<programming> An object or routine for accessing items from a list, array or stream one at a time.
By extension, the term can be used for an object or routine for accesing items from any data structure that can be viewed as a list. For example, a traverser is an iterator for tree-shaped data structures.
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Nearby terms: Iterated Function System « iteration « iterative deepening « iterator » Iternet » IT governance » ITHACA