pub fn merge_with_zero<H: Hasher + Default>(
height: u8,
node_key: &H256,
value: &MergeValue,
set_bit: bool,
) -> MergeValuepub fn merge_with_zero<H: Hasher + Default>(
height: u8,
node_key: &H256,
value: &MergeValue,
set_bit: bool,
) -> MergeValue