Method Close

stack.go:263–284

Close closes the LevelDB database of the stack.

()

// Close closes the LevelDB database of the stack.
func (s *Stack) Close() error {
	s.Lock()
	defer s.Unlock()

	// Check if stack is already closed.
	if !s.isOpen {
		return nil
	}

	// Close the LevelDB database.
	if err := s.db.Close(); err != nil {
		return err
	}

	// Reset stack head and tail and set
	// isOpen to false.
	s.head = 0
	s.tail = 0
	s.isOpen = false

	return nil
}

// Drop closes and deletes the LevelDB database of the stack.
func (s *Stack) Drop() error {