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https://github.com/bolero-MURAKAMI/Sprout.git
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アルゴリズムのイテレータ要件を標準に準拠
This commit is contained in:
parent
6ae26b7470
commit
304c656b78
36 changed files with 1554 additions and 585 deletions
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@ -2,6 +2,8 @@
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#define SPROUT_ALGORITHM_FIXED_COPY_BACKWARD_HPP
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#include <cstddef>
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#include <iterator>
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/index_tuple.hpp>
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#include <sprout/fixed_container/traits.hpp>
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@ -13,10 +15,10 @@
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namespace sprout {
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namespace fixed {
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namespace detail {
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template<typename Iterator, typename Result, std::ptrdiff_t... Indexes>
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SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type copy_backward_impl(
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Iterator first,
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Iterator last,
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template<typename RandomAccessIterator, typename Result, std::ptrdiff_t... Indexes>
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SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type copy_backward_impl_ra(
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RandomAccessIterator first,
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RandomAccessIterator last,
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Result const& result,
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sprout::index_tuple<Indexes...>,
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typename sprout::fixed_container_traits<Result>::difference_type offset,
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@ -27,31 +29,154 @@ namespace sprout {
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return sprout::remake_clone<Result, Result>(
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result,
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sprout::size(result),
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(Indexes < offset && Indexes + size >= offset && Indexes + input_size >= offset
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(Indexes < offset && Indexes + size >= static_cast<std::size_t>(offset) && Indexes + input_size >= static_cast<std::size_t>(offset)
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? *sprout::next(last, Indexes - offset)
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: *sprout::next(sprout::fixed_begin(result), Indexes)
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)...
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);
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}
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template<typename RandomAccessIterator, typename Result>
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SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type copy_backward(
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RandomAccessIterator first,
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RandomAccessIterator last,
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Result const& result,
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std::random_access_iterator_tag*
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)
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{
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return sprout::fixed::detail::copy_backward_impl_ra(
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first,
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last,
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result,
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typename sprout::index_range<0, sprout::fixed_container_traits<Result>::fixed_size>::type(),
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sprout::fixed_end_offset(result),
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sprout::size(result),
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NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(first, last)
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);
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}
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template<typename Result, typename... Args>
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SPROUT_CONSTEXPR inline typename std::enable_if<
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sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type copy_backward_impl_3(
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Result const& result,
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Args const&... args
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)
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{
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return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
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}
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template<typename Result, typename... Args>
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SPROUT_CONSTEXPR inline typename std::enable_if<
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sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type copy_backward_impl_3(
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Result const& result,
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Args const&... args
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)
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{
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return copy_backward_impl_3(result, *sprout::prev(sprout::fixed_end(result), sizeof...(Args) + 1), args...);
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}
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template<typename BidirectionalIterator, typename Result, typename... Args>
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SPROUT_CONSTEXPR inline typename std::enable_if<
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sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type copy_backward_impl_2(
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BidirectionalIterator first,
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BidirectionalIterator last,
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Result const& result,
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typename sprout::fixed_container_traits<Result>::difference_type offset,
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Args const&... args
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)
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{
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return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
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}
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template<typename BidirectionalIterator, typename Result, typename... Args>
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SPROUT_CONSTEXPR inline typename std::enable_if<
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sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type copy_backward_impl_2(
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BidirectionalIterator first,
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BidirectionalIterator last,
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Result const& result,
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typename sprout::fixed_container_traits<Result>::difference_type offset,
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Args const&... args
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)
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{
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return first != last && sizeof...(Args) < static_cast<std::size_t>(offset)
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? copy_backward_impl_2(first, sprout::prev(last), result, offset, *sprout::prev(last), args...)
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: copy_backward_impl_3(result, args...)
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;
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}
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template<typename BidirectionalIterator, typename Result, typename... Args>
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SPROUT_CONSTEXPR inline typename std::enable_if<
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sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type copy_backward_impl_1(
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BidirectionalIterator first,
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BidirectionalIterator last,
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Result const& result,
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typename sprout::fixed_container_traits<Result>::difference_type offset,
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Args const&... args
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)
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{
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return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
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}
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template<typename BidirectionalIterator, typename Result, typename... Args>
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SPROUT_CONSTEXPR inline typename std::enable_if<
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sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type copy_backward_impl_1(
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BidirectionalIterator first,
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BidirectionalIterator last,
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Result const& result,
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typename sprout::fixed_container_traits<Result>::difference_type offset,
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Args const&... args
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)
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{
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return sizeof...(Args) < static_cast<std::size_t>(offset)
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? copy_backward_impl_1(first, last, result, offset, *sprout::prev(sprout::fixed_end(result), sizeof...(Args) + 1), args...)
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: copy_backward_impl_2(first, last, result, offset + sprout::size(result), args...)
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;
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}
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template<typename BidirectionalIterator, typename Result>
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SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type copy_backward_impl(
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BidirectionalIterator first,
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BidirectionalIterator last,
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Result const& result
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)
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{
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return copy_backward_impl_1(first, last, result, sprout::fixed_end_offset(result));
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}
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template<typename BidirectionalIterator, typename Result>
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SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type copy_backward(
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BidirectionalIterator first,
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BidirectionalIterator last,
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Result const& result,
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void*
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)
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{
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return sprout::fixed::detail::copy_backward_impl(
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first,
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last,
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result
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);
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}
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} // namespace detail
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//
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// copy_backward
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//
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template<typename Iterator, typename Result>
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template<typename BidirectionalIterator, typename Result>
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SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type copy_backward(
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Iterator first,
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Iterator last,
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BidirectionalIterator first,
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BidirectionalIterator last,
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Result const& result
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)
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{
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return sprout::fixed::detail::copy_backward_impl(
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typedef typename std::iterator_traits<BidirectionalIterator>::iterator_category* category;
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return sprout::fixed::detail::copy_backward(
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first,
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last,
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result,
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typename sprout::index_range<0, sprout::fixed_container_traits<Result>::fixed_size>::type(),
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sprout::fixed_end_offset(result),
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sprout::size(result),
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NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(first, last)
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category()
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);
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}
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} // namespace fixed
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