调整Request C.BHFree的位置

liuxiaolong

2021-07-20 58d904a328c0d849769b483e901a0be9426b8209

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//  Copyright Neil Groves 2009. Use, modification and
//  distribution is subject to 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)
//
// Copyright 2019 Glen Joseph Fernandes (glenjofe@gmail.com)
//
// For more information, see http://www.boost.org/libs/range/
//
#ifndef BOOST_RANGE_ALGORITHM_MAX_ELEMENT_HPP_INCLUDED
#define BOOST_RANGE_ALGORITHM_MAX_ELEMENT_HPP_INCLUDED
 
#include <boost/concept_check.hpp>
#include <boost/range/begin.hpp>
#include <boost/range/end.hpp>
#include <boost/range/concepts.hpp>
#include <boost/range/detail/less.hpp>
#include <boost/range/detail/range_return.hpp>
 
namespace boost
{
    namespace range
    {
 
namespace detail
{
 
template<typename Iterator, class Predicate>
inline Iterator
max_element(Iterator first, Iterator last, Predicate comp)
{
    if (first == last) {
        return last;
    }
    Iterator result = first;
    while (++first != last) {
        if (comp(*result, *first)) {
            result = first;
        }
    }
    return result;
}
 
} // namespace detail
 
/// \brief template function max_element
///
/// range-based version of the max_element std algorithm
///
/// \pre ForwardRange is a model of the ForwardRangeConcept
/// \pre BinaryPredicate is a model of the BinaryPredicateConcept
template<class ForwardRange>
inline BOOST_DEDUCED_TYPENAME range_iterator<ForwardRange>::type
max_element(ForwardRange& rng)
{
    BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
    return detail::max_element(boost::begin(rng), boost::end(rng), detail::less());
}
 
/// \overload
template<class ForwardRange>
inline BOOST_DEDUCED_TYPENAME range_iterator<const ForwardRange>::type
max_element(const ForwardRange& rng)
{
    BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
    return detail::max_element(boost::begin(rng), boost::end(rng), detail::less());
}
 
/// \overload
template<class ForwardRange, class BinaryPredicate>
inline BOOST_DEDUCED_TYPENAME range_iterator<ForwardRange>::type
max_element(ForwardRange& rng, BinaryPredicate pred)
{
    BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
    return detail::max_element(boost::begin(rng), boost::end(rng), pred);
}
 
/// \overload
template<class ForwardRange, class BinaryPredicate>
inline BOOST_DEDUCED_TYPENAME range_iterator<const ForwardRange>::type
max_element(const ForwardRange& rng, BinaryPredicate pred)
{
    BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
    return detail::max_element(boost::begin(rng), boost::end(rng), pred);
}
 
// range_return overloads
 
/// \overload
template<range_return_value re, class ForwardRange>
inline BOOST_DEDUCED_TYPENAME range_return<ForwardRange,re>::type
max_element(ForwardRange& rng)
{
    BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
    return range_return<ForwardRange,re>::pack(
        detail::max_element(boost::begin(rng), boost::end(rng), detail::less()),
        rng);
}
 
/// \overload
template<range_return_value re, class ForwardRange>
inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange,re>::type
max_element(const ForwardRange& rng)
{
    BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
    return range_return<const ForwardRange,re>::pack(
        detail::max_element(boost::begin(rng), boost::end(rng), detail::less()),
        rng);
}
 
/// \overload
template<range_return_value re, class ForwardRange, class BinaryPredicate>
inline BOOST_DEDUCED_TYPENAME range_return<ForwardRange,re>::type
max_element(ForwardRange& rng, BinaryPredicate pred)
{
    BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
    return range_return<ForwardRange,re>::pack(
        detail::max_element(boost::begin(rng), boost::end(rng), pred),
        rng);
}
 
/// \overload
template<range_return_value re, class ForwardRange, class BinaryPredicate>
inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange,re>::type
max_element(const ForwardRange& rng, BinaryPredicate pred)
{
    BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
    return range_return<const ForwardRange,re>::pack(
        detail::max_element(boost::begin(rng), boost::end(rng), pred),
        rng);
}
 
    } // namespace range
    using range::max_element;
} // namespace boost
 
#endif // include guard