Method push

index/write.go:413–419

(ch *postChunk)

}

func (h *postHeap) push(ch *postChunk) {
	n := len(h.ch)
	h.ch = append(h.ch, ch)
	if len(h.ch) >= 2 {
		h.siftUp(n)
	}
}

func (h *postHeap) siftDown(i int) {
	ch := h.ch