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add make_ptr_range

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bolero-MURAKAMI 2012-12-22 20:10:27 +09:00
parent 86cfc72bd6
commit 26dd9dabca
10 changed files with 72 additions and 12 deletions
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35
sprout/range/ptr_range.hpp Normal file
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#ifndef SPROUT_RANGE_PTR_RANGE_HPP
#define SPROUT_RANGE_PTR_RANGE_HPP
#include <cstddef>
#include <iterator>
#include <sprout/config.hpp>
#include <sprout/iterator/ptr_index_iterator.hpp>
#include <sprout/range/range_container.hpp>
namespace sprout {
namespace range {
//
// make_ptr_range
//
template<typename T>
inline SPROUT_CONSTEXPR sprout::range::range_container<sprout::ptr_index_iterator<T> >
make_ptr_range(T* p, typename std::iterator_traits<T*>::difference_type n) {
return sprout::range::range_container<sprout::ptr_index_iterator<T> >(
sprout::ptr_index_iterator<T>(p),
sprout::ptr_index_iterator<T>(p, n)
);
}
template<typename T, std::size_t N>
inline SPROUT_CONSTEXPR sprout::range::range_container<sprout::ptr_index_iterator<T> >
make_ptr_range(T (& arr)[N]) {
return sprout::range::range_container<sprout::ptr_index_iterator<T> >(
sprout::ptr_index_iterator<T>(arr),
sprout::ptr_index_iterator<T>(arr, N)
);
}
} // namespace range
} // namespace sprout
#endif // #ifndef SPROUT_RANGE_PTR_RANGE_HPP