Whether the value is NULL. False when the row or column does not exist.
- r: the result.
- row: the row, counting from 0.
- column: the column, counting from 0.
is_null :: (r: *Result, row: s64, column: s64) -> boolWhether the value is NULL. False when the row or column does not exist.
Parameters
- r: *Result
- the result.
- row: s64
- the row, counting from 0.
- column: s64
- the column, counting from 0.
Returns
- bool