Function createCell

spec/unit/doc/cell.spec.js:31–35

(col)

        return this.cells[col] || this.createCell(col);
      },
      createCell(col) {
        const address = colCache.encodeAddress(this.number, col);
        const column = sheetMock.getColumn(col);
        return (this.cells[col] = new Cell(this, column, address));
      },
      number: num,
      get worksheet() {
        return sheetMock;