duplicateRowAt method
Implementation
void duplicateRowAt(int index) {
if (index < 0 || index >= _rows.length) return;
_apply(List<T>.from(_rows)..insert(index + 1, _rows[index]));
_sel = CellRef(index + 1, _sel.col);
notifyListeners();
}
void duplicateRowAt(int index) {
if (index < 0 || index >= _rows.length) return;
_apply(List<T>.from(_rows)..insert(index + 1, _rows[index]));
_sel = CellRef(index + 1, _sel.col);
notifyListeners();
}