def delete_node_storage(node)
      return if node == BLANK_NODE
      raise ArgumentError, "node must be Array or BLANK_NODE" unless node.instance_of?(Array)

      encoded = encode_node node
      return if encoded.size < 32

      # FIXME: in current trie implementation two nodes can share identical
      # subtree thus we can not safely delete nodes for now
      #
      # \@db.delete encoded
    end
def delete_node_storage(node)
      return if node == BLANK_NODE
      raise ArgumentError, "node must be Array or BLANK_NODE" unless node.instance_of?(Array)

      encoded = encode_node node
      return if encoded.size < 32

      # FIXME: in current trie implementation two nodes can share identical
      # subtree thus we can not safely delete nodes for now
      #
      # \@db.delete encoded
    end
Delete node storage.

 @param node [Array, BLANK_NODE] node in form of array, or BLANK_NODE