Method rendezvous

kernel/src/process.rs:213–219

Get a clone of a rendezvous handle if it exists

(&self, id: u64)

    /// Get a clone of a rendezvous handle if it exists
    pub fn rendezvous(&self, id: u64)
                      -> Option<Arc<RwLock<Rendezvous>>> {
        self.process.read().handles.get(id as usize) // Option<&Option<Arc<>>>
            .unwrap_or(&None)  // &Option<Arc<>>
            .as_ref() // Option<&Arc<>>
            .map(|rv| rv.clone()) // Option<Arc<>>
    }

    /// Take the rendezvous, leaving handle empty (None)
    pub fn take_rendezvous(&self, id: u64)