private static void Main()
{
array <@string> a = new array <@string>(2);
a[0] = "Hello";
a[1] = "World";
test(a.Clone());
Console.WriteLine("{0}, {1}", a[0], a[1]);
Console.WriteLine();
a[0] = "Hello";
test2(ref a);
Console.WriteLine("{0}, {1}", a[0], a[1]);
Console.WriteLine();
a[0] = "Hello";
test3(a.slice());
Console.WriteLine("{0}, {1}", a[0], a[1]);
Console.WriteLine();
int[] primes = { 2, 3, 5, 7, 11, 13 };
Console.WriteLine("{0}, {1}, {2}, {3}, {4}, {5}", primes.Cast <object>().ToArray());
Console.ReadLine();
}
// taken from cmd/go/internal/work/buildid.go
private static @string hashToString(array <byte> h)
{
h = h.Clone();
const @string b64 = (@string)"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
const long chunks = (long)5L;
array <byte> dst = new array <byte>(chunks * 4L);
for (long i = 0L; i < chunks; i++)
{
var v = uint32(h[3L * i]) << (int)(16L) | uint32(h[3L * i + 1L]) << (int)(8L) | uint32(h[3L * i + 2L]);
dst[4L * i + 0L] = b64[(v >> (int)(18L)) & 0x3FUL];
dst[4L * i + 1L] = b64[(v >> (int)(12L)) & 0x3FUL];
dst[4L * i + 2L] = b64[(v >> (int)(6L)) & 0x3FUL];
dst[4L * i + 3L] = b64[v & 0x3FUL];
}
return(string(dst[..]));
