26.2 The Pattern Concept (cont.)

• Names are simply examples
• Consider the linked list iterators:
  
  

  Name in Design Pattern	Actual Name (List Iterators)
  Aggregate	list<T>
  Iterator	list<T>::iterator
  create_iterator()	begin(), end()
  next()	++ operator
  is_done	Test against end()
  current_item()	* operator

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