// t.Round(   1ms) = 12:15:30.918
	// t.Round(    1s) = 12:15:31
	// t.Round(    2s) = 12:15:30
	// t.Round(  1m0s) = 12:16:00
	// t.Round( 10m0s) = 12:20:00
	// t.Round(1h0m0s) = 12:00:00
}

func ExampleTime_Truncate() {
	t, _ := time.Parse("2006 Jan 02 15:04:05", "2012 Dec 07 12:15:30.918273645")
	trunc := []time.Duration{
		time.Nanosecond,
		time.Microsecond,
		time.Millisecond,
		time.Second,
		2 * time.Second,