Method is_empty

data_structures/queues/linked_queue.py:83–93

>>> queue = LinkedQueue() >>> queue.is_empty() True >>> for i in range(1, 6): ... queue.put(i) >>> queue.is_empty() False

(self)

        return " <- ".join(str(item) for item in self)

    def is_empty(self) -> bool:
        """
        >>> queue = LinkedQueue()
        >>> queue.is_empty()
        True
        >>> for i in range(1, 6):
        ...     queue.put(i)
        >>> queue.is_empty()
        False
        """
        return len(self) == 0

    def put(self, item: Any) -> None:
        """