45 lines
1.3 KiB
Plaintext
45 lines
1.3 KiB
Plaintext
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
// (C) Copyright Ion Gaztanaga 2014-2014
|
||
|
|
//
|
||
|
|
// 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_EMPTY_NODE_CHECKER_HPP
|
||
|
|
#define BOOST_INTRUSIVE_DETAIL_EMPTY_NODE_CHECKER_HPP
|
||
|
|
|
||
|
|
#ifndef BOOST_CONFIG_HPP
|
||
|
|
# include <boost/config.hpp>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(BOOST_HAS_PRAGMA_ONCE)
|
||
|
|
# pragma once
|
||
|
|
#endif
|
||
|
|
|
||
|
|
namespace boost {
|
||
|
|
namespace intrusive {
|
||
|
|
namespace detail {
|
||
|
|
|
||
|
|
template<class ValueTraits>
|
||
|
|
struct empty_node_checker
|
||
|
|
{
|
||
|
|
typedef ValueTraits value_traits;
|
||
|
|
typedef typename value_traits::node_traits node_traits;
|
||
|
|
typedef typename node_traits::const_node_ptr const_node_ptr;
|
||
|
|
|
||
|
|
struct return_type {};
|
||
|
|
|
||
|
|
void operator () (const const_node_ptr&, const return_type&, const return_type&, return_type&) {}
|
||
|
|
};
|
||
|
|
|
||
|
|
} //namespace detail{
|
||
|
|
} //namespace intrusive{
|
||
|
|
} //namespace boost{
|
||
|
|
|
||
|
|
#endif //BOOST_INTRUSIVE_DETAIL_EMPTY_NODE_CHECKER_HPP
|