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34 lines
1.3 KiB
C++
34 lines
1.3 KiB
C++
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/*=============================================================================
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Copyright (c) 2011-2014 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_CXX14_COPY_WHILE_HPP
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#define SPROUT_ALGORITHM_CXX14_COPY_WHILE_HPP
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#include <sprout/config.hpp>
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#include <sprout/utility/pair/pair.hpp>
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#include <sprout/iterator/type_traits/is_iterator_of.hpp>
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#include <sprout/type_traits/enabler_if.hpp>
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namespace sprout {
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//
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// copy_while
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//
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template<
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typename InputIterator, typename OutputIterator, typename Predicate,
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typename sprout::enabler_if<sprout::is_iterator_outputable<OutputIterator>::value>::type = sprout::enabler
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>
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inline SPROUT_CXX14_CONSTEXPR sprout::pair<InputIterator, OutputIterator>
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copy_while(InputIterator first, InputIterator last, OutputIterator result, Predicate pred) {
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for (; first != last && pred(*first); ++first) {
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*result++ = *first;
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}
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return std::make_pair(first, result);
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_ALGORITHM_CXX14_COPY_WHILE_HPP
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