/// <inheritdoc/>
public IFormulaBuilder AddCellColumnLetter(ColumnLetter columnLetter)
{
_ = columnLetter ?? throw new ArgumentNullException(nameof(columnLetter));
_stringBuilder.Append(columnLetter);
return(this);
}
/// <summary>
/// Constructor.
/// </summary>
private CellAddress(string columnLetter, string rowNumber)
{
ColumnLetter = ColumnLetter.Create(columnLetter);
RowNumber = RowNumber.Create(rowNumber);
}
private List <Cell> destroyerTwo = new List <Cell>(); // If more than 2 destroyers were required, then could have an array of destroyers rather than separate variables.
private string DetermineColumnLetter(int columnNumber)
{
ColumnLetter columnLetter = (ColumnLetter)columnNumber;
return(columnLetter.ToString());
}