Function rolling_dedicated_thread_with_builder 

pub fn rolling_dedicated_thread_with_builder(
    builder: NonBlockingBuilder,
    appender: RollingFileAppender,
) -> (NonBlocking, WorkerGuard)

Available on crate feature std only.

rolling_dedicated_thread variant accepting a pre-configured NonBlockingBuilder (custom buffer limit, lossy vs. blocking back-pressure, thread name, …).