true when element i is a null slot.Column.isNullAt
bool isNullAt(size_t i) constParameters
i | the element index (0 .. length) |
Returns
Throws
DataFrameException when
i is out of range.bool isNullAt(size_t i) consti | the element index (0 .. length) |
true when element i is a null slot.i is out of range.