func strings.FieldsFunc

3 uses

	strings (current package)
		strings.go#L337: 		return FieldsFunc(s, unicode.IsSpace)
		strings.go#L375: func FieldsFunc(s string, f func(rune) bool) []string {

	net/http
		fs.go#L732: 	for _, ent := range strings.FieldsFunc(v, isSlashRune) {