Otherwise if the insertion took place, `inserted` is true, `position` points to the inserted element, and `node` is empty.
Otherwise if the insertion took place,否则，若插入操作发生，则 `inserted` is为 `true,` ， `position` points to the inserted element, and `node` is empty.指向被插入的元素，且 `node` 为空。
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Otherwise if the insertion took place,否则，若插入操作发生，则 `inserted`is为 `true,` ， `position`points to the inserted element, and `node` is empty.指向被插入的元素，且 `node` 为空。