| 41. | There is also a yield break statement, in which control is unconditionally returned to the caller of the iterator.
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| 42. | When " flag " is an explicit nil or omitted, this returns an iterator for number keys.
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| 43. | A pull parser creates an iterator that sequentially visits the various elements, attributes, and data in an XML document.
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| 44. | Adding or removing elements by calling the methods of container ( also from the same thread ) makes the iterator unusable.
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| 45. | Thus, no matter what type of indexing method any implementation of the element uses, it will have the appropriate Iterator.
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| 46. | Each Iterator is given a reference to a specific algorithm ( such as spell check, grammar check, etc . ).
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| 47. | The ParaSail parallel programming language supports several kinds of iterators, including a general " for each " iterator over a container:
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| 48. | Here is a small excerpt from the definition of the interfaces List and Iterator in package " " ":
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| 49. | It is possible for users to create their own iterator types by deriving subclasses from the standard std : : iterator class template.
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| 50. | It is possible for users to create their own iterator types by deriving subclasses from the standard std : : iterator class template.
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