func strings.IndexRune

10 uses

	strings (current package)
		strings.go#L73: 	return IndexRune(s, r) >= 0
		strings.go#L127: func IndexRune(s string, r rune) int {
		strings.go#L212: 		return IndexRune(s, r)
		strings.go#L225: 		if IndexRune(chars, c) >= 0 {
		strings.go#L245: 		if IndexRune(chars, rc) >= 0 {
		strings.go#L277: 		if IndexRune(chars, r) >= 0 {

	rsc.io/qr/coding
		qr.go#L165: 		if strings.IndexRune(alphabet, c) < 0 {
		qr.go#L183: 		w := uint(strings.IndexRune(alphabet, rune(s[i])))*45 +
		qr.go#L184: 			uint(strings.IndexRune(alphabet, rune(s[i+1])))
		qr.go#L189: 		w := uint(strings.IndexRune(alphabet, rune(s[i])))