pkg fmt, type Scanner interface { Scan }
pkg fmt, type Scanner interface, Scan(ScanState, int32) error
pkg fmt, type State interface { Flag, Precision, Width, Write }
pkg fmt, type State interface, Flag(int) bool
pkg fmt, type State interface, Precision() (int, bool)
pkg fmt, type State interface, Width() (int, bool)
pkg fmt, type State interface, Write([]uint8) (int, error)
pkg fmt, type Stringer interface { String }