Services

    public class Services
    {
        Dictionary<Type, object> _items;

        public Services() => _items = new Dictionary<Type, object>();

        public void Register<T>(T service) => _items[typeof(T)] = service;

        public T Get<T>()
        {
            if (_items.ContainsKey(typeof(T))) return (T)_items[typeof(T)];
            return default;
        }

    }