TakeWhile - Indexed

Query

public void Linq25()  
{  
    int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 };
  
    var firstSmallNumbers = numbers.TakeWhile((n, index) => n >= index);
    Console.WriteLine("First numbers not less than their position:");
    
       foreach (var n in firstSmallNumbers)
    {
        Console.WriteLine(n);
  
    }
}

Lambda Expression

public void Linq25()
{
    int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 };
 
    var firstSmallNumbers = numbers.TakeWhile((n, index) => n >= index);
 
    Console.WriteLine("First numbers not less than their position:");
    foreach (var n in firstSmallNumbers)
    {
        Console.WriteLine(n);
    }
}

Output

First numbers not less than their position:
5
4