generator_next
Retrieve the next item from a generator
Description
Use to retrieve items from generators (e.g. image_data_generator()). Will return either the next item or NULL if there are no more items.
Usage
generator_next(generator, completed = NULL) Arguments
| Arguments | Description |
|---|---|
| generator | Generator |
| completed | Sentinel value to return from generator_next() if the iteration completes (defaults to NULL but can be any R value you specify). |