Sprout/sprout/range/ptr_range.hpp
2012-12-23 21:48:18 +09:00

45 lines
1.5 KiB
C++

#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>
#include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT
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>
inline SPROUT_CONSTEXPR sprout::range::range_container<sprout::ptr_index_iterator<T> >
make_ptr_range(T* first, T* last) {
return sprout::range::range_container<sprout::ptr_index_iterator<T> >(
sprout::ptr_index_iterator<T>(first),
sprout::ptr_index_iterator<T>(first, NS_SSCRISK_CEL_OR_SPROUT::distance(first, last))
);
}
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