19 public readonly int v = arg;
22 struct S3 (string s = "arg")
24 public readonly string V2 = s;
26 public S3 (int i, string s = "arg2")
34 public static int Main ()
36 if (new S (-5).y != -5)
39 if (new S ('x').y != 1)
42 if (new S2 (2).v != 2)
45 if (new S3 ("x").V2 != "x")
48 if (new S3 (0).V2 != "arg2")