Function parallel_fasta_init

pub fn parallel_fasta_init<Ri, E, R, Er, Di, D, Ed, Si, S, Es, W, F, Out>(
    n_threads: u32,
    queue_len: usize,
    reader_init: Ri,
    record_data_init: Di,
    rset_data_init: Si,
    work: W,
    func: F,
) -> Result<Option<Out>, E>
where
    R: Read,
    Ri: Send + FnOnce() -> Result<Reader<R>, Er>,
    Er: Send,
    Ed: Send,
    E: From<Error> + From<Er> + From<Ed> + From<Es>,
    Di: Fn() -> Result<D, Ed> + Send + Sync,
    D: Send,
    Si: Fn() -> Result<S, Es> + Send + Sync,
    S: Send,
    W: Send + Sync + Fn(RefRecord<'_>, &mut D, &mut S),
    F: FnMut(RefRecord<'_>, &mut D, &mut S) -> Option<Out>,

More customisable function doing per-record processing with closures for initialization and moer options.

The reader is lazily initialized in a closure (reader_init) and therefore does not need to implement Send. There is also an initializer for the output data for each record, therefore the type is not required to implement. Default (record_data_init). Finally, each record set can have its own data (kind of thread local data, but actually passed around with the record set) (rset_data_init).