database

type Bolt[T any] struct {
	// contains filtered or unexported fields
}

type Database[T any] interface {
	// Put a key-value. If the key is already exists, it will be replaced.
	Put(key string, value *T) error

	// Get a key-value. If the key is not exists, we will return `ErrNotFound`.
	// You can use `database.IsNotFound` to check.
	Get(key string) (*T, error)

	// Delete a key-value. If the key is not exists, we won't return error.
	Delete(key string) error

	// Pop return the first key-value, and delete it. The pop order is not
	// guaranteed (unlike traditional stack).
	// If the database is empty and no key-value to pop, this will return `EOF`
	// error, you can use `database.IsEOF` to check.
	Pop() (*KeyValue[T], error)

	// List returns all key-values in database.
	List() ([]*KeyValue[T], error)

	// Count returns the number of key-values in database.
	Count() (int, error)

	// Close closes the database.
	Close() error
}

type KeyValue[T any] struct {
	Key   string
	Value *T
}