// includes returns true if the token is in the whitespace-delimited string.
includes returns true if the token is in the whitespace-delimited string.
// includes returns true if the token is in the whitespace - delimited string .
func includes(s, token string) bool {
	for s != "" {
		i := strings.IndexAny(s, " \t\r\n\f")
		if i == -1 {
			return s == token
		}
		if s[:i] == token {
			return true
		}
		s = s[i+1:]
	}
	return false
}
func includes ( s , token string ) bool { for s != " " { i := strings . IndexAny ( s , " \t \r \n \f " ) if i == - 1 { return s == token } if s [ : i ] == token { return true } s = s [ i + 1 : ] } return false }
includes returns true if the token is in the whitespace-delimited string.
includes returns true if the token is in the whitespace - delimited string .