NewConcreteAggregate creates a new ConcreteAggregate instance.

NewLinkedListIterator creates a new iterator for the linked list.

ConcreteAggregate struct.

ConcreteAggregate struct.

ConcreteIterator struct.

ConcreteIterator struct.

LinkedList struct representing a linked list.

LinkedListIterator struct representing an iterator for the linked list.

Node struct representing elements of linked list.

Aggregate interface.

Iterable interface.

Iterator interface.

Iterator interface.