mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
52 lines
1.9 KiB
C++
52 lines
1.9 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2013 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_ALGORITHM_COPY_N_HPP
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#define SPROUT_ALGORITHM_COPY_N_HPP
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#include <sprout/config.hpp>
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#include <sprout/type_traits/enabler_if.hpp>
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#include <sprout/iterator/type_traits/is_iterator_of.hpp>
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#include <sprout/algorithm/fixed/result_of.hpp>
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#include <sprout/algorithm/fixed/copy_n.hpp>
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namespace sprout {
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//
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// 25.3.1 Copy
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//
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template<
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typename InputIterator, typename Size, typename OutputIterator,
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typename sprout::enabler_if<sprout::is_output_iterator<OutputIterator>::value>::type = sprout::enabler
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>
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inline SPROUT_CXX14_CONSTEXPR OutputIterator
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copy_n(InputIterator first, Size n, OutputIterator result) {
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for (Size i = 0; i < n; ++i) {
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*result++ = *first++;
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}
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return result;
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}
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template<
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typename InputIterator, typename Size, typename Result,
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typename sprout::enabler_if<!sprout::is_output_iterator<Result>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm<Result>::type
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copy_n(InputIterator first, Size n, Result const& result) {
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return sprout::fixed::copy_n(first, n, result);
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}
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template<typename Result, typename Size, typename InputIterator>
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inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm<Result>::type
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copy_n(InputIterator first, Size n) {
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return sprout::fixed::copy_n<Result>(first, n);
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}
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} // namespace sprout
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#include <sprout/algorithm/fixed/copy_n.hpp>
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#include <sprout/algorithm/fit/copy_n.hpp>
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#endif // #ifndef SPROUT_ALGORITHM_COPY_N_HPP
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