4 public double this[double x] {
20 public new double this[double x] {
37 public string this[string x] {
49 public int this[int x] {
65 public static int Main (string[] args) {
68 test[333.333] = 444.444;
69 if (test[333.333] != 444.444)
72 test["a string"] = "another string";
73 if (test["a string"] != "another string")
80 System.Console.WriteLine ("Passes");