PoisonousJohn

public class APIService : IAPIService
{
	private readonly Lazy<ILogger> _logger;

	public APIService()
	{
		_logger = Services.log;
	}

	public string UserId { get; private set; }

PoisonousJohn

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public static class Services
{
  public static Lazy<ILogger> log = new Lazy<ILogger>(() =>
  {
    return new UserIdUnityLogger(api);
  });

PoisonousJohn

using System;


public class Lazy<T> {
	public Lazy(Func<T> factory)
	{
		if (factory == null)
		{
			throw new ArgumentNullException("Lazy<T> doesn't accept null factory");
		}

PoisonousJohn

using System;

public static class Services
{
  public static IAPIService api { get { return _api.Value; } }
  public static bool isOffline { get; set; }
  
  private static Lazy<IAPIService> _api = new Lazy<IAPIService>(() => isOffline
                                        ? (IAPIService)new OfflineAPIService() 
                                        : new APIService());

PoisonousJohn

public class APIService {
  public virtual string UserId {
    get {
      return _userId;
    }
  }
    
  public virtual void Login()
  {
    // send request to server here

PoisonousJohn

public static class Services
{
    public static bool isOffline
    {
        get; set;
    }
}

public class APIService
{

PoisonousJohn

public static class Services
{
  public static AdService ads { get; set; }
  public static APIService api { get; set; }
  // tons of other services
  public static AnalyticsService analytics { get; set; }
}

public class Loader : MonoBehaviour {
  private void Awake()

PoisonousJohn

using System;

public class Logger
{
	public void Info(string msg)
	{
		Console.WriteLine(msg);
	}
	
}

PoisonousJohn

using System.Console;
public class Test
{
    public Test()
    {
        Console.WriteLine("Let's test it");
    }
}

PoisonousJohn

{
	"generatedBy": "Microsoft.NET.Sdk.Functions-1.0.0.0",
	"configurationSource": "attributes",
	"bindings": [
		{
			"type": "eventHubTrigger",
			"path": "default",
			"connection": "EventHub",
			"name": "myEventHubMessage"
		}