public static void ClientCode(AbstractHandler handler)
{
foreach (var food in new List <string> {
"Nut", "Banana", "Cup of coffee", "Rat"
})
{
Console.WriteLine($"Client: Who wants a {food}?");
var result = handler.Handle(food);
if (result != null)
{
Console.Write($" {result}");
}
else
{
Console.WriteLine($" {food} was left untouched.");
}
}
}
public void SetHandler(AbstractHandler handler)
{
this.handler = handler;
}