| ///////////////////////////////////////////////////////////////////////////// |
| // |
| // (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 |
