25 Iterators library [iterators]

25.6 Stream iterators [stream.iterators]

25.6.2 Class template istream_iterator [istream.iterator]

25.6.2.3 Operations [istream.iterator.ops]

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const T& operator*() const;
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Preconditions: in_stream != nullptr is true.
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Returns: value.
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const T* operator->() const;
3
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Preconditions: in_stream != nullptr is true.
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Returns: addressof(value).
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istream_iterator& operator++();
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Preconditions: in_stream != nullptr is true.
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Effects: Equivalent to: if (!(*in_stream >> value)) in_stream = nullptr;
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Returns: *this.
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istream_iterator operator++(int);
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Preconditions: in_stream != nullptr is true.
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Effects: Equivalent to: istream_iterator tmp = *this; ++*this; return tmp;
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template<class T, class charT, class traits, class Distance> bool operator==(const istream_iterator<T,charT,traits,Distance>& x, const istream_iterator<T,charT,traits,Distance>& y);
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Returns: x.in_stream == y.in_stream.
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friend bool operator==(const istream_iterator& i, default_sentinel_t);
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Returns: !i.in_stream.