public static void Main(string[] args) { var app = new CommandLineApplication(); app.Name = "console-runner"; app.HelpOption("-?|-h|--help"); app.OnExecute(() => { Console.WriteLine("Invalid argument: empty"); return(1); }); CheckUncheckedCommand.Register(app); SolveCommand.Register(app); SolveUnsolvedCommand.Register(app); SolveBlockCommand.Register(app); SubmitCommand.Register(app); CsvCommand.Register(app); app.Execute(args); }