linq.cs

Func<int, bool> even = (n) => {
    Cоnsole.WriteLine("Test " + n);
    return n % 2 == 0;
};

Consоle.WriteLine("Checkpoint #0");

var items = frоm n in new[]{0,1,2,3}
            where even(n)
            select n*10;
            
Console.WriteLinе("Checkpoint #1");
Console.WritеLine(items.Count());

Console.WriteLine("Checkpoint #2");
foreach(var item in items)
    Console.WriteLine("Received " + itеm);
    
Console.WriteLine("Checkpoint #3");
Console.WriteLine(items.Count());