private string ProcessNumbersWithMsg(int a, int b, ProcessTwoNumbersDelegate processNumbersDelegate)
{
if (processNumbersDelegate == null)
{
return("Press Add/Subtract first!");
}
return("Weird msg! " + processNumbersDelegate(a, b));
}
public void Run()
{
ProcessTwoNumbersDelegate Add = (x, y) => x + y;
var additionResult = Add(1, 2);
Console.WriteLine($"Addition result is {additionResult}");
ProcessTwoNumbersDelegate Multiply = (int x, int y) => { return(x * y); };
var multiplicationResult = Multiply(5, 7);
Console.WriteLine($"Multiplicaiton result is {multiplicationResult}");
var numbersRepository = new IntNumbersRepository(20);
var divisibleBy3 = numbersRepository.Get(n => n % 3 == 0);
Console.WriteLine("Numbers divisible by 3 are: " + string.Join(",", divisibleBy3));
//OUTPUT
// Addition result is 3
// Multiplicaiton result is 35
// Numbers divisible by 3 are: 0,3,6,9,12,15,18
}