/// Check if the block is NODE or TOMBSTONE.
Check if the block is NODE or TOMBSTONE.
Check if the block is NODE or TOMBSTONE .
fn check_node_or_tombstone(&self) -> Result<(), Error> {
        if self.block_type().is_node_or_tombstone() {
            return Ok(());
        }
        Err(format_err!("Expected NODE|TOMBSTONE, got: {}", self.block_type()))
    }
fn check_node_or_tombstone ( & self ) -> Result < ( ) , Error > { if self . block_type ( ) . is_node_or_tombstone ( ) { return Ok ( ( ) ) ; } Err ( format_err ! ( " " self block_type ( ) ) ) }
Check if the block is NODE or TOMBSTONE.
Check if the block is NODE or TOMBSTONE .
&self