Method rank

roaringarray.go:29–29

rank returns the number of integers that are smaller or equal to x. rank(infinity) would be getCardinality().

(uint16)

	// rank returns the number of integers that are
	// smaller or equal to x. rank(infinity) would be getCardinality().
	rank(uint16) int

	// getCardinalityInRange returns the number of integers that are
	// within the half-open range [start, end). It is equivalent to