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