Method contains_key

vmm/src/device_tree.rs:62–64

(&self, k: &str)

        DeviceTree(HashMap::new())
    }
    pub fn contains_key(&self, k: &str) -> bool {
        self.0.contains_key(k)
    }
    pub fn get(&self, k: &str) -> Option<&DeviceNode> {
        self.0.get(k)
    }