type fmt.readRune

5 uses

	fmt (current package)
		scan.go#L304: type readRune struct {
		scan.go#L314: func (r *readRune) readByte() (b byte, err error) {
		scan.go#L330: func (r *readRune) ReadRune() (rr rune, size int, err error) {
		scan.go#L369: func (r *readRune) UnreadRune() error {
		scan.go#L388: 		s.rs = &readRune{reader: r, peekRune: -1}