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). |