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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7593 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
75 lines
2.0 KiB
C++
75 lines
2.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2014-2014. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/container for documentation.
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//
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///////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_CONTAINER_DETAIL_COMPARE_FUNCTORS_HPP
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#define BOOST_CONTAINER_DETAIL_COMPARE_FUNCTORS_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 container {
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template<class Allocator>
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class equal_to_value
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{
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typedef typename Allocator::value_type value_type;
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const value_type &t_;
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public:
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explicit equal_to_value(const value_type &t)
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: t_(t)
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{}
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bool operator()(const value_type &t)const
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{ return t_ == t; }
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};
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template<class Node, class Pred>
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struct value_to_node_compare
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: Pred
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{
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typedef Pred predicate_type;
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typedef Node node_type;
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value_to_node_compare()
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: Pred()
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{}
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explicit value_to_node_compare(Pred pred)
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: Pred(pred)
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{}
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bool operator()(const Node &a, const Node &b) const
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{ return static_cast<const Pred&>(*this)(a.get_data(), b.get_data()); }
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bool operator()(const Node &a) const
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{ return static_cast<const Pred&>(*this)(a.get_data()); }
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bool operator()(const Node &a, const Node &b)
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{ return static_cast<Pred&>(*this)(a.get_data(), b.get_data()); }
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bool operator()(const Node &a)
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{ return static_cast<Pred&>(*this)(a.get_data()); }
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predicate_type & predicate() { return static_cast<predicate_type&>(*this); }
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const predicate_type & predicate() const { return static_cast<predicate_type&>(*this); }
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};
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} //namespace container {
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} //namespace boost {
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#endif //BOOST_CONTAINER_DETAIL_COMPARE_FUNCTORS_HPP
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