Method restore

hail-fuzz/src/debugging/trace.rs:66–68

(&mut self, snapshot: &Box<dyn std::any::Any>)

    }

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

pub type PathTracerSnapshot = Vec<TraceEntry>;