<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def dispatch_queue(loader):
 # type: (DataLoader) -> None """ Given the current state of a Loader instance, perform a batch load from its current queue. """

    # Take the current loader queue, replacing it with an empty queue.
    queue = loader._queue
    loader._queue = []

    # If a maxBatchSize was provided and the queue is longer, then segment the
    # queue into multiple batches, otherwise treat the queue as a single batch.
    max_batch_size = loader.max_batch_size

    if max_batch_size and max_batch_size < len(queue):
        chunks = get_chunks(queue, max_batch_size)
        for chunk in chunks:
            dispatch_queue_batch(loader, chunk)
    else:
        dispatch_queue_batch(loader, queue)