Function listen_with 

pub fn listen_with<Message>(
    f: fn(Event, Status, Id) -> Option<Message>,
) -> Subscription<Message>
where
    Message: 'static + MaybeSend,

Creates a Subscription that listens and filters all the runtime events with the provided function, producing messages accordingly.

This subscription will call the provided function for every [Event] handled by the runtime. If the function:

• Returns None, the [Event] will be discarded.
• Returns Some message, the Message will be produced.