Method orArray

arraycontainer.go:493–520

(value2 *arrayContainer)

}

func (ac *arrayContainer) orArray(value2 *arrayContainer) container {
	value1 := ac
	maxPossibleCardinality := value1.getCardinality() + value2.getCardinality()
	if maxPossibleCardinality > arrayDefaultMaxSize { // it could be a bitmap!
		bc := newBitmapContainer()
		for k := 0; k < len(value2.content); k++ {
			v := value2.content[k]
			i := uint(v) >> 6
			mask := uint64(1) << (v % 64)
			bc.bitmap[i] |= mask
		}
		for k := 0; k < len(ac.content); k++ {
			v := ac.content[k]
			i := uint(v) >> 6
			mask := uint64(1) << (v % 64)
			bc.bitmap[i] |= mask
		}
		bc.cardinality = int(popcntSlice(bc.bitmap))
		if bc.cardinality <= arrayDefaultMaxSize {
			return bc.toArrayContainer()
		}
		return bc
	}
	answer := newArrayContainerCapacity(maxPossibleCardinality)
	nl := union2by2(value1.content, value2.content, answer.content)
	answer.content = answer.content[:nl] // reslice to match actual used capacity
	return answer
}

func (ac *arrayContainer) orArrayCardinality(value2 *arrayContainer) int {
	return union2by2Cardinality(ac.content, value2.content)