dtryon

public class Bus : IBus
{
    // this is our dependency that will publish the message to a queue (or somewhere else)
    private IMessageDispatcher messageDispatcher;

    public void Publish<T>(Action<T> action) where T : IMessage
    {
        var newInstance = CreateInstance<T>();
        
        // pass the new instance to the action (by reference)

dtryon

using System;

public class Program
{
	public static void Main()
	{
		Brush brush = new Brush();
		brush.ChooseColor(c => c);

		Console.WriteLine("Choose Default: {0}", brush.Color);

dtryon

public class Order
{
  private Customer customer;

  public Order(Customer customer)
  { 
    this.customer = customer;
  }

  // snip

dtryon

public class Order
{
  private Customer customer;
  private ISendEmail sendEmail;

  public Order(Customer customer, ISendEmail sendEmal)
  { 
    this.customer = customer;
    this.sendEmail = sendEmail;
  }

dtryon

public class Order
{
  private Customer customer;

  public Order(Customer customer)
  { 
    this.customer = customer;
  }

  // snip

dtryon

public class Order
{
  private Customer customer;

  public Order(Customer customer)
  { 
    this.customer = customer;
  }

  // snip

dtryon

public class OrderingService
{
  private ISendEmail sendEmail;

  public OrderingService(ISendEmail sendEmail)
  { 
    this.sendEmail = sendEmail;
  }

  // snip

dtryon

describe('Game of Life', function () {
	var game;
	beforeEach(function () {
		game = Game(30);
	});

	it('should create a new 30 x 30 grid', function () {
		expect(game.grid().length).toBe(30);
		expect(game.grid()[0].length).toBe(30);
	});

dtryon

var Game = (function () {
    
    return function() {

        return {};
    };
})();

dtryon

var Game = (function () {

    var _grid;

    var init = function (size) {
        _grid = [];
        for (var x = size - 1; x >= 0; x--) {
            var row = [];
            for (var y = size - 1; y >= 0; y--) {
                row.push(0);