bloom

type BloomFilter interface {
	// Size of bloom filter in bits
	Size() uint64

	// NumHash is the number of hash functions used
	NumHash() uint64

	// NumElements is the number of elements in the bloom filter
	NumElements() uint64

	// Add key into bloom filter
	Add([]byte)

	// Exist checks if a key is in bloom filter
	Exist([]byte) bool

	// Bytes returns the bytes of bloom filter
	Bytes() []byte
}