public override CalculationResult Substract(StringResult second)
{
if (string.IsNullOrEmpty(second.Value))
{
return(this);
}
throw new Exception("Can`t substract Number and String.");
}
public override BoolResult IsLess(StringResult second)
{
if (string.IsNullOrEmpty(this.Value))
{
return(new BoolResult(false));
}
return(new BoolResult(string.Compare(this.Value, second.Value) == -1));
}
public override BoolResult IsLess(StringResult second)
{
if (string.IsNullOrEmpty(second.Value))
{
return(new BoolResult(true));
}
return(new BoolResult(true));
}
public override CalculationResult Multiply(StringResult second)
{
if (int.TryParse(this.Value, out var res))
{
return(new StringResult(string.Join("", Enumerable.Repeat(second.Value, res))));
}
else
{
throw new Exception("Cant multiply number and string.");
}
}
public abstract BoolResult IsLess(StringResult second);
public abstract BoolResult IsBigger(StringResult second);
public abstract CalculationResult Divide(StringResult second);
public abstract CalculationResult Multiply(StringResult second);
public abstract CalculationResult Substract(StringResult second);
public override CalculationResult Multiply(StringResult second)
{
throw new Exception("Can`t multiply strings.");
}
public override CalculationResult Substract(StringResult second)
{
throw new Exception("Can`t substract Strings.");
}
public override CalculationResult Add(StringResult second)
{
return(new StringResult(this.Value + second.Value));
}
public override CalculationResult Divide(StringResult second)
{
throw new Exception("Can`t divide strings.");
}
public override CalculationResult Divide(StringResult second)
{
return(new NumberResult(0));
throw new Exception("Can`t divide strings.");
}