deleteRowAt method
Implementation
void deleteRowAt(int index) {
if (index < 0 || index >= _rows.length) return;
_apply(List<T>.from(_rows)..removeAt(index));
}
void deleteRowAt(int index) {
if (index < 0 || index >= _rows.length) return;
_apply(List<T>.from(_rows)..removeAt(index));
}