Function parallel_map

pub fn parallel_map<T, U, F>(
    data: &[T],
    config: &ParallelConfig,
    func: F,
) -> Result<ParallelResult<U>, BenfError>
where
    T: Clone + Send + Sync + 'static,
    U: Send + Sync + 'static,
    F: Fn(&T) -> U + Send + Sync + Copy + 'static,

並列データ処理