Lines Matching refs:_Iter

38 template<class _Iter>
39   requires requires { typename _Iter::iterator_concept; }
40 struct __counted_iterator_concept<_Iter> {
41   using iterator_concept = typename _Iter::iterator_concept;
47 template<class _Iter>
48   requires requires { typename _Iter::iterator_category; }
49 struct __counted_iterator_category<_Iter> {
50   using iterator_category = typename _Iter::iterator_category;
56 template<indirectly_readable _Iter>
57 struct __counted_iterator_value_type<_Iter> {
58   using value_type = iter_value_t<_Iter>;
61 template<input_or_output_iterator _Iter>
63   : public __counted_iterator_concept<_Iter>
64   , public __counted_iterator_category<_Iter>
65   , public __counted_iterator_value_type<_Iter>
68   _LIBCPP_NO_UNIQUE_ADDRESS _Iter __current_ = _Iter();
69   iter_difference_t<_Iter> __count_ = 0;
71   using iterator_type = _Iter;
72   using difference_type = iter_difference_t<_Iter>;
75   constexpr counted_iterator() requires default_initializable<_Iter> = default;
78   constexpr counted_iterator(_Iter __iter, iter_difference_t<_Iter> __n)
84     requires convertible_to<const _I2&, _Iter>
90     requires assignable_from<_Iter&, const _I2&>
99   constexpr const _Iter& base() const& noexcept { return __current_; }
102   constexpr _Iter base() && { return _VSTD::move(__current_); }
105   constexpr iter_difference_t<_Iter> count() const noexcept { return __count_; }
115     requires __dereferenceable<const _Iter>
123     requires contiguous_iterator<_Iter>
150     requires forward_iterator<_Iter>
160     requires bidirectional_iterator<_Iter>
169     requires bidirectional_iterator<_Iter>
177   constexpr counted_iterator operator+(iter_difference_t<_Iter> __n) const
178     requires random_access_iterator<_Iter>
185     iter_difference_t<_Iter> __n, const counted_iterator& __x)
186     requires random_access_iterator<_Iter>
192   constexpr counted_iterator& operator+=(iter_difference_t<_Iter> __n)
193     requires random_access_iterator<_Iter>
202   constexpr counted_iterator operator-(iter_difference_t<_Iter> __n) const
203     requires random_access_iterator<_Iter>
208   template<common_with<_Iter> _I2>
217   friend constexpr iter_difference_t<_Iter> operator-(
224   friend constexpr iter_difference_t<_Iter> operator-(
231   constexpr counted_iterator& operator-=(iter_difference_t<_Iter> __n)
232     requires random_access_iterator<_Iter>
243   constexpr decltype(auto) operator[](iter_difference_t<_Iter> __n) const
244     requires random_access_iterator<_Iter>
250   template<common_with<_Iter> _I2>
265   template<common_with<_Iter> _I2>
273   friend constexpr iter_rvalue_reference_t<_Iter> iter_move(const counted_iterator& __i)
275       requires input_iterator<_Iter>
281   template<indirectly_swappable<_Iter> _I2>
292 template<input_iterator _Iter>
293   requires same_as<_ITER_TRAITS<_Iter>, iterator_traits<_Iter>>
294 struct iterator_traits<counted_iterator<_Iter>> : iterator_traits<_Iter> {
295   using pointer = conditional_t<contiguous_iterator<_Iter>,
296                                 add_pointer_t<iter_reference_t<_Iter>>, void>;