indexByString static method
CellIndex.indexByColumnRow('A1'); // columnIndex: 0, rowIndex: 0
CellIndex.indexByColumnRow('A2'); // columnIndex: 0, rowIndex: 1
Implementation
static CellIndex indexByString(String cellIndex) {
List<int> li = _cellCoordsFromCellId(cellIndex);
return CellIndex._(row: li[0], col: li[1]);
}