45 lines
1.3 KiB
Plaintext
45 lines
1.3 KiB
Plaintext
/////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2014-2014
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (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/intrusive for documentation.
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//
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/////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_INTRUSIVE_DETAIL_EMPTY_NODE_CHECKER_HPP
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#define BOOST_INTRUSIVE_DETAIL_EMPTY_NODE_CHECKER_HPP
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#ifndef BOOST_CONFIG_HPP
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# include <boost/config.hpp>
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#endif
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#if defined(BOOST_HAS_PRAGMA_ONCE)
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# pragma once
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#endif
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namespace boost {
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namespace intrusive {
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namespace detail {
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template<class ValueTraits>
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struct empty_node_checker
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{
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typedef ValueTraits value_traits;
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typedef typename value_traits::node_traits node_traits;
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typedef typename node_traits::const_node_ptr const_node_ptr;
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struct return_type {};
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void operator () (const const_node_ptr&, const return_type&, const return_type&, return_type&) {}
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};
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} //namespace detail{
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} //namespace intrusive{
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} //namespace boost{
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#endif //BOOST_INTRUSIVE_DETAIL_EMPTY_NODE_CHECKER_HPP
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