// downHeapify reconstruct a heap for down.
downHeapify reconstruct a heap for down.
// downHeapify reconstruct a heap for down .
func (h *Heap) downHeapify(current int) {
	if h.leaf(current) {
		return
	}
	smallest := current
	leftChildIndex := h.leftchild(current)
	rightRightIndex := h.rightchild(current)
	if leftChildIndex < h.size && h.values[leftChildIndex] < h.values[smallest] {
		smallest = leftChildIndex
	}
	if rightRightIndex < h.size && h.values[rightRightIndex] < h.values[smallest] {
		smallest = rightRightIndex
	}
	if smallest != current {
		h.swap(current, smallest)
		h.downHeapify(smallest)
	}
	return
}
func ( h * Heap ) downHeapify ( current int ) { if h . leaf ( current ) { return } smallest := current leftChildIndex := h . leftchild ( current ) rightRightIndex := h . rightchild ( current ) if leftChildIndex < h . size && h . values [ leftChildIndex ] < h . values [ smallest ] { smallest = leftChildIndex } if rightRightIndex < h . size && h . values [ rightRightIndex ] < h . values [ smallest ] { smallest = rightRightIndex } if smallest != current { h . swap ( current , smallest ) h . downHeapify ( smallest ) } return }
downHeapify reconstruct a heap for down.
downHeapify reconstruct a heap for down .