Method _rollback

python/paddle/base/framework.py:7319–7325

Exit a code block, i.e., roll back to the parent block. Returns: None

(self)

        self.current_block_idx = 0

    def _rollback(self):
        """
        Exit a code block, i.e., roll back to the parent block.
        Returns:
            None
        """
        self.current_block_idx = self.current_block().parent_idx

    def _sync_with_cpp(self):
        """