public static class Test
{
	public static bool Run()
	{
		Queue<int>() q; //FAIL: cl
		Queue<int>! p = q; //FAIL: swift
		p.Enqueue(42);
		p.Clear();
		q.Enqueue(5);
		p.Enqueue(10);
		p.Enqueue(15);
		p.Dequeue();
		return p.Count == 2 && p.Dequeue() == 10 && p.Peek() == 15;
	}
}