breakIntoLambdas.cs

using System;
using System.Text;

namespace DELETEME
{
    class Program
    {
        static void Main(string[] args) {
            Func<string, string> polite = name => {
                if (name.Length > 4)
                    return String.Format("I like your name, {0}.", name);
                else
                    return String.Format("Please don't tell me your nickname, '{0}'.", name);
            };
            Func<string, string> mean = name => {
                if (name.Length > 4)
                    return String.Format("You have a terrible name, {0}.", name);
                else
                    return String.Format("Wow, tough guy, aren't you '{0}'?", name);
            };

            var moods = new Func<string, string>[] {
                name => {
                    if (name.Length > 4)
                        return String.Format("I am robot number one. I have met you, {0}.", name);
                    else
                        return String.Format("You cannot fool robot number one, '{0}'.", name);
                },
                name => {
                    if (name.Length > 4)
                        return String.Format("I am robot number two. You are pleased to meet my acquaintance, {0}.", name);
                    else
                        return String.Format("I am immune to your short-circuit attempts, '{0}'.", name);
                }
            };

            rollCall(polite);
            rollCall(mean);

            foreach (var mood in moods) {
                rollCall(mood);
            }
        }

        static void rollCall(Func<string, string> mood) {
            string name;
            while ((name = prompt()) != "exit") {
                Console.WriteLine(mood(name));
                Console.WriteLine();
            }
        }

        static string prompt() {
            Console.Write("What is your name? ");
            return Console.ReadLine();
        }
    }
}