store

type Readable interface {
	Get(key []byte) ([]byte, error)
}

type Snapshot interface {
	Readable
	Writable
}

type Transaction interface {
	// OnCommit adds a callback to be executed after the transaction
	// successfully commits.
	OnCommit(func())
}

type Writable interface {
	Set(key []byte, value []byte) error

	// Delete deletes a given key.
	// It can return an error if deleting from a read-only store
	// No error is returned if the key does not exist.
	Delete(key []byte) error
}