I have mixed feelings with design patterns and it comes back to what you say about not implementing it as you have done. People will latch on to the hasNextgetNext and that becomes the pattern. popFrontfront would be seen as deviation from the pattern.
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I love the iterator pattern. D defines 5 interfaces and a number of capabilities that an algorithm can require and provides the algorithms.
I have mixed feelings with design patterns and it comes back to what you say about not implementing it as you have done. People will latch on to the
hasNextgetNextand that becomes the pattern.popFrontfrontwould be seen as deviation from the pattern.