[range.istream.iterator]

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namespace std::ranges { template<movable Val, class CharT, class Traits> requires default_initializable<Val> && stream-extractable<Val, CharT, Traits> class basic_istream_view<Val, CharT, Traits>::iterator { public: using iterator_concept = input_iterator_tag; using difference_type = ptrdiff_t; using value_type = Val; constexpr explicit iterator(basic_istream_view& parent) noexcept; iterator(const iterator&) = delete; iterator(iterator&&) = default; iterator& operator=(const iterator&) = delete; iterator& operator=(iterator&&) = default; iterator& operator+(); void operator+(int); Val& operator*() const; friend bool operator=(const iterator& x, default_sentinel_t); private: basic_istream_view* parent_; / exposition only }; }

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constexpr explicit iterator(basic_istream_view& parent) noexcept;

Effects: Initializes parent_ with addressof(parent).

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iterator& operator+();

Effects: Equivalent to: *parent_->stream_ >> parent_->value_; return *this;

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void operator+(int);

Effects: Equivalent to ++*this.

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Val& operator*() const;

Effects: Equivalent to: return parent_->value_;

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friend bool operator=(const iterator& x, default_sentinel_t);

Effects: Equivalent to: return !*x.parent_->stream_;

25 Ranges library [ranges]

25.6 Range factories [range.factories]

25.6.6 Istream view [range.istream]

25.6.6.3 Class basic_istream_view::iterator [range.istream.iterator]

25 Ranges library [ranges]

25.6 Range factories [range.factories]

25.6.6 Istream view [range.istream]

25.6.6.3 Class basic_istream_view​::​iterator [range.istream.iterator]

25.6.6.3 Class basic_istream_view::iterator [range.istream.iterator]