equals method
Whether this object and a specified object are equal.
Implementation
bool equals(RowColumnIndex obj) {
final RowColumnIndex other = obj;
return other.rowIndex == rowIndex && other.columnIndex == columnIndex;
}
Whether this object and a specified object are equal.
bool equals(RowColumnIndex obj) {
final RowColumnIndex other = obj;
return other.rowIndex == rowIndex && other.columnIndex == columnIndex;
}