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https://github.com/bolero-MURAKAMI/Sprout.git
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69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
#ifndef SPROUT_ALGORITHM_FIXED_COPY_IF_HPP
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#define SPROUT_ALGORITHM_FIXED_COPY_IF_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/fixed_container/traits.hpp>
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#include <sprout/fixed_container/functions.hpp>
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#include <sprout/iterator/operation.hpp>
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#include <sprout/algorithm/fixed/result_of.hpp>
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#include <sprout/detail/container_complate.hpp>
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namespace sprout {
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namespace fixed {
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namespace detail {
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template<typename InputIterator, typename Result, typename Predicate, 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_if_impl(
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InputIterator first,
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InputIterator last,
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Result const& result,
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Predicate pred,
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typename sprout::fixed_container_traits<Result>::size_type size,
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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 InputIterator, typename Result, typename Predicate, 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_if_impl(
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InputIterator first,
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InputIterator last,
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Result const& result,
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Predicate pred,
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typename sprout::fixed_container_traits<Result>::size_type size,
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Args const&... args
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)
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{
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return first != last && sizeof...(Args) < size
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? pred(*first)
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? sprout::fixed::detail::copy_if_impl(sprout::next(first), last, result, pred, size, args..., *first)
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: sprout::fixed::detail::copy_if_impl(sprout::next(first), last, result, pred, size, args...)
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: sprout::detail::container_complate(result, args...)
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;
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}
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} // namespace detail
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//
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// copy_if
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//
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template<typename InputIterator, typename Result, typename Predicate>
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SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type copy_if(
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InputIterator first,
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InputIterator last,
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Result const& result,
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Predicate pred
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)
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{
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return sprout::fixed::detail::copy_if_impl(first, last, result, pred, sprout::size(result));
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}
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} // namespace fixed
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using sprout::fixed::copy_if;
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} // namespace sprout
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#endif // #ifndef SPROUT_ALGORITHM_FIXED_COPY_IF_HPP
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