/// <summary>
/// Makes all next variables equal to null
/// </summary>
private void FlushNext()
{
if (next != null)
{
next.FlushNext();
next = null;
}
}
/// <summary>
/// Adds a new item to the MyListStack
/// </summary>
/// <param name="index"></param>
/// <param name="value">The value that needs to be added</param>
public void Add(int index, double?value)
{
// stop condition
if (item == null)
{
item = value;
}
else if (next == null)
{
next = new MyListStack <T>();
next.item = item;
item = null;
Add(0, value);
}
else
{
next.Add(0, item);
item = value;
}
}
/// <summary>
/// The constructor of the class Calculator logic
/// </summary>
public CalculatorLogic()
{
myListStack = new MyListStack <double>();
listStack = new ListStack();
arrayStack = new ArrayStack();
}