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Show First 20 Lines • Show All 52 Lines • ▼ Show 20 Lines	namespace ranges {
// [range.refinements], other range refinements		// [range.refinements], other range refinements
template <class _Tp>		template <class _Tp>
concept input_range = range<_Tp> && input_iterator<iterator_t<_Tp> >;		concept input_range = range<_Tp> && input_iterator<iterator_t<_Tp> >;

template <class _Tp>		template <class _Tp>
concept forward_range = input_range<_Tp> && forward_iterator<iterator_t<_Tp> >;		concept forward_range = input_range<_Tp> && forward_iterator<iterator_t<_Tp> >;

template <class _Tp>		template <class _Tp>
concept common_range = range<_Tp> && same_as<iterator_t<_Tp>, sentinel_t<_Tp> >;		concept bidirectional_range = forward_range<_Tp> && bidirectional_iterator<iterator_t<_Tp> >;

		template <class _Tp>
		concept common_range = range<_Tp> && same_as<iterator_t<_Tp>, sentinel_t<_Tp> >;
} // namespace ranges		} // namespace ranges

#endif // !defined(_LIBCPP_HAS_NO_RANGES)		#endif // !defined(_LIBCPP_HAS_NO_RANGES)

// clang-format on		// clang-format on

_LIBCPP_END_NAMESPACE_STD		_LIBCPP_END_NAMESPACE_STD

_LIBCPP_POP_MACROS		_LIBCPP_POP_MACROS

#endif // _LIBCPP_RANGES_CONCEPTS_H		#endif // _LIBCPP_RANGES_CONCEPTS_H