Method resetTo

bitmapcontainer.go:1115–1139

(a container)

}

func (bc *bitmapContainer) resetTo(a container) {
	switch x := a.(type) {
	case *arrayContainer:
		fill(bc.bitmap, 0)
		bc.loadData(x)

	case *bitmapContainer:
		bc.cardinality = x.cardinality
		copy(bc.bitmap, x.bitmap)

	case *runContainer16:
		bc.cardinality = len(x.iv)
		lastEnd := 0
		for _, r := range x.iv {
			bc.cardinality += int(r.length)
			resetBitmapRange(bc.bitmap, lastEnd, int(r.start))
			lastEnd = int(r.start+r.length) + 1
			setBitmapRange(bc.bitmap, int(r.start), lastEnd)
		}
		resetBitmapRange(bc.bitmap, lastEnd, maxCapacity)

	default:
		panic("unsupported container type")
	}
}

func (bc *bitmapContainer) toArrayContainer() *arrayContainer {
	ac := &arrayContainer{}