// This ensures that any "unreachable code" warning will error out // rather than generate invalid IL or crash compiler using System; public enum FooEnum { One, Two }; class Foo { public static int y = 1; public static int f () { return 0; } public static int Main () { int x; do { x = f (); if (x != 0) continue; return 0; } while (x > y); return 1; } public static string Test_2 () { throw new Exception (); var account = "yo"; if (account == null) { } var s = "yo"; switch (8) { case 1: case 2: break; default: throw new NotSupportedException (); } return s; } const FooEnum foo = FooEnum.Two; static void Test_3 () { object obj; switch (foo) { case FooEnum.One: obj = new object (); break; case FooEnum.Two: obj = new object (); break; } Console.WriteLine (obj); } }