{"ast_node_type":"function","tokens":[{"end":78,"kind":"keyword","start":0,"text":"pub"}]}
    pub fn get<Tcx: DepContext>(&self, key: &Key, tcx: Tcx) -> Option<Value> {
impl<Key: Eq + Hash, Value: Clone> Cache<Key, Value> {
        Some(self.hashmap.borrow().get(key)?.get(tcx))