namespace std {
template <class charT, class traits = char_traits<charT> >
class ostreambuf_iterator :
public iterator<output_iterator_tag, void, void, void, void> {
public:
typedef charT char_type;
typedef traits traits_type;
typedef basic_streambuf<charT,traits> streambuf_type;
typedef basic_ostream<charT,traits> ostream_type;
public:
ostreambuf_iterator(ostream_type& s) noexcept;
ostreambuf_iterator(streambuf_type* s) noexcept;
ostreambuf_iterator& operator=(charT c);
ostreambuf_iterator& operator*();
ostreambuf_iterator& operator++();
ostreambuf_iterator& operator++(int);
bool failed() const noexcept;
private:
streambuf_type* sbuf_; };
}
The class template ostreambuf_iterator writes successive characters onto the output stream from which it was constructed. It is not possible to get a character value out of the output iterator.
24.6.4.1 ostreambuf_iterator constructors [ostreambuf.iter.cons] ostreambuf_iterator(ostream_type& s) noexcept;
Requires: s.rdbuf() shall not be a null pointer.
Effects: Initializes sbuf_ with s.rdbuf().
ostreambuf_iterator(streambuf_type* s) noexcept;
Requires: s shall not be a null pointer.
Effects: Initializes sbuf_ with s.
24.6.4.2 ostreambuf_iterator operations [ostreambuf.iter.ops] ostreambuf_iterator<charT,traits>& operator=(charT c);
Effects: If failed() yields false, calls sbuf_->sputc(c); otherwise has no effect.
ostreambuf_iterator<charT,traits>& operator*();
ostreambuf_iterator<charT,traits>& operator++(); ostreambuf_iterator<charT,traits>& operator++(int);
Returns: true if in any prior use of member operator=, the call to sbuf_->sputc() returned traits::eof(); or false otherwise.
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