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Sprout/sprout/algorithm/adjacent_find.hpp
2012-04-01 22:15:09 +09:00

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1 KiB
C++

#ifndef SPROUT_ALGORITHM_ADJACENT_FIND_HPP
#define SPROUT_ALGORITHM_ADJACENT_FIND_HPP
#include <iterator>
#include <sprout/config.hpp>
#include <sprout/iterator/operation.hpp>
#include HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT
namespace sprout {
// Copyright (C) 2011 RiSK (sscrisk)
// 25.2.8 Adjacent find
template<typename ForwardIterator, typename BinaryPredicate>
SPROUT_CONSTEXPR ForwardIterator adjacent_find(ForwardIterator first, ForwardIterator last, BinaryPredicate pred) {
return first == last || sprout::next(first) == last ? last
: pred(*first, *(sprout::next(first))) != false ? first
: sprout::adjacent_find(sprout::next(first), last, pred)
;
}
template<typename ForwardIterator>
SPROUT_CONSTEXPR ForwardIterator adjacent_find(ForwardIterator first, ForwardIterator last) {
return sprout::adjacent_find(
first,
last,
NS_SSCRISK_CEL_OR_SPROUT::equal_to<typename std::iterator_traits<ForwardIterator>::value_type>()
);
}
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_ADJACENT_FIND_HPP