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mariadb-columnstore-engine/utils/boost_idb/boost/intrusive/priority_compare.hpp
2016-01-06 14:08:59 -06:00

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/////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2008
//
// 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_PRIORITY_COMPARE_HPP
#define BOOST_INTRUSIVE_PRIORITY_COMPARE_HPP
#include <boost/intrusive/detail/config_begin.hpp>
#include <boost/intrusive/intrusive_fwd.hpp>
#include <functional>
namespace boost {
namespace intrusive {
template <class T>
struct priority_compare
: public std::binary_function<T, T, bool>
{
bool operator()(const T &val, const T &val2) const
{
return priority_order(val, val2);
}
};
/// @cond
template<class Less, class T>
struct get_prio
{
typedef Less type;
};
template<class T>
struct get_prio<void, T>
{
typedef ::boost::intrusive::priority_compare<T> type;
};
/// @endcond
} //namespace intrusive
} //namespace boost
#include <boost/intrusive/detail/config_end.hpp>
#endif //BOOST_INTRUSIVE_PRIORITY_COMPARE_HPP