Function parallel_batch_process_chunked 

pub fn parallel_batch_process_chunked<T, R, F>(
    items: &[T],
    chunk_size: usize,
    config: &BatchConfig,
    func: F,
) -> Result<BatchResult<R>>
where
    T: Sync,
    R: Send,
    F: Fn(&[T]) -> Result<Vec<R>> + Sync + Send,

Process a batch in chunks

This is useful when you want to control memory usage by processing items in smaller batches.

Arguments

• items - Items to process
• chunk_size - Number of items per chunk
• config - Batch configuration
• func - Function to apply to each chunk

Returns

Batch result containing successes and failures