C# (CSharp) IteratorPattern Collection.GetItems примеры использования

Пример #1

        public bool MoveNext()
        {
            int updatedPosition = _position + (_reverse ? -1 : 1);

            if (updatedPosition >= 0 && updatedPosition < _collection.GetItems().Count)
            {
                _position = updatedPosition;
                return(true);
            }

            return(false);
        }

Пример #2

        public Enum(Collection collection, bool reverse = false)
        {
            _collection = collection;
            _reverse    = reverse;

            if (reverse)
            {
                _position = collection.GetItems().Count;
            }
        }

Пример #3

 public object Current()
 {
     return(_collection.GetItems()[_position]);
 }