23 Iterators library [iterators]

23.6 Stream iterators [stream.iterators]

23.6.3 Class template istreambuf_­iterator [istreambuf.iterator]

23.6.3.3 Operations [istreambuf.iterator.ops]

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charT operator*() const;
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Returns: The character obtained via the streambuf member sbuf_­->sgetc().
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istreambuf_iterator& operator++();
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Effects: As if by sbuf_­->sbumpc().
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Returns: *this.
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proxy operator++(int);
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Returns: proxy(sbuf_­->sbumpc(), sbuf_­).
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bool equal(const istreambuf_iterator& b) const;
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Returns: true if and only if both iterators are at end-of-stream, or neither is at end-of-stream, regardless of what streambuf object they use.
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template<class charT, class traits> bool operator==(const istreambuf_iterator<charT,traits>& a, const istreambuf_iterator<charT,traits>& b);
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Returns: a.equal(b).
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friend bool operator==(const istreambuf_iterator& i, default_sentinel_t s);
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Returns: i.equal(s).