backend

type Backend interface {
	Name() string
	Set(key []byte, value []byte, expiry time.Duration) error
	Get(key []byte) ([]byte, error)
	RangeIterator(fromKy []byte, toKey []byte) Iterator
	Iterator() Iterator
	Delete(key []byte) error
	SetExpiry(time time.Duration)
	String() string
	Persistent() bool
	Close() error
	Destroy() error
}

type Builder func(name string) (Backend, error)

type Iterator interface {
	SeekToFirst()
	SeekToLast()
	Seek(key []byte)
	Next()
	Prev()
	Close()
	Key() []byte
	Value() []byte
	Valid() bool
	Error() error
}

type MockBackend struct {
	// contains filtered or unexported fields
}