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Sprout/sprout/algorithm/fit/copy_n.hpp

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#ifndef SPROUT_ALGORITHM_FIT_COPY_N_HPP
#define SPROUT_ALGORITHM_FIT_COPY_N_HPP
#include <sprout/config.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
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#include <sprout/algorithm/fixed/copy_n.hpp>
#include <sprout/algorithm/fit/result_of.hpp>
#include <sprout/sub_array.hpp>
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#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
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namespace sprout {
namespace fit {
namespace detail {
template<typename InputIterator, typename Size, typename Result>
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SPROUT_CONSTEXPR inline typename sprout::fit::result_of::algorithm<Result>::type copy_n_impl(
InputIterator first,
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Size n,
Result const& result,
typename sprout::container_traits<Result>::difference_type offset
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)
{
return sprout::sub_copy(
sprout::get_internal(sprout::fixed::copy_n(first, n, result)),
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offset,
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offset + NS_SSCRISK_CEL_OR_SPROUT::min(n, sprout::size(result))
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);
}
} // namespace detail
//
// copy_n
//
template<typename InputIterator, typename Size, typename Result>
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SPROUT_CONSTEXPR inline typename sprout::fit::result_of::algorithm<Result>::type copy_n(
InputIterator first,
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Size n,
Result const& result
)
{
return sprout::fit::detail::copy_n_impl(first, n, result, sprout::internal_begin_offset(result));
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}
} // namespace fit
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_FIT_COPY_N_HPP