public static void Empty()
{
Span<int> empty = Span<int>.Empty;
Assert.True(empty.IsEmpty);
Assert.Equal(0, empty.Length);
unsafe
{
ref int expected = ref Unsafe.AsRef<int>(null);
ref int actual = ref empty.DangerousGetPinnableReference();
Assert.True(Unsafe.AreSame<int>(ref expected, ref actual));
}
}