Method snapshot

hail-fuzz/src/input.rs:339–343

(&mut self)

    }

    fn snapshot(&mut self) -> Box<dyn std::any::Any> {
        let cursors: Vec<_> = self.streams.iter().map(|(k, v)| (*k, v.cursor)).collect();
        let tracer = self.tracer.as_ref().map(|x| x.snapshot());
        Box::new(MultiStreamSnapshot { cursors, tracer })
    }

    fn restore(&mut self, snapshot: &Box<dyn std::any::Any>) {
        let snapshot = snapshot.downcast_ref::<MultiStreamSnapshot>().unwrap();