/*
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* Copyright Andrey Semashev 2007 - 2015.
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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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/*!
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* \file ends_with.hpp
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* \author Andrey Semashev
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* \date 30.03.2008
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*
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* This header contains a predicate for checking if the provided string ends with a substring.
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*/
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#ifndef BOOST_LOG_UTILITY_FUNCTIONAL_ENDS_WITH_HPP_INCLUDED_
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#define BOOST_LOG_UTILITY_FUNCTIONAL_ENDS_WITH_HPP_INCLUDED_
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#include <boost/log/detail/config.hpp>
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#include <boost/log/detail/header.hpp>
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#ifdef 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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BOOST_LOG_OPEN_NAMESPACE
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//! The \c ends_with functor
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struct ends_with_fun
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{
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typedef bool result_type;
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template< typename T, typename U >
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bool operator() (T const& left, U const& right) const
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{
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typedef typename T::const_reverse_iterator left_iterator;
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typedef typename U::const_reverse_iterator right_iterator;
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left_iterator left_it = left.rbegin(), left_end = left.rend();
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right_iterator right_it = right.rbegin(), right_end = right.rend();
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for (; left_it != left_end && right_it != right_end; ++left_it, ++right_it)
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{
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if (*left_it != *right_it)
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break;
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}
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return right_it == right_end;
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}
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};
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BOOST_LOG_CLOSE_NAMESPACE // namespace log
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} // namespace boost
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#include <boost/log/detail/footer.hpp>
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#endif // BOOST_LOG_UTILITY_FUNCTIONAL_ENDS_WITH_HPP_INCLUDED_
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