Method append

crates/vm/src/stdlib/_collections.rs:72–79

(&self, obj: PyObjectRef)

    impl PyDeque {
        #[pymethod]
        fn append(&self, obj: PyObjectRef) {
            self.state.fetch_add(1);
            let mut deque = self.borrow_deque_mut();
            if self.maxlen == Some(deque.len()) {
                deque.pop_front();
            }
            deque.push_back(obj);
        }

        #[pymethod]
        fn appendleft(&self, obj: PyObjectRef) {