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add constexpr algorithm C++14 version: move, move_backward, swap_ranges, iter_swap

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bolero-MURAKAMI 2013-10-15 14:01:34 +09:00
parent d5c84b07c9
commit a3427d375f
23 changed files with 430 additions and 47 deletions
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37
sprout/algorithm/copy_backward.hpp
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@ -9,6 +9,43 @@
#define SPROUT_ALGORITHM_COPY_BACKWARD_HPP
#include <sprout/config.hpp>
#include <sprout/type_traits/enabler_if.hpp>
#include <sprout/iterator/type_traits/is_iterator_of.hpp>
#include <sprout/algorithm/fixed/result_of.hpp>
#include <sprout/algorithm/fixed/copy_backward.hpp>
namespace sprout {
//
// 25.3.1 Copy
//
template<
typename BidirectionalIterator1, typename BidirectionalIterator2,
typename sprout::enabler_if<sprout::is_output_iterator<BidirectionalIterator2>::value>::type = sprout::enabler
>
inline SPROUT_CXX14_CONSTEXPR BidirectionalIterator2
copy_backward(BidirectionalIterator1 first, BidirectionalIterator1 last, BidirectionalIterator2 result) {
while (first != last) {
*--result = *--first;
}
return result;
}
template<
typename BidirectionalIterator, typename Result,
typename sprout::enabler_if<!sprout::is_output_iterator<Result>::value>::type = sprout::enabler
>
inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm<Result>::type
copy_backward(BidirectionalIterator first, BidirectionalIterator last, Result const& result) {
return sprout::fixed::copy_backward(first, last, result);
}
template<typename Result, typename BidirectionalIterator>
inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm<Result>::type
copy_backward(BidirectionalIterator first, BidirectionalIterator last) {
return sprout::fixed::copy_backward<Result>(first, last);
}
} // namespace sprout
#include <sprout/algorithm/fixed/copy_backward.hpp>
#include <sprout/algorithm/fit/copy_backward.hpp>