Function siftupTimer

timers.go:162–178

Heap maintenance algorithms. Based on golang source /runtime/time.go

(i int)

// Based on golang source /runtime/time.go

func siftupTimer(i int) {
	tmp := timers[i]
	when := tmp.when

	var p int
	for i > 0 {
		p = (i - 1) / 4 // parent
		if !when.Before(timers[p].when) {
			break
		}
		timers[i] = timers[p]
		timers[i].i = i
		timers[p] = tmp
		timers[p].i = p
		i = p
	}
}

func siftdownTimer(i int) {
	n := len(timers)