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///////////////////////////////////////////////////////////////////////////////
//
// (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/container for documentation.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_CONTAINER_DETAIL_COMPARE_FUNCTORS_HPP
#define BOOST_CONTAINER_DETAIL_COMPARE_FUNCTORS_HPP
#ifndef BOOST_CONFIG_HPP
# include <boost/config.hpp>
#endif
#if defined(BOOST_HAS_PRAGMA_ONCE)
# pragma once
#endif
namespace boost {
namespace container {
template<class Allocator>
class equal_to_value
{
typedef typename Allocator::value_type value_type;
const value_type &t_;
public:
explicit equal_to_value(const value_type &t)
: t_(t)
{}
bool operator()(const value_type &t)const
{ return t_ == t; }
};
template<class Node, class Pred>
struct value_to_node_compare
: Pred
{
typedef Pred predicate_type;
typedef Node node_type;
value_to_node_compare()
: Pred()
{}
explicit value_to_node_compare(Pred pred)
: Pred(pred)
{}
bool operator()(const Node &a, const Node &b) const
{ return static_cast<const Pred&>(*this)(a.m_data, b.m_data); }
bool operator()(const Node &a) const
{ return static_cast<const Pred&>(*this)(a.m_data); }
bool operator()(const Node &a, const Node &b)
{ return static_cast<Pred&>(*this)(a.m_data, b.m_data); }
bool operator()(const Node &a)
{ return static_cast<Pred&>(*this)(a.m_data); }
predicate_type & predicate() { return static_cast<predicate_type&>(*this); }
const predicate_type & predicate() const { return static_cast<predicate_type&>(*this); }
};
} //namespace container {
} //namespace boost {
#endif //BOOST_CONTAINER_DETAIL_COMPARE_FUNCTORS_HPP
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