next
Fetch the next value from the current iterator.
If a value is present, it is returned. If the iterator was already finished and no value is available to return, an error is thrown.
Return
The next value from the iterator.
Fetch the next value from the current iterator.
If a value is present, it is returned. If the iterator was already finished and no value is available to return, an error is thrown.
The next value from the iterator.