30 Input/output library [input.output]

30.7 Formatting and manipulators [iostream.format]

30.7.5 Output streams [output.streams]

30.7.5.4 Standard basic_­ostream manipulators [ostream.manip]

template<class charT, class traits> basic_ostream<charT, traits>& endl(basic_ostream<charT, traits>& os);
Effects: Calls os.put(os.widen('\n')), then os.flush().
Returns: os.
template<class charT, class traits> basic_ostream<charT, traits>& ends(basic_ostream<charT, traits>& os);
Effects: Inserts a null character into the output sequence: calls os.put(charT()).
Returns: os.
template<class charT, class traits> basic_ostream<charT, traits>& flush(basic_ostream<charT, traits>& os);
Effects: Calls os.flush().
Returns: os.