// absDuration returns the abs time difference
absDuration returns the abs time difference
// absDuration returns the abs time difference
func absDuration(a time.Duration) time.Duration {
	if a >= 0 {
		return a
	}
	return -a
}
func absDuration ( a time . Duration ) time . Duration { if a >= 0 { return a } return - a }
absDuration returns the abs time difference
absDuration returns the abs time difference