public void Anonymous_Functions()
{
// These are all same thing
// Lambda syntax
Func <string, string> func = (s) => $"Hello {s}";
Func <string, string> func2 = (s) => { return($"Hello {s}"); };
// Old-school delegate syntax (do not use)
Func <string, string> func3 = delegate(string s) { return($"Hello {s}"); };
// In same case had to use delefate where amount of parameters was different
// public delegate T Method(params object[] parameters);
//var funcParams = delegate (params object[] s) { return $"Hello {s}"; };
// Or can just take reference to method
Func <string, string> func4 = GetHelloText;
// Hopefully some day compiler will get smart enough and we can just do this
//var func = (s) => { return $"Hello {s}"; };
Trace.WriteLine(func("World"));
Trace.WriteLine(func2("World"));
Trace.WriteLine(func3("World"));
Trace.WriteLine(func4("World"));
var sayer = new HelloSayer(func);
string text = sayer.Say("World");
var sayer2 = new HelloSayer((s) => $"Not {s}");
string text2 = sayer2.Say("Nice");
Trace.WriteLine(text);
Trace.WriteLine(text2);
}
public abstract void sayHelloUsing([Ice.AsProxy] HelloSayer hs, string who);
public override void sayHelloUsing([Ice.AsProxy] HelloSayer hs, string who)
{
Console.WriteLine("HelloReceiver.sayHelloUsing start");
hs.sayHello(who);
Console.WriteLine("HelloReceiver.sayHelloUsing done");
}
