public static void CtorArray1()
{
int[] a = { 91, 92, -93, 94 };
ReadOnlySpan<int> span;
span = new ReadOnlySpan<int>(a);
span.Validate<int>(91, 92, -93, 94);
span = new ReadOnlySpan<int>(a, 0);
span.Validate<int>(91, 92, -93, 94);
span = new ReadOnlySpan<int>(a, 0, a.Length);
span.Validate<int>(91, 92, -93, 94);
}