}

	if err := scanner.Err(); err != nil {
		fmt.Printf("Invalid input: %s", err)
	}
	// Output:
	// 1234
	// 5678
	// Invalid input: strconv.ParseInt: parsing "1234567901234567890": value out of range
}

// Use a Scanner with a custom split function to parse a comma-separated
// list with an empty final value.
func ExampleScanner_emptyFinalToken() {