ext-boost/boost/intrusive/detail/is_stateful_value_traits.hpp

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2016-03-02 05:27:27 +00:00
/////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2009-2013.
//
// 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/libs/intrusive for documentation.
//
/////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_INTRUSIVE_DETAIL_IS_STATEFUL_VALUE_TRAITS_HPP
#define BOOST_INTRUSIVE_DETAIL_IS_STATEFUL_VALUE_TRAITS_HPP
#ifndef BOOST_CONFIG_HPP
# include <boost/config.hpp>
#endif
#if defined(BOOST_HAS_PRAGMA_ONCE)
# pragma once
#endif
#if defined(_MSC_VER) && (_MSC_VER <= 1310)
#include <boost/intrusive/detail/mpl.hpp>
namespace boost {
namespace intrusive {
namespace detail {
template<class ValueTraits>
struct is_stateful_value_traits
{
static const bool value = !detail::is_empty<ValueTraits>::value;
};
}}}
#else
#include <boost/intrusive/detail/function_detector.hpp>
BOOST_INTRUSIVE_CREATE_FUNCTION_DETECTOR(to_node_ptr, boost_intrusive)
BOOST_INTRUSIVE_CREATE_FUNCTION_DETECTOR(to_value_ptr, boost_intrusive)
namespace boost {
namespace intrusive {
namespace detail {
template<class ValueTraits>
struct is_stateful_value_traits
{
typedef typename ValueTraits::node_ptr node_ptr;
typedef typename ValueTraits::pointer pointer;
typedef typename ValueTraits::value_type value_type;
typedef typename ValueTraits::const_node_ptr const_node_ptr;
typedef typename ValueTraits::const_pointer const_pointer;
typedef ValueTraits value_traits;
static const bool value =
(boost::intrusive::function_detector::NonStaticFunction ==
(BOOST_INTRUSIVE_DETECT_FUNCTION(ValueTraits, boost_intrusive, node_ptr, to_node_ptr, (value_type&) )))
||
(boost::intrusive::function_detector::NonStaticFunction ==
(BOOST_INTRUSIVE_DETECT_FUNCTION(ValueTraits, boost_intrusive, pointer, to_value_ptr, (node_ptr) )))
||
(boost::intrusive::function_detector::NonStaticFunction ==
(BOOST_INTRUSIVE_DETECT_FUNCTION(ValueTraits, boost_intrusive, const_node_ptr, to_node_ptr, (const value_type&) )))
||
(boost::intrusive::function_detector::NonStaticFunction ==
(BOOST_INTRUSIVE_DETECT_FUNCTION(ValueTraits, boost_intrusive, const_pointer, to_value_ptr, (const_node_ptr) )))
;
};
}}}
#endif
#endif //@ifndef BOOST_INTRUSIVE_DETAIL_IS_STATEFUL_VALUE_TRAITS_HPP