static void Main(string[] args)
{
IPrintVisitor consoleVisitor = new ConsolePrintVisitor();
Country usa = new Country("USA", "RedWhiteBlue");
State california = new State("California", "Sacramento");
City newYork = new City("New York", "Bill de Blasio");
usa.Accept(consoleVisitor);
california.Accept(consoleVisitor);
newYork.Accept(consoleVisitor);
usa.Accept(new FilePrintVisitor());
california.Accept(new FilePrintVisitor());
newYork.Accept(new FilePrintVisitor());
}
public async Task <Response <T> > Accept <T>(T command) where T : ICommand
{
return(await State.Accept(command));
}
