package peer

type dupList struct {
	items [64]uint64
	index int
}

func (l *dupList) isDuplicate(in uint64) bool {
	for _, i := range l.items {
		if i == in {
			return true
		}
	}
	l.items[l.index] = in
	l.index = (l.index + 1) % 64
	return false
}