Entitas.Systems.Initialize C# (CSharp) Method

        public virtual void Initialize()
        {
            for (int i = 0; i < _initializeSystems.Count; i++) {
                _initializeSystems[i].Initialize();
            }
        }

 void Start() {
     _pool = new Pool(ComponentIds.TotalComponents, 0, new PoolMetaData("Systems Pool", ComponentIds.componentNames));
     new PoolObserver(_pool, ComponentIds.componentTypes);
     _systems = createNestedSystems();
     _systems.Initialize();
     _pool.CreateEntity().AddMyString("");
 }