53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
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#ifndef BOOST_INTRUSIVE_DETAIL_VALUE_FUNCTORS_HPP
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#define BOOST_INTRUSIVE_DETAIL_VALUE_FUNCTORS_HPP
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///////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2017-2021. 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/intrusive for documentation.
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//
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///////////////////////////////////////////////////////////////////////////////
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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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#include <cstddef>
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namespace boost {
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namespace intrusive {
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//Functors for member algorithm defaults
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template<class ValueType>
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struct value_less
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{
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bool operator()(const ValueType &a, const ValueType &b) const
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{ return a < b; }
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};
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//Functors for member algorithm defaults
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template<class T>
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struct value_less<T*>
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{
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bool operator()(const T *a, const T* b) const
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{ return std::size_t(a) < std::size_t(b); }
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};
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template<class ValueType>
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struct value_equal
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{
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bool operator()(const ValueType &a, const ValueType &b) const
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{ return a == b; }
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};
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} //namespace intrusive {
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} //namespace boost {
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#endif //BOOST_INTRUSIVE_DETAIL_VALUE_FUNCTORS_HPP
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