BOOST_STATIC_CONSTANT(
bool, value = (
::boost::mpl::or_<
has_nothrow_move<T>
, has_trivial_move_assign<T>
, has_nothrow_assign<T>
>::type::value
)
);
};
BOOST_VARIANT_TT_AUX_BOOL_TRAIT_DEF1(
has_nothrow_move_assign
, T
, (::boost::detail::variant::has_nothrow_move_assign_impl<T>::value)
)
}} // namespace detail::variant
BOOST_VARIANT_TT_AUX_TRAIT_SUFFIX(1,::boost::detail::variant::has_nothrow_move)
BOOST_VARIANT_TT_AUX_TRAIT_SUFFIX(1,::boost::detail::variant::has_nothrow_move_constructor)
BOOST_VARIANT_TT_AUX_TRAIT_SUFFIX(1,::boost::detail::variant::has_nothrow_move_assign)
} // namespace boost
#include "boost/variant/detail/bool_trait_undef.hpp"
#endif // BOOST_VARIANT_DETAIL_HAS_NOTHROW_MOVE_HPP_INCLUDED
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