Method next

tfjs-data/src/iterators/lazy_iterator.ts:518–527

()

  }

  async next(): Promise<IteratorResult<T>> {
    try {
      return this.nextFn();
    } catch (e) {
      // Modify the error message but leave the stack trace intact
      e.message =
          `Error thrown while iterating through a dataset: ${e.message}`;
      throw e;
    }
  }
}

class SerialIterator<T> extends LazyIterator<T> {