Method as_variant_mut

tangle/src/node.rs:205–209

(&'a mut self, token: &'a mut NodeOwner)

    }

    pub fn as_variant_mut<'a, T>(&'a mut self, token: &'a mut NodeOwner) -> Option<&'a mut T> where T: 'static + Clone {
        let x = self.as_variant::<T>(token);
        //(&mut x?.clone() as &mut (dyn core::any::Any + 'static)).downcast_mut::<T>()
        panic!()
    }

    fn set_time(&mut self, time: Timestamp) {
        self.time = time;