29 Input/output library [input.output]

29.7 Formatting and manipulators [iostream.format]

29.7.4 Input streams [input.streams]

29.7.4.6 Class template basic_­iostream [iostreamclass]

29.7.4.6.2 Destructor [iostream.dest]

virtual ~basic_iostream();
Remarks: Does not perform any operations on rdbuf().